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6125-24-2

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6125-24-2 Usage

General Description

1-(Phenyl) 2-nitroethane is a chemical compound with the molecular formula C8H9NO2. It is an organic nitro compound that consists of a phenyl group attached to a 2-nitro ethane moiety. This chemical is commonly used in the field of organic synthesis and pharmaceutical research as a precursor and intermediate for the synthesis of various compounds including drugs, agrochemicals, and other organic molecules. It is important to handle 1-(phenyl) 2-nitroethane with care as it is a potentially hazardous chemical and should only be used by trained professionals in a controlled laboratory setting.

Check Digit Verification of cas no

The CAS Registry Mumber 6125-24-2 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 6,1,2 and 5 respectively; the second part has 2 digits, 2 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 6125-24:
(6*6)+(5*1)+(4*2)+(3*5)+(2*2)+(1*4)=72
72 % 10 = 2
So 6125-24-2 is a valid CAS Registry Number.
InChI:InChI=1/C8H9NO2/c10-9(11)7-6-8-4-2-1-3-5-8/h1-5H,6-7H2

6125-24-2SDS

SAFETY DATA SHEETS

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

Version: 1.0

Creation Date: Aug 17, 2017

Revision Date: Aug 17, 2017

1.Identification

1.1 GHS Product identifier

Product name (2-Nitroethyl)benzene

1.2 Other means of identification

Product number -
Other names 2-nitroethylbenzene

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:6125-24-2 SDS

6125-24-2Synthetic route

(2-nitroethenyl)benzene
102-96-5

(2-nitroethenyl)benzene

2-Phenylnitroethane
6125-24-2

2-Phenylnitroethane

Conditions
ConditionsYield
With polymer-bound NADH (2a)100%
With magnesium(II) perchlorate; "grafted NADH model" reagent In acetonitrile; benzene at 80℃; for 120h;100%
With tri(1-naphthyl)phosphonium tris(pentafluorophenyl)borohydride In dichloromethane-d2 for 12h; Reagent/catalyst; Glovebox; Sealed tube;100%
nitrostyrene
5153-67-3

nitrostyrene

2-Phenylnitroethane
6125-24-2

2-Phenylnitroethane

Conditions
ConditionsYield
With magnesium(II) perchlorate; model of NADH grafted on silica matrix In acetonitrile at 65℃; for 120h;100%
With sodium tetrahydroborate; silica gel In chloroform; isopropyl alcohol at 0 - 23℃; for 1.33333h; Inert atmosphere;99%
With hydrogen; tris(triphenylphosphine)rhodium(l) chloride In benzene at 50℃; under 2585.81 Torr; for 14h;98%
nitrostyrene
5153-67-3

nitrostyrene

5-carbamoyl thieno<2,3-b>pyridine
117390-40-6

5-carbamoyl thieno<2,3-b>pyridine

bromo-8 octyl dimethylchlorosilane
125056-17-9

bromo-8 octyl dimethylchlorosilane

2-Phenylnitroethane
6125-24-2

2-Phenylnitroethane

Conditions
ConditionsYield
With magnesium(II) perchlorate; silice (Merck Kieselgel Art.:7734) Product distribution; multistep reaction; 1.) grafting on a silica matrix, reflux, in toluene, 12 h, 2.) reflux, toluene, 5 days. 3.) acetonitrile, 65 deg C, 5 days; reagent quqntity, reaction time varied;100%
2-Phenylnitroethane
6125-24-2

2-Phenylnitroethane

Conditions
ConditionsYield
With tri-n-butyl-tin hydride In water at 80℃; for 0.166667h; Microwave irradiation; Green chemistry;96%
(i) Ac2O, H2SO4, (ii) NaBH4, DMSO; Multistep reaction;
Multi-step reaction with 3 steps
1: pyridine / 2 h / Ambient temperature
2: sodium carbonate / benzene / 5 h / Heating
3: 84 percent / 3,5-bis(ethoxycarbonyl)-2,6-dimethyl-1,4-dihydropyridine, silica gel / benzene / 0.5 h / Heating
View Scheme
Multi-step reaction with 2 steps
1: hydrogenchloride / water
2: sodium tetrahydroborate; silica gel / chloroform; isopropyl alcohol
View Scheme
nitrostyrene
5153-67-3

nitrostyrene

1,2-diamino-benzene
95-54-5

1,2-diamino-benzene

2-Phenylnitroethane
6125-24-2

2-Phenylnitroethane

Conditions
ConditionsYield
With benzaldehyde95%
With benzaldehyde95%
nitrostyrene
5153-67-3

nitrostyrene

A

1,3-dinitro-2,4-diphenyl-butane
101280-71-1

1,3-dinitro-2,4-diphenyl-butane

B

2-Phenylnitroethane
6125-24-2

2-Phenylnitroethane

Conditions
ConditionsYield
With methanol; sodium tetrahydroborate In water at 25℃; for 1h;A 1.92 %Spectr.
B 92.7%
C14H23NO2Si
1393099-04-1

