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536-17-4

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536-17-4 Usage

Chemical Properties

red fluffy powder

Uses

Different sources of media describe the Uses of 536-17-4 differently. You can refer to the following data:
1. As 0.03% solution in acetone for detection of silver, mercury, copper, gold, platinum and palladium ions.
2. Applied for the detection of Ag, Au, Cu, Hg, Pd, Pt, alkaloids, antipyrin, indican, sulfonamide, urobilinogen. Reagent for the determination of silver, palladium, mercury and gold. Also used in the photometric determination of auto radiograms.
3. 5-(4-Dimethylaminobenzylidene)rhodanine is a silver-specific dye that is used to quantitate the autoradiographic deposition of silver onto X-ray film in a colorimetric assay. 5-(4-Dimethylaminobenzylidene)rhodanine is used as an indicator in the titration of cyanide solution with silver nitrate solution.

Safety Profile

Poison by intraperitoneal route. When heated to decomposition it emits very toxic fumes of NOx and SOx

Check Digit Verification of cas no

The CAS Registry Mumber 536-17-4 includes 6 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 3 digits, 5,3 and 6 respectively; the second part has 2 digits, 1 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 536-17:
(5*5)+(4*3)+(3*6)+(2*1)+(1*7)=64
64 % 10 = 4
So 536-17-4 is a valid CAS Registry Number.
InChI:InChI=1/C12H12N2OS2/c1-14(2)9-5-3-8(4-6-9)7-10-11(15)13-12(16)17-10/h3-7H,1-2H3,(H,13,15,16)

536-17-4 Well-known Company Product Price

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  • (Code)Product description
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  • Detail
  • Alfa Aesar

  • (A17152)  5-(4-Dimethylaminobenzylidene)rhodanine 98%   

  • 536-17-4

  • 5g

  • 315.0CNY

  • Detail
  • Alfa Aesar

  • (A17152)  5-(4-Dimethylaminobenzylidene)rhodanine 98%   

  • 536-17-4

  • 10g

  • 534.0CNY

  • Detail
  • Alfa Aesar

  • (A17152)  5-(4-Dimethylaminobenzylidene)rhodanine 98%   

  • 536-17-4

  • 25g

  • 1133.0CNY

  • Detail
  • Sigma-Aldrich

  • (39090)  5-(4-Dimethylaminobenzylidene)rhodanine  for TLC derivatization, ≥98.0%

  • 536-17-4

  • 39090-10G

  • 838.89CNY

  • Detail
  • Aldrich

  • (114588)  5-(4-Dimethylaminobenzylidene)rhodanine  97%

  • 536-17-4

  • 114588-10G

  • 1,132.56CNY

  • Detail
  • Aldrich

  • (114588)  5-(4-Dimethylaminobenzylidene)rhodanine  97%

  • 536-17-4

  • 114588-25G

  • 1,726.92CNY

  • Detail

536-17-4SDS

SAFETY DATA SHEETS

According to Globally Harmonized System of Classification and Labelling of Chemicals (GHS) - Sixth revised edition

Version: 1.0

Creation Date: Aug 13, 2017

Revision Date: Aug 13, 2017

1.Identification

1.1 GHS Product identifier

Product name 5-(4-Dimethylaminobenzylidene)rhodanine

1.2 Other means of identification

Product number -
Other names 4-Thiazolidinone, 5-[[4-(dimethylamino)phenyl]methylene]-2-thioxo-

1.3 Recommended use of the chemical and restrictions on use

Identified uses For industry use only.
Uses advised against no data available

1.4 Supplier's details

1.5 Emergency phone number

Emergency phone number -
Service hours Monday to Friday, 9am-5pm (Standard time zone: UTC/GMT +8 hours).

