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20247-84-1

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Basic Information
CAS No.: 20247-84-1
Name: SUBERIC DIHYDRAZIDE
Article Data: 5
Molecular Structure:
Molecular Structure of 20247-84-1 (SUBERIC DIHYDRAZIDE)
Formula: C8H18 N4 O2
Molecular Weight: 202.257
Synonyms: Octanedioicacid, dihydrazide (9CI); Suberic acid, dihydrazide (6CI,8CI)
Density: 1.124g/cm3
Boiling Point: 510.9°C at 760 mmHg
Flash Point: 262.8°C
Hazard Symbols: R36/37/38:Irritating to eyes, respiratory system and skin.;
Risk Codes: 20/21/22
Safety:
Risk Statements 20/21/22
Safety Statements 36/37/39
PSA: 110.24000
LogP: 1.48920
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Synthetic route
1732-09-8

dimethyl subarate

20247-84-1

corkic acid dihydrazide

Conditions
ConditionsYield
With hydrazine hydrate In methanol at 20℃; for 16h;100%
With hydrazine hydrate In methanol85%
With hydrazine hydrate In di-isopropyl ether for 24h; Ambient temperature;57%
2050-23-9

diethyl suberate

20247-84-1

corkic acid dihydrazide

Conditions
ConditionsYield
With hydrazine hydrate
505-48-6

octane-1,8-dioic acid

20247-84-1

corkic acid dihydrazide

Conditions
ConditionsYield
Multi-step reaction with 2 steps
1: thionyl chloride / 12 h / 0 - 20 °C
2: hydrazine hydrate / methanol
View Scheme
20247-84-1

corkic acid dihydrazide

122-59-8

2-phenoxyacetic acid

858537-99-2

8-oxo-8-(N'-phenoxyacetyl-hydrazino)-octanoic acid N'-phenoxyacetyl-hydrazide

Conditions
ConditionsYield
With trichlorophosphate In acetonitrile Heating;36%
20247-84-1

corkic acid dihydrazide

7782-77-6

cis-nitrous acid

octanedioyl azide

20247-84-1

corkic acid dihydrazide

858538-33-7

C24H26N4O4

Conditions
ConditionsYield
Multi-step reaction with 2 steps
1: 36 percent / POCl3 / acetonitrile / Heating
2: 28 percent / POCl3 / acetonitrile / 7 h / Heating
View Scheme
20247-84-1

corkic acid dihydrazide

C38H40N6O2

Conditions
ConditionsYield
Multi-step reaction with 3 steps
1: 36 percent / POCl3 / acetonitrile / Heating
2: 28 percent / POCl3 / acetonitrile / 7 h / Heating
3: 27 percent / 30 h / 150 °C
View Scheme
20247-84-1

corkic acid dihydrazide

1201-45-2

Bis-(dimethylamino)-phenylboran

CO(CH2)6COB2N2(NH)2(C6H5)2

Conditions
ConditionsYield
In N,N-dimethyl-formamide byproducts: (CH3)2NH; under dry N2 at 153°C for 5 h; filtration, distn. of solvent at 50°C/2-3 Torr, drying under N2;
In N,N-dimethyl-formamide byproducts: (CH3)2NH; under dry N2 at 50°C for 18 h; filtration, distn. of solvent at 50°C/2-3 Torr, drying under N2;
20247-84-1

corkic acid dihydrazide

7758-99-8

copper(II) sulfate

{Cu((CH2)6(CONHNH2)2)}(2+)*SO4(2-)={Cu((CH2)6(CONHNH2)2)}SO4

Conditions
ConditionsYield
In sulfuric acid addn. of aq. dihydrazide-soln. with CuSO4 in aq. H2SO4, covering with a layer of ethanol, rubbing;; washing with hot H2O and 50% ethanol, drying in vac. over P2O5;;
20247-84-1

corkic acid dihydrazide

octane-1,8-diyl bis{13-O-[2,3,4,6-tetra-O-acetyl-β-D-glucopyranosyl-(1→2)-3,4,6-tri-O-acetyl-β-D-glucopyranosyl]-16-oxo-ent-kauran-19-oate}

A

113,1413,2713,4013-tetrakis[2,3,4,6-tetra-O-acetyl-β-D-glucopyranosyl-(1→2)-3,4,6-tri-O-acetyl-β-D-glucopyranosyloxy]-16,25,42,51-tetraoxa-2,3,12,13,28,29,38,39-octaaza-1,14,27,40(16,4α)-tetra(19-nor-ent-kaurana)cyclodopentacontaphane-116(2),1416(13),2716(28),4016(39)-tetraene-4,11,15,26,30,37,41,52-octaone

113,1413,2713,4013-tetrakis[2,3,4,6-tetra-O-acetyl-β-D-glucopyranosyl-(1→2)-3,4,6-tri-O-acetyl-β-D-glucopyranosyloxy]-16,25,42,51-tetraoxa-2,3,12,13,28,29,38,39-octaaza-1,14,27,40(16,4α)-tetra(19-nor-ent-kaurana)cyclodopentacontaphane-116(2),1416(13),2716(28),4016(39)-tetraene-4,11,15,26,30,37,41,52-octaone

B

113,1413-bis[2,3,4,6-tetra-O-acetyl-β-D-glucopyranosyl-(1→2)-3,4,6-tri-O-acetyl-β-D-glucopyranosyloxy]-16,25-dioxa-2,3,12,13-tetraaza-1,14(16,4)-di(19-nor-ent-kaurana)cyclohexacosaphane-116(2),1416(12)-diene-4,11,15,26-tetraone

Conditions
ConditionsYield
With trifluoroacetic acid In methanol at 20℃; for 24h; Overall yield = 80 %;
...Expand
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