C14H23NO2Si

2-Phenylnitroethane
6125-24-2

2-Phenylnitroethane

Conditions
ConditionsYield
With sodium cyanide; magnesium(II) perchlorate In dichloromethane; N,N-dimethyl-formamide at 20℃; for 2h;72%
<2-nitro-2-(phenylsulfonyl)ethyl>-benzene
74737-94-3

<2-nitro-2-(phenylsulfonyl)ethyl>-benzene

2-Phenylnitroethane
6125-24-2

2-Phenylnitroethane

Conditions
ConditionsYield
With 1-Benzyl-1,4-dihydronicotinamide In benzene for 42h; Irradiation;62%
With sodium dithionite; potassium carbonate; 1,1′-dioctyl-4,4′-bipyridinium In dichloromethane; water at 35℃; for 3h;62%
With sodium dithionite; potassium carbonate; 1,1′-dioctyl-4,4′-bipyridinium In dichloromethane; water at 35℃; for 3h; other α-nitro sulfones; other reaction conditions; also without viologen;62%
2-phenethyl iodide
17376-04-4

2-phenethyl iodide

2-Phenylnitroethane
6125-24-2

2-Phenylnitroethane

Conditions
ConditionsYield
With silver(I) nitrite In water at 60℃; for 1.5h; Darkness;60%
With silver(I) nitrite; diethyl ether
nitromethane
75-52-5

nitromethane

N-benzyl-2,4,6-triphenylpyridinium tetrafluoroborate
66310-10-9

N-benzyl-2,4,6-triphenylpyridinium tetrafluoroborate

A

2-Phenylnitroethane
6125-24-2

2-Phenylnitroethane

B

2,4,6-triphenylpyridine
580-35-8

2,4,6-triphenylpyridine

Conditions
ConditionsYield
With sodium hydride In methanol; dimethyl sulfoxide at 25℃; for 2h;A 58%
B n/a
sodium nitromethane
25854-38-0

sodium nitromethane

N-benzyl-2,4,6-triphenylpyridinium tetrafluoroborate
66310-10-9

N-benzyl-2,4,6-triphenylpyridinium tetrafluoroborate

A

2-Phenylnitroethane
6125-24-2

2-Phenylnitroethane

B

2,4,6-triphenylpyridine
580-35-8

2,4,6-triphenylpyridine

Conditions
ConditionsYield
In dimethyl sulfoxide at 25℃; for 2h; Rate constant; Mechanism;A 58%
B n/a
nitromethane
75-52-5

nitromethane

benzyl alcohol
100-51-6

benzyl alcohol

2-Phenylnitroethane
6125-24-2

2-Phenylnitroethane

Conditions
ConditionsYield
With 1,3-bis-(diphenylphosphino)propane; caesium carbonate; bis(1,5-cyclooctadiene)diiridium(I) dichloride In toluene at 150℃; for 72h;54%
2-nitroacetophenone
614-21-1

2-nitroacetophenone

A

2-Phenylnitroethane
6125-24-2

2-Phenylnitroethane

Conditions
ConditionsYield
With hydrogen; palladium on activated charcoal In hydrogenchloride; ethanol at 50℃; under 760 Torr;A 37%
B 14%
phenethylamine
64-04-0

phenethylamine

2-Phenylnitroethane
6125-24-2

2-Phenylnitroethane

Conditions
ConditionsYield
With 3-chloro-benzenecarboperoxoic acid In chloroform for 3h; Heating;30%
With 3-chloro-benzenecarboperoxoic acid In 1,2-dichloro-ethane Heating;
With 3-chloro-benzenecarboperoxoic acid
(2-nitroprop-1-enyl)benzene
705-60-2