More Details:536-17-4 SDS

536-17-4Synthetic route

2-thioxo-4-thiazolidinone
141-84-4

2-thioxo-4-thiazolidinone

4-dimethylamino-benzaldehyde
100-10-7

4-dimethylamino-benzaldehyde

5-(4-dimethylaminobenzylidene)rhodanine
536-17-4

5-(4-dimethylaminobenzylidene)rhodanine

Conditions
ConditionsYield
With thiourea; urea at 110℃; for 0.0833333h; Knoevenagel condensation; Neat (no solvent);96%
With (2-hydroxyethyl)ammonium formate at 20℃; for 0.05h; Knoevenagel condensation; neat (no solvent);90%
With sodium acetate; acetic acid at 120℃;90%
2-thioxo-4-thiazolidinone
141-84-4

2-thioxo-4-thiazolidinone

N,N-dimethyl-4-((phenylimino)methyl)aniline
889-37-2, 1613-99-6

N,N-dimethyl-4-((phenylimino)methyl)aniline

5-(4-dimethylaminobenzylidene)rhodanine
536-17-4

5-(4-dimethylaminobenzylidene)rhodanine

Conditions
ConditionsYield
In acetic acid
3-Benzoyl-5-[1-(4-dimethylamino-phenyl)-meth-(Z)-ylidene]-2-thioxo-thiazolidin-4-one

3-Benzoyl-5-[1-(4-dimethylamino-phenyl)-meth-(Z)-ylidene]-2-thioxo-thiazolidin-4-one

A

5-(4-dimethylaminobenzylidene)rhodanine
536-17-4

5-(4-dimethylaminobenzylidene)rhodanine

B

benzoic acid
65-85-0

benzoic acid

Conditions
ConditionsYield
With hydrogen cation In water
C12H11N2OS2(1-)*Na(1+)

C12H11N2OS2(1-)*Na(1+)

5-(4-dimethylaminobenzylidene)rhodanine
536-17-4

5-(4-dimethylaminobenzylidene)rhodanine

Conditions
ConditionsYield
Multi-step reaction with 2 steps
1: H+ / H2O
View Scheme
Tetraethyl methylenediphosphonate
1660-94-2

Tetraethyl methylenediphosphonate

5-(4-dimethylaminobenzylidene)rhodanine
536-17-4

5-(4-dimethylaminobenzylidene)rhodanine

[1-(diethoxy-phosphoryl)-2-(4-dimethylamino-phenyl)-2-(4-oxo-2-thioxo-thiazolidin-5-yl)-ethyl]-phosphonic acid diethyl ester
634915-49-4

[1-(diethoxy-phosphoryl)-2-(4-dimethylamino-phenyl)-2-(4-oxo-2-thioxo-thiazolidin-5-yl)-ethyl]-phosphonic acid diethyl ester

Conditions
ConditionsYield
With sodium ethanolate In ethanol; N,N-dimethyl-formamide for 0.133333h; Michael addition reaction; microwave irradiation;87%
5-(4-dimethylaminobenzylidene)rhodanine
536-17-4

5-(4-dimethylaminobenzylidene)rhodanine

molybdenum hexacarbonyl
13939-06-5, 199620-15-0

molybdenum hexacarbonyl

Mo(CO)5[5-(4-dimethylaminobenzylidene)rhodanine]
952576-76-0

Mo(CO)5[5-(4-dimethylaminobenzylidene)rhodanine]

Conditions
ConditionsYield
In tetrahydrofuran Irradiation (UV/VIS); Mo complex and rhodanine deriv. dissolved in THF; soln. irradiated for 2h using 400 W medium pressure Hg lamp; solvent evapd. under vac.; solid extd. with CH2Cl2; petroleum ether added; ppt. washed with petroleum ether; dried under vac.; unreacted Cr complex sublimed out in vac.; elem. anal.;82%
formaldehyd
50-00-0

formaldehyd

5-(4-dimethylaminobenzylidene)rhodanine
536-17-4

5-(4-dimethylaminobenzylidene)rhodanine

4-amino-N,N-diethylbenzamide
51207-85-3

4-amino-N,N-diethylbenzamide

5-(p-Dimethylaminobenzylidene)-3--4-oxo-thiazolidine-2-thione
104183-56-4

5-(p-Dimethylaminobenzylidene)-3--4-oxo-thiazolidine-2-thione

Conditions
ConditionsYield
In ethanol; water Heating;81%
5-(4-dimethylaminobenzylidene)rhodanine
536-17-4