(2-nitroprop-1-enyl)benzene

A

2-Phenylnitroethane
6125-24-2

2-Phenylnitroethane

B

1-phenyl-acetone
103-79-7

1-phenyl-acetone

Conditions
ConditionsYield
With tri-n-butyl-tin hydride; 3-chloro-benzenecarboperoxoic acid 1.) methylene chloride; Multistep reaction;A 10%
B n/a
(2-nitroethenyl)benzene
102-96-5

(2-nitroethenyl)benzene

A

2-Phenylnitroethane
6125-24-2

2-Phenylnitroethane

B

phenylacetaldehyde
122-78-1

phenylacetaldehyde

Conditions
ConditionsYield
With tri-n-butyl-tin hydride; ozone 1.) methylene chloride; Multistep reaction;A 10%
B n/a
(2-nitroethenyl)benzene
102-96-5

(2-nitroethenyl)benzene

A

1,3-dinitro-2,4-diphenyl-butane
101280-71-1

1,3-dinitro-2,4-diphenyl-butane

B

2-Phenylnitroethane
6125-24-2

2-Phenylnitroethane

Conditions
ConditionsYield
With sodium tetrahydroborate; ethanol
With tetrahydrofuran; diethyl ether; Trimethyl borate; sodium
With sodium hydroxide; sodium tetrahydroborate In ethanol at 0 - 5℃; for 2h;
With sodium hydroxide; sodium tetrahydroborate In water; acetonitrile at 0 - 5℃; for 2h;
nitromethane
75-52-5

nitromethane

N-benzyl-2,4,6-triphenylpyridinium tetrafluoroborate
66310-10-9

N-benzyl-2,4,6-triphenylpyridinium tetrafluoroborate

2-Phenylnitroethane
6125-24-2

2-Phenylnitroethane

Conditions
ConditionsYield
(i) NaOEt, EtOH, (ii) /BRN= 4225599/, DMSO; Multistep reaction;
1-benzyl-2,4,6-triphenylpyridinium cation
56524-87-9

1-benzyl-2,4,6-triphenylpyridinium cation

nitromethane anion
18137-96-7

nitromethane anion

A

2-Phenylnitroethane
6125-24-2

2-Phenylnitroethane

B

2,4,6-triphenylpyridine
580-35-8

2,4,6-triphenylpyridine

Conditions
ConditionsYield
In pentan-1-ol at 25℃; also in DMSO;
In pentan-1-ol at 25℃; Kinetics; Rate constant; Mechanism; also in DMSO;
(2-nitroethenyl)benzene
102-96-5

(2-nitroethenyl)benzene

A

1,3,5-triphenylbenzene
612-71-5

1,3,5-triphenylbenzene

B

2-Phenylnitroethane
6125-24-2

2-Phenylnitroethane

Conditions
ConditionsYield
With 1-Benzyl-1,4-dihydronicotinamide In acetonitrile at 80℃; Yield given;
acetic anhydride
108-24-7

acetic anhydride

C8H8NO2(1-)*Li(1+)

C8H8NO2(1-)*Li(1+)

A

2-Phenylnitroethane
6125-24-2

2-Phenylnitroethane

B

anhydride N-acetyl phenyl-acetohydroxamique-acetique
56523-74-1

anhydride N-acetyl phenyl-acetohydroxamique-acetique

Conditions
ConditionsYield
In diethyl ether for 65h;A 13 % Spectr.
B 82 % Spectr.
2-Phenylnitroethane
6125-24-2

2-Phenylnitroethane

phenethylamine
64-04-0

phenethylamine

Conditions
ConditionsYield
With samarium diiodide; water; isopropylamine In tetrahydrofuran99%
With trichlorosilane; N-ethyl-N,N-diisopropylamine In acetonitrile at 0 - 20℃; for 18h; Inert atmosphere;98%
With poly(p-aminostyrene)-palladium(II); hydrogen In N,N-dimethyl-formamide at 70℃; under 760 Torr; for 6h;91%
2-fluoro-ethane-1,1-diol
430-73-9

2-fluoro-ethane-1,1-diol

2-Phenylnitroethane
6125-24-2

2-Phenylnitroethane

1-Fluoro-2-hydroxy-3-nitro-4-phenylbutane
102195-94-8

1-Fluoro-2-hydroxy-3-nitro-4-phenylbutane

Conditions
ConditionsYield
potassium carbonate at 50℃; for 6h;95%
2,2-difluoro-ethane-1,1-diol
431-12-9