5-(4-dimethylaminobenzylidene)rhodanine

N-(4-methoxyphenyl)-2-chloroacetamide
22303-36-2

N-(4-methoxyphenyl)-2-chloroacetamide

Z-N-(4-methoxyphenyl)-2-(5-(4-(dimethylamino)benzylidene)-4-oxo-2-thioxothiazolidin-3-yl)acetamide

Z-N-(4-methoxyphenyl)-2-(5-(4-(dimethylamino)benzylidene)-4-oxo-2-thioxothiazolidin-3-yl)acetamide

Conditions
ConditionsYield
With sodium hydrogencarbonate; sodium iodide In N,N-dimethyl-formamide at 20℃; for 36h;80%
formaldehyd
50-00-0

formaldehyd

4-(N-piperidinocarbonyl)aniline
42837-37-6

4-(N-piperidinocarbonyl)aniline

5-(4-dimethylaminobenzylidene)rhodanine
536-17-4

5-(4-dimethylaminobenzylidene)rhodanine

5-(p-Dimethylaminobenzylidene)-3--4-oxo-thiazolidine-2-thione
104183-54-2

5-(p-Dimethylaminobenzylidene)-3--4-oxo-thiazolidine-2-thione

Conditions
ConditionsYield
In ethanol; water Heating;78%
formaldehyd
50-00-0

formaldehyd

5-(4-dimethylaminobenzylidene)rhodanine
536-17-4

5-(4-dimethylaminobenzylidene)rhodanine

p-(4-Phenylpiperazin-1-ylcarbamoyl)aniline
79834-39-2

p-(4-Phenylpiperazin-1-ylcarbamoyl)aniline

5-(p-Dimethylaminobenzylidene)-3--4-oxo-thiazolidine-2-thione
104183-53-1

5-(p-Dimethylaminobenzylidene)-3--4-oxo-thiazolidine-2-thione

Conditions
ConditionsYield
In ethanol; water Heating;74%
5-(4-dimethylaminobenzylidene)rhodanine
536-17-4

5-(4-dimethylaminobenzylidene)rhodanine

chromium(0) hexacarbonyl
199620-14-9, 13007-92-6

chromium(0) hexacarbonyl

Cr(CO)5[5-(4-dimethylaminobenzylidene)rhodanine]
952576-75-9

Cr(CO)5[5-(4-dimethylaminobenzylidene)rhodanine]

Conditions
ConditionsYield
In tetrahydrofuran Irradiation (UV/VIS); Cr complex and rhodanine deriv. dissolved in THF; soln. irradiated for 2h using 400 W medium pressure Hg lamp; solvent evapd. under vac.; solid extd. with CH2Cl2; petroleum ether added; ppt. washed with petroleum ether; dried under vac.; unreacted Cr complex sublimed out in vac.; elem. anal.;73%
5-(4-dimethylaminobenzylidene)rhodanine
536-17-4

5-(4-dimethylaminobenzylidene)rhodanine

2-chloro-N-(4-chlorophenyl)acetamide
3289-75-6

2-chloro-N-(4-chlorophenyl)acetamide

Z-N-(4-chlorophenyl)-2-(5-(4-(dimethylamino)benzylidene)-4-oxo-2-thioxothiazolidin-3-yl)acetamide

Z-N-(4-chlorophenyl)-2-(5-(4-(dimethylamino)benzylidene)-4-oxo-2-thioxothiazolidin-3-yl)acetamide

Conditions
ConditionsYield
With sodium hydrogencarbonate; sodium iodide In N,N-dimethyl-formamide at 20℃; for 36h;73%
formaldehyd
50-00-0

formaldehyd

5-(4-dimethylaminobenzylidene)rhodanine
536-17-4

5-(4-dimethylaminobenzylidene)rhodanine

(4-amino-phenyl)-morpholin-4-yl-methanone
51207-86-4

(4-amino-phenyl)-morpholin-4-yl-methanone

5-(p-Dimethylaminobenzylidene)-3--4-oxo-thiazolidine-2-thione
104183-55-3

5-(p-Dimethylaminobenzylidene)-3--4-oxo-thiazolidine-2-thione

Conditions
ConditionsYield
In ethanol; water Heating;72%
5-(4-dimethylaminobenzylidene)rhodanine
536-17-4