2,2-difluoro-ethane-1,1-diol

2-Phenylnitroethane
6125-24-2

2-Phenylnitroethane

1,1-Difluoro-3-nitro-4-phenyl-butan-2-ol
102195-93-7

1,1-Difluoro-3-nitro-4-phenyl-butan-2-ol

Conditions
ConditionsYield
potassium carbonate at 50℃; for 6h;95%
2,2,2-trifluoro-1,1-ethanediol
421-53-4

2,2,2-trifluoro-1,1-ethanediol

2-Phenylnitroethane
6125-24-2

2-Phenylnitroethane

3-nitro-4-phenyl-1,1,1-trifluorobutan-2-ol
102195-92-6

3-nitro-4-phenyl-1,1,1-trifluorobutan-2-ol

Conditions
ConditionsYield
potassium carbonate at 50℃; for 6h;95%
2-Phenylnitroethane
6125-24-2

2-Phenylnitroethane

phenylacetic acid
103-82-2

phenylacetic acid

Conditions
ConditionsYield
With acetic acid; sodium nitrite In dimethyl sulfoxide at 35℃; for 6h;95%
With acetic acid; sodium nitrite In water; dimethyl sulfoxide at 65℃;75%
With (S)-1-phenyl-ethylamine; sodium nitrite; isopentyl nitrite In N,N-dimethyl-formamide for 48h;
2-Phenylnitroethane
6125-24-2

2-Phenylnitroethane

N-benzylidenediphenylphosphinamide
98837-46-8

N-benzylidenediphenylphosphinamide

N-(2-nitro-1,3-diphenylpropyl)diphenylphosphinic amide

N-(2-nitro-1,3-diphenylpropyl)diphenylphosphinic amide

Conditions
ConditionsYield
N,N,N',N'-tetramethylguanidine at 20℃; for 26h; aza-Henry reaction;95%
2-Phenylnitroethane
6125-24-2

2-Phenylnitroethane

benzaldehyde N-boc imine
150884-50-7

benzaldehyde N-boc imine

tert-butyl (1R,2S)-2-nitro-1,3-diphenylpropylcarbamate

tert-butyl (1R,2S)-2-nitro-1,3-diphenylpropylcarbamate

Conditions
ConditionsYield
With N-((1R,2R)-2-(3-((1R,2R)-2-(dimethylamino)cyclohexyl)thioureido)-1,2-diphenylethyl)-3,5-bis(trifluoromethyl)benzenesulfonamide In acetonitrile at -20℃; Mannich reaction; Molecular sieve;95%
1-hexene
592-41-6

1-hexene

2-Phenylnitroethane
6125-24-2

2-Phenylnitroethane

3-Benzyl-5-butyl-4,5-dihydro-isoxazole

3-Benzyl-5-butyl-4,5-dihydro-isoxazole

Conditions
ConditionsYield
With triethylamine; 4,4'-diaminostilbene-2,2'-disulfonic acid In tetrahydrofuran at -30 - 50℃; for 2h; Product distribution; different dehydration reagents, solvents, reaction temperatures, times;91%
With triethylamine; 4,4'-diaminostilbene-2,2'-disulfonic acid In tetrahydrofuran at -30 - 50℃; for 2h;91%
With acetic acid; sodium nitrite In dimethyl sulfoxide at 35℃;72%
crotonic acid methyl ester
623-43-8

crotonic acid methyl ester

2-Phenylnitroethane
6125-24-2

2-Phenylnitroethane

methyl b-methyl-g-nitrobenzenepentanoate
89706-87-6

methyl b-methyl-g-nitrobenzenepentanoate

Conditions
ConditionsYield
With Aliquat 336; potassium carbonate Ambient temperature; Irradiation;91%
2-Phenylnitroethane
6125-24-2

2-Phenylnitroethane

N-[(4-methylbenzene-1-sulfonyl)(phenyl)methyl]formamide
37643-54-2

N-[(4-methylbenzene-1-sulfonyl)(phenyl)methyl]formamide

N-(2-nitro-1,3-diphenyl-propyl)-formamide

N-(2-nitro-1,3-diphenyl-propyl)-formamide

Conditions
ConditionsYield
With sodium hydride In tetrahydrofuran at 20℃; for 0.75h; aza-Henry reaction;90%
2-Phenylnitroethane
6125-24-2