5-(4-dimethylaminobenzylidene)rhodanine

N-(4-bromophenyl)-2-chloroacetamide
2564-02-5

N-(4-bromophenyl)-2-chloroacetamide

Z-N-(4-bromophenyl)-2-(5-(4-(dimethylamino)benzylidene)-4-oxo-2-thioxothiazolidin-3-yl)acetamide

Z-N-(4-bromophenyl)-2-(5-(4-(dimethylamino)benzylidene)-4-oxo-2-thioxothiazolidin-3-yl)acetamide

Conditions
ConditionsYield
With sodium hydrogencarbonate; sodium iodide In N,N-dimethyl-formamide at 20℃; for 36h;71%
tungsten hexacarbonyl
14040-11-0

tungsten hexacarbonyl

5-(4-dimethylaminobenzylidene)rhodanine
536-17-4

5-(4-dimethylaminobenzylidene)rhodanine

W(CO)5[5-(4-dimethylaminobenzylidene)rhodanine]
952576-77-1

W(CO)5[5-(4-dimethylaminobenzylidene)rhodanine]

Conditions
ConditionsYield
In tetrahydrofuran Irradiation (UV/VIS); W complex and rhodanine deriv. dissolved in THF; soln. irradiated for 2 h using 400 W medium pressure Hg lamp; solvent evapd. under vac.; solid extd. with CH2Cl2; petroleum ether added; ppt. washed with petroleum ether; dried under vac.; unreacted Cr complex sublimed out in vac.; elem. anal.;70%
5-(4-dimethylaminobenzylidene)rhodanine
536-17-4

5-(4-dimethylaminobenzylidene)rhodanine

2-chloro-N-(2,4-dichlorophenyl)acetamide
6974-56-7

2-chloro-N-(2,4-dichlorophenyl)acetamide

Z-N-(2,4-dichlorophenyl)-2-(5-(4-(dimethylamino)benzylidene)-4-oxo-2-thioxothiazolidin-3-yl)acetamide

Z-N-(2,4-dichlorophenyl)-2-(5-(4-(dimethylamino)benzylidene)-4-oxo-2-thioxothiazolidin-3-yl)acetamide

Conditions
ConditionsYield
With sodium hydrogencarbonate; sodium iodide In N,N-dimethyl-formamide at 20℃; for 36h;70%
rhenium(I) pentacarbonyl bromide
14220-21-4

rhenium(I) pentacarbonyl bromide

5-(4-dimethylaminobenzylidene)rhodanine
536-17-4

5-(4-dimethylaminobenzylidene)rhodanine

cis-Re(CO)4[5-(4-dimethylaminobenzylidene)rhodanine]
952576-78-2

cis-Re(CO)4[5-(4-dimethylaminobenzylidene)rhodanine]

Conditions
ConditionsYield
In tetrahydrofuran Irradiation (UV/VIS); Re complex and rhodanine deriv. dissolved in THF; soln. irradiated for 2h using 400 W medium pressure Hg lamp; solvent evapd. under vac.; solid extd. with CH2Cl2; petroleum ether added; ppt. washed with petroleum ether; dried under vac.; unreacted Cr complex sublimed out in vac.; elem. anal.;68%
tetracarbonylnorbornadienchrom
12146-36-0

tetracarbonylnorbornadienchrom

5-(4-dimethylaminobenzylidene)rhodanine
536-17-4

5-(4-dimethylaminobenzylidene)rhodanine

cis-[(5-(4-dimethylaminobenzylidene)rhodanine)tetra-carbonylchromate(0)]
1123204-07-8

cis-[(5-(4-dimethylaminobenzylidene)rhodanine)tetra-carbonylchromate(0)]