2-Phenylnitroethane

4-methoxy-benzaldehyde
123-11-5

4-methoxy-benzaldehyde

1-methoxy-4-(2-nitro-3-phenyl-1-propenyl)benzene
1168207-82-6

1-methoxy-4-(2-nitro-3-phenyl-1-propenyl)benzene

Conditions
ConditionsYield
With N-butylamine In toluene for 12h; Henry reaction; Reflux;90%
2-hydrazinyl-4-methylquinoline
21703-52-6

2-hydrazinyl-4-methylquinoline

2-Phenylnitroethane
6125-24-2

2-Phenylnitroethane

1-benzyl-5-methyl-[1,2,4]triazolo[4,3-a]quinoline

1-benzyl-5-methyl-[1,2,4]triazolo[4,3-a]quinoline

Conditions
ConditionsYield
Stage #1: 2-Phenylnitroethane With polyphosphoric acid at 130℃;
Stage #2: 2-hydrazinyl-4-methylquinoline at 130℃;
90%
2-Phenylnitroethane
6125-24-2

2-Phenylnitroethane

1-fluoro-1-nitro-2-phenylethane
110683-92-6

1-fluoro-1-nitro-2-phenylethane

Conditions
ConditionsYield
Stage #1: 2-Phenylnitroethane With tetra(n-butyl)ammonium hydroxide In acetonitrile at 25℃;
Stage #2: With Selectfluor In water; acetonitrile
89%
Stage #1: 2-Phenylnitroethane With potassium hydroxide In water; acetonitrile at -15 - -5℃;
Stage #2: With Selectfluor In dichloromethane; water; acetonitrile at -15 - 10℃; Further stages.;
83%
Stage #1: 2-Phenylnitroethane With potassium hydroxide In water; acetonitrile at 0℃; for 1h;
Stage #2: With Selectfluor In dichloromethane; water; acetonitrile at -17 - 10℃; for 0.166667h;
80%
2-Phenylnitroethane
6125-24-2

2-Phenylnitroethane

N-[(4-nitro-phenyl)-(toluene-4-sulfonyl)-methyl]-formamide

N-[(4-nitro-phenyl)-(toluene-4-sulfonyl)-methyl]-formamide

N-[2-nitro-1-(4-nitro-phenyl)-3-phenyl-propyl]-formamide

N-[2-nitro-1-(4-nitro-phenyl)-3-phenyl-propyl]-formamide

Conditions
ConditionsYield
With sodium hydride In tetrahydrofuran at 20℃; for 0.75h; aza-Henry reaction;89%
(2-nitroethenyl)benzene
102-96-5

(2-nitroethenyl)benzene

2-Phenylnitroethane
6125-24-2

2-Phenylnitroethane

((2R,3R)-1,3-dinitrobutane-1,3-diyl)dibenzene
1127388-74-2

((2R,3R)-1,3-dinitrobutane-1,3-diyl)dibenzene

Conditions
ConditionsYield
With N-((1R,2R)-2-(3-((1R,2R)-2-(dimethylamino)cyclohexyl)thioureido)-1,2-diphenylethyl)-3,5-bis(trifluoromethyl)benzenesulfonamide In dichloromethane at -30℃; Michael condensation; optical yield given as %ee; enantioselective reaction;89%
3,5-Dibromosalicylaldehyde
90-59-5

3,5-Dibromosalicylaldehyde

2-Phenylnitroethane
6125-24-2

2-Phenylnitroethane

2,4-dibromo-6-[(Z)-2-nitro-3-phenylprop-1-en-1-yl]phenol

2,4-dibromo-6-[(Z)-2-nitro-3-phenylprop-1-en-1-yl]phenol

Conditions
ConditionsYield
With potassium fluoride; N,N-dimethylammonium chloride In toluene at 110℃; for 12h;89%
2-Phenylnitroethane
6125-24-2

2-Phenylnitroethane

(S)-2-Dibenzylamino-4-nitro-1,5-diphenyl-pentan-3-ol
501668-70-8

(S)-2-Dibenzylamino-4-nitro-1,5-diphenyl-pentan-3-ol

Conditions
ConditionsYield
With tetrabutyl ammonium fluoride In tetrahydrofuran at 0℃; for 0.333333h; Henry reaction;87%
2-Phenylnitroethane
6125-24-2

2-Phenylnitroethane

trans-4-decenal
65405-70-1

trans-4-decenal

(E)-2-nitro-1-phenyl-6-dodecen-3-ol

(E)-2-nitro-1-phenyl-6-dodecen-3-ol

Conditions
ConditionsYield
With cetyltrimethylammonium hydroxide at 20℃; for 3h; Henry reaction;86%
2-Phenylnitroethane
6125-24-2

2-Phenylnitroethane

benzaldehyde
100-52-7

benzaldehyde

(2-nitroprop-1-ene-1,3-diyl)dibenzene
58497-32-8

(2-nitroprop-1-ene-1,3-diyl)dibenzene

Conditions
ConditionsYield
With N-butylamine In toluene for 9.5h; Reflux;85%
With ammonium acetate In acetic acid
With methylamine hydrochloride; potassium acetate; trimethyl orthoformate In methanol for 16h; Heating;
With hydrogenchloride; potassium fluoride; dimethyl amine In water; toluene for 24h; Reflux; Dean-Stark;
2-Phenylnitroethane
6125-24-2

2-Phenylnitroethane

methyl b-methyl-g-nitrobenzenepentanoate
89706-87-6

methyl b-methyl-g-nitrobenzenepentanoate

Conditions
ConditionsYield
With 1,8-diazabicyclo[5.4.0]undec-7-ene In acetonitrile for 22h; Ambient temperature;85%

6125-24-2Relevant articles and documents

Iridium-catalyzed highly chemoselective and efficient reduction of nitroalkenes to nitroalkanes in water

Chen, Yang,Liu, Changmeng,Xu, Dong,Xu, Jiaxi,Yang, Zhanhui

supporting information, p. 6050 - 6058 (2021/08/23)

An iridium-catalyzed highly chemoselective and efficient transfer hydrogenation reduction of structurally diverse nitroalkenes was realized at very low catalyst loading (S/C = up to 10000 or 20?000), using formic acid or sodium formate as a traceless hydride donor in water. Excellent functionality tolerance is also observed. The turnover number and turnover frequency of the catalyst reach as high as 18?600 and 19?200 h-1, respectively. An inert atmosphere protection is not required. The reactivities of nitroalkenes are dependent on their substitution pattern, and the pH value is a key factor to accomplish the complete conversion and excellent chemoselectivity. Purification of products is achieved by simple extraction without column chromatography. The reduction procedure is facilely amplified to 10 g scale at 10?000 S/C ratio. The potential of this green reduction in enantioselective hydrogenation has been demonstrated.

Metal-Free Deoxygenation of Chiral Nitroalkanes: An Easy Entry to α-Substituted Enantiomerically Enriched Nitriles

Pirola, Margherita,Faverio, Chiara,Orlandi, Manuel,Benaglia, Maurizio

supporting information, p. 10247 - 10250 (2021/06/18)

A metal-free, mild and chemodivergent transformation involving nitroalkanes has been developed. Under optimized reaction conditions, in the presence of trichlorosilane and a tertiary amine, aliphatic nitroalkanes were selectively converted into amines or nitriles. Furthermore, when chiral β-substituted nitro compounds were reacted, the stereochemical integrity of the stereocenter was maintained and α-functionalized nitriles were obtained with no loss of enantiomeric excess. The methodology was successfully applied to the synthesis of chiral β-cyano esters, α-aryl alkylnitriles, and TBS-protected cyanohydrins, including direct precursors of four active pharmaceutical ingredients (ibuprofen, tembamide, aegeline and denopamine).

Nitroalkene reduction in deep eutectic solvents promoted by BH3NH3

Benaglia, Maurizio,Boselli, Monica Fiorenza,Faverio, Chiara,Gonzalez, Patricia Camarero,Puglisi, Alessandra

supporting information, p. 1041 - 1047 (2021/05/17)

Deep eutectic solvents (DESs) have gained attention as green and safe as well as economically and environmentally sustainable alternative to the traditional organic solvents. Here, we report the combination of an atom-economic, very convenient and inexpensive reagent, such as BH3NH3, with bio-based eutectic mixtures as biorenewable solvents in the synthesis of nitroalkanes, valuable precursors of amines. A variety of nitrostyrenes and alkyl-substituted nitroalkenes, including α- and β-substituted nitroolefins, were chemoselectively reduced to the nitroalkanes, with an atom economy-oriented, simple and convenient experimental procedure. A reliable and easily reproducible protocol to isolate the product without the use of any organic solvent was established, and the recyclability of the DES mixture was successfully investigated.

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