Conditions
ConditionsYield
In tetrahydrofuran byproducts: norbornadiene; Irradiation (UV/VIS); Ar, equimol., a soln. of metal compd. irradiated for 1.5 h, cooled, N compd. added, stirred for 3 h; solvent evapd. (vac.), extd. (CH2Cl2). pptd. (petroleum ether), ppt. washed (petroleum ether), dried (vac.); elem. anal.;62%
(bicyclo[2.2.1]hepta-2,5-diene)tetracarbonylmolybdenum(0)
12146-37-1, 124717-04-0

(bicyclo[2.2.1]hepta-2,5-diene)tetracarbonylmolybdenum(0)

5-(4-dimethylaminobenzylidene)rhodanine
536-17-4

5-(4-dimethylaminobenzylidene)rhodanine

cis-[(5-(4-dimethylaminobenzylidene)rhodanine)tetra-carbonylmolybdate(0)]
1123204-08-9

cis-[(5-(4-dimethylaminobenzylidene)rhodanine)tetra-carbonylmolybdate(0)]

Conditions
ConditionsYield
In tetrahydrofuran byproducts: norbornadiene; Irradiation (UV/VIS); Ar, equimol., a soln. of metal compd. irradiated for 1.5 h, cooled, N compd. added, stirred for 3 h; solvent evapd. (vac.), extd. (CH2Cl2). pptd. (petroleum ether), ppt. washed (petroleum ether), dried (vac.); elem. anal.;54%
Methyl diethylphosphonoacetate
1067-74-9

Methyl diethylphosphonoacetate

5-(4-dimethylaminobenzylidene)rhodanine
536-17-4

5-(4-dimethylaminobenzylidene)rhodanine

{6-[1-(4-Dimethylamino-phenyl)-meth-(Z)-ylidene]-3,5-dioxo-tetrahydro-thiazolo[2,3-b]thiazol-2-yl}-phosphonic acid diethyl ester

{6-[1-(4-Dimethylamino-phenyl)-meth-(Z)-ylidene]-3,5-dioxo-tetrahydro-thiazolo[2,3-b]thiazol-2-yl}-phosphonic acid diethyl ester

Conditions
ConditionsYield
With sodium ethanolate In ethanol at 20℃; for 72h;52%
diethoxyphosphoryl-acetic acid ethyl ester
867-13-0

diethoxyphosphoryl-acetic acid ethyl ester

5-(4-dimethylaminobenzylidene)rhodanine
536-17-4

5-(4-dimethylaminobenzylidene)rhodanine

{6-[1-(4-Dimethylamino-phenyl)-meth-(Z)-ylidene]-3,5-dioxo-tetrahydro-thiazolo[2,3-b]thiazol-2-yl}-phosphonic acid diethyl ester

{6-[1-(4-Dimethylamino-phenyl)-meth-(Z)-ylidene]-3,5-dioxo-tetrahydro-thiazolo[2,3-b]thiazol-2-yl}-phosphonic acid diethyl ester

Conditions
ConditionsYield
With sodium ethanolate In ethanol at 20℃; for 72h;50%
5-(4-dimethylaminobenzylidene)rhodanine
536-17-4

5-(4-dimethylaminobenzylidene)rhodanine

Diethyl vinylphosphonate
682-30-4

Diethyl vinylphosphonate

A

5-(4'-dimethylamino-phenylmethylene)-2-(ethylthio)-1,3-thiazol-4-one
31982-65-7

5-(4'-dimethylamino-phenylmethylene)-2-(ethylthio)-1,3-thiazol-4-one

B

(2-{5-[1-(4-Dimethylamino-phenyl)-meth-(Z)-ylidene]-4-oxo-4,5-dihydro-thiazol-2-ylsulfanyl}-ethyl)-phosphonic acid diethyl ester

(2-{5-[1-(4-Dimethylamino-phenyl)-meth-(Z)-ylidene]-4-oxo-4,5-dihydro-thiazol-2-ylsulfanyl}-ethyl)-phosphonic acid diethyl ester

Conditions
ConditionsYield
With lithium hydride In N,N-dimethyl-formamide for 12h; Heating;A 28%
B 44%
diethyl 1-cyanomethylphosphonate
2537-48-6

diethyl 1-cyanomethylphosphonate

5-(4-dimethylaminobenzylidene)rhodanine
536-17-4

5-(4-dimethylaminobenzylidene)rhodanine

A

2-[5-(4-oxo-2-thioxo-2,4H-1,3-thiazolo)]-1-cyano-2-(dimethylaminophenyl)-ethan-1-yl-phosphonic acid diethyl ester

2-[5-(4-oxo-2-thioxo-2,4H-1,3-thiazolo)]-1-cyano-2-(dimethylaminophenyl)-ethan-1-yl-phosphonic acid diethyl ester

B

{3-Amino-6-[1-(4-dimethylamino-phenyl)-meth-(Z)-ylidene]-5-oxo-5,6-dihydro-thiazolo[2,3-b]thiazol-2-yl}-phosphonic acid diethyl ester

{3-Amino-6-[1-(4-dimethylamino-phenyl)-meth-(Z)-ylidene]-5-oxo-5,6-dihydro-thiazolo[2,3-b]thiazol-2-yl}-phosphonic acid diethyl ester

Conditions
ConditionsYield
Stage #1: diethyl 1-cyanomethylphosphonate With lithium hydride In N,N-dimethyl-formamide for 1h; Heating;
Stage #2: 5-(4-dimethylaminobenzylidene)rhodanine In N,N-dimethyl-formamide Heating;
A 30%
B 33%
diethoxyphosphoryl-acetic acid ethyl ester
867-13-0

diethoxyphosphoryl-acetic acid ethyl ester

5-(4-dimethylaminobenzylidene)rhodanine
536-17-4

5-(4-dimethylaminobenzylidene)rhodanine

A

diethyl 2-[5-(4-dimethylaminophenylmethylene)-4-oxo-4H-1,3-thiazol-2-yl]-1,2-ethylenedicarboxylate

diethyl 2-[5-(4-dimethylaminophenylmethylene)-4-oxo-4H-1,3-thiazol-2-yl]-1,2-ethylenedicarboxylate

B

{6-[1-(4-Dimethylamino-phenyl)-meth-(Z)-ylidene]-3,5-dioxo-tetrahydro-thiazolo[2,3-b]thiazol-2-yl}-phosphonic acid diethyl ester

{6-[1-(4-Dimethylamino-phenyl)-meth-(Z)-ylidene]-3,5-dioxo-tetrahydro-thiazolo[2,3-b]thiazol-2-yl}-phosphonic acid diethyl ester

C

[7-(4-dimethylamino-phenyl)-3-ethyl-5-oxo-2-thioxo-3,5,6,7-tetrahydro-2H-pyrano[2,3-d]thiazol-6-yl]-phosphonic acid diethyl ester
762292-91-1

[7-(4-dimethylamino-phenyl)-3-ethyl-5-oxo-2-thioxo-3,5,6,7-tetrahydro-2H-pyrano[2,3-d]thiazol-6-yl]-phosphonic acid diethyl ester

Conditions
ConditionsYield
With sodium ethanolate In ethanol for 24h; Heating;A 28%
B 14%
C 30%
Methyl diethylphosphonoacetate
1067-74-9

Methyl diethylphosphonoacetate

5-(4-dimethylaminobenzylidene)rhodanine
536-17-4

5-(4-dimethylaminobenzylidene)rhodanine

A

dimethyl 2-[5-(4-dimethylaminophenylmethylene)-4-oxo-4H-1,3-thiazol-2-yl]-1,2-ethylenedicarboxylate

dimethyl 2-[5-(4-dimethylaminophenylmethylene)-4-oxo-4H-1,3-thiazol-2-yl]-1,2-ethylenedicarboxylate

B

{6-[1-(4-Dimethylamino-phenyl)-meth-(Z)-ylidene]-3,5-dioxo-tetrahydro-thiazolo[2,3-b]thiazol-2-yl}-phosphonic acid diethyl ester

{6-[1-(4-Dimethylamino-phenyl)-meth-(Z)-ylidene]-3,5-dioxo-tetrahydro-thiazolo[2,3-b]thiazol-2-yl}-phosphonic acid diethyl ester

C

[7-(4-dimethylamino-phenyl)-3-ethyl-5-oxo-2-thioxo-3,5,6,7-tetrahydro-2H-pyrano[2,3-d]thiazol-6-yl]-phosphonic acid diethyl ester
762292-91-1

[7-(4-dimethylamino-phenyl)-3-ethyl-5-oxo-2-thioxo-3,5,6,7-tetrahydro-2H-pyrano[2,3-d]thiazol-6-yl]-phosphonic acid diethyl ester

Conditions
ConditionsYield
With sodium ethanolate In ethanol for 24h; Heating;A 30%
B 13%
C 29%
Tetraethyl methylenediphosphonate
1660-94-2

Tetraethyl methylenediphosphonate

5-(4-dimethylaminobenzylidene)rhodanine
536-17-4

5-(4-dimethylaminobenzylidene)rhodanine

A

{5-[1-(4-Dimethylamino-phenyl)-meth-(Z)-ylidene]-4-oxo-4,5-dihydro-thiazol-2-ylmethyl}-phosphonic acid diethyl ester

{5-[1-(4-Dimethylamino-phenyl)-meth-(Z)-ylidene]-4-oxo-4,5-dihydro-thiazol-2-ylmethyl}-phosphonic acid diethyl ester

B

[1-(diethoxy-phosphoryl)-2-(4-dimethylamino-phenyl)-2-(4-oxo-2-thioxo-thiazolidin-5-yl)-ethyl]-phosphonic acid diethyl ester
634915-49-4

[1-(diethoxy-phosphoryl)-2-(4-dimethylamino-phenyl)-2-(4-oxo-2-thioxo-thiazolidin-5-yl)-ethyl]-phosphonic acid diethyl ester

Conditions
ConditionsYield
Stage #1: Tetraethyl methylenediphosphonate With sodium hydride In N,N-dimethyl-formamide at 0℃; for 1h;
Stage #2: 5-(4-dimethylaminobenzylidene)rhodanine In N,N-dimethyl-formamide at 20℃;
A 22%
B 28%
5-(4-dimethylaminobenzylidene)rhodanine
536-17-4

5-(4-dimethylaminobenzylidene)rhodanine

3-(4-dimethylamino-phenyl)-propionic acid amide
99981-54-1

3-(4-dimethylamino-phenyl)-propionic acid amide

Conditions
ConditionsYield
With methanol; nickel
5-(4-dimethylaminobenzylidene)rhodanine
536-17-4

5-(4-dimethylaminobenzylidene)rhodanine

3-(4-dimethylamino-phenyl)-2-thioxo-propionic acid
857205-41-5

3-(4-dimethylamino-phenyl)-2-thioxo-propionic acid

Conditions
ConditionsYield
With sodium hydroxide
5-(4-dimethylaminobenzylidene)rhodanine
536-17-4

5-(4-dimethylaminobenzylidene)rhodanine

A

5-(4-dimethylamino-benzylidene)-2-methylsulfanyl-thiazol-4-one
28996-10-3

5-(4-dimethylamino-benzylidene)-2-methylsulfanyl-thiazol-4-one

B

5-(4-dimethylamino-benzylidene)-3-methyl-2-thioxo-thiazolidin-4-one
23517-84-2

5-(4-dimethylamino-benzylidene)-3-methyl-2-thioxo-thiazolidin-4-one

Conditions
ConditionsYield
In ethanol
5-(4-dimethylaminobenzylidene)rhodanine
536-17-4

5-(4-dimethylaminobenzylidene)rhodanine

ethyl iodide
75-03-6

ethyl iodide

5-(4'-dimethylamino-phenylmethylene)-2-(ethylthio)-1,3-thiazol-4-one
31982-65-7

5-(4'-dimethylamino-phenylmethylene)-2-(ethylthio)-1,3-thiazol-4-one

Conditions
ConditionsYield
With triethylamine In 1,4-dioxane
formaldehyd
50-00-0

formaldehyd

5-(4-dimethylaminobenzylidene)rhodanine
536-17-4

5-(4-dimethylaminobenzylidene)rhodanine

N,N-bis(chloro-2-ethyl)amine
334-22-5

N,N-bis(chloro-2-ethyl)amine

3-{[bis-(2-chloro-ethyl)-amino]-methyl}-5-(4-dimethylamino-benzylidene)-2-thioxo-thiazolidin-4-one
7751-32-8

3-{[bis-(2-chloro-ethyl)-amino]-methyl}-5-(4-dimethylamino-benzylidene)-2-thioxo-thiazolidin-4-one

Conditions
ConditionsYield
In ethanol at 0 - 5℃;
5-(4-dimethylaminobenzylidene)rhodanine
536-17-4

5-(4-dimethylaminobenzylidene)rhodanine

5-(4-dimethylamino-benzylidene)-thiazolidine-2,4-dithione
4303-28-0

5-(4-dimethylamino-benzylidene)-thiazolidine-2,4-dithione

Conditions
ConditionsYield
With tetraphosphorus decasulfide In 1,4-dioxane for 0.5h; Heating;

536-17-4Relevant articles and documents

Synthesis, molecular modeling, selective aldose reductase inhibition and hypoglycemic activity of novel meglitinides

Salem, Manar G.,Abdel Aziz, Yasmine M.,Elewa, Marwa,Nafie, Mohamed S.,Elshihawy, Hosam A.,Said, Mohamed M.

, (2021/04/29)

In the present study, a novel generation of selective aldose reductase ALR2 inhibitors with significant hypoglycemic activities was designed and modulated based on rhodanine scaffold joined to an acetamide linker in between two lipophilic moieties. The synthesis of the novel compounds was accomplished throughout simple chemical pathways. Molecular docking was performed on B-cell membrane protein SUR1, aldehyde reductase ALR1 and aldose reductase ALR2 active sites. Compounds 10B, 11B, 12B, 15C, 16C, 26F and 27F displayed the highest hypoglycemic activities with 80.7, 85.2, 87, 82.3, 83.5, 81.4 and 85.3% reduction in blood glucose levels, respectively. They were more potent than the standard hypoglycemic agent repaglinide with 65.4% reduction in blood glucose level. Compounds 12B and 15C with IC50 0.29 and 0.35 μM were more potent than the standard ALR2 inhibitor epalrestat with IC50 0.40 μM. They were selective towards ALR2 over ALR1 134 and 116 folds, respectively. Molecular docking studies matched with the in-vitro and in-vivo results to elucidate the dual activities of both compounds 12B and 15C as potent antagonists for ALR2 over ALR1 and good agonists for the SUR1 protein.

Synthesis of 5-Alkylidene-2,4-thiazolidinediones and Rhodanines Promoted by Propylamino-functionalized Nano-structured SBA-15

Veisi, Hojat,Naeimi, Alireza,Maleki, Behrooz,Ashrafi, Samaneh Sedigh,Sedrpoushan, Alireza

, p. 1 - 7 (2015/07/28)

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Urea/thiourea catalyzed, solvent-free synthesis of 5-arylidenethiazolidine- 2,4-diones and 5-arylidene-2-thioxothiazolidin-4-ones

Shah, Sakshi,Singh, Baldev

experimental part, p. 5388 - 5391 (2012/09/22)

An efficient and organo-catalyzed method has been developed for the synthesis of 5-arylidenethiazolidine-2,4-diones and 5-arylidene-2- thioxothiazolidin-4-ones via Knoevenagel condensation of arylaldehydes 1 and 2,4-thiazolidinedione 2a/2-thioxothiazolidin-4-one 2b under mild conditions. Urea-adduct 4 and azomethine 5 also afford arylidene-products 3 by reacting with 2a-b via addition-elimination reaction. This protocol has the features of use of inexpensive, ecofriendly readily available, effective catalyst system viz. urea/thiourea, avoidance of volatile solvents, excellent yield and simple work-up procedure.

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