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ChemicalBook--->CAS DataBase List--->870991-70-1

870991-70-1

870991-70-1 Structure

870991-70-1 Structure
IdentificationBack Directory
[Name]

(1R,2R)-1,2-BIS(2-HYDROXYPHENYL)ETHYLENEDIAMINE, 95%
[CAS]

870991-70-1
[Synonyms]

(R,R) Mother Diamine
(R,R) Diaminopharm Diamine
(R,R) Jik Chin Mother Diamine
2,2'-[(1R,2R)-1,2-Diaminoethylene]bisphenol
(R,R)-1,2-Bis(2-hydroxyphenyl)ethylenediamine
(1r,2r)-1,2-bis(2-hydroxyphenyl)-1,2-ethanediamine
(1R,2R)-1,2-Diamino-1,2-bis(2-hydroxyphenyl)ethane
2,2'-[(1R,2R)-1,2-Diamino-1,2-ethanediyl]bisphenol
(1R,2R)-1,2-Bis(2-hydroxyphenyl)ethane-1,2-diamine
(1R,2R)-1,2-Bis(2-hydroxyphenyl)ethylenediaMine 95%
(1R,2R)-1,2-Bis(2-hydroxyphenyl)ethylenediamine >
(1R,2R)-1,2-BIS(2-HYDROXYPHENYL)ETHYLENEDIAMINE, 95%
(+)-2,2'-((1R,2R)-1,2-DIAMINOETHANE-1,2-DIYL)-DIPHENOL
2-[(1R,2R)-1,2-diamino-2-(2-hydroxyphenyl)ethyl]phenol
(1R,2R)-1,2-Bis(2-hydroxyphenyl)ethane-1,2-diamine, min. 97%
(1R,2R)-1,2-Bis(2-hydroxyphenyl)ethylenediamine
Phenol, 2,?2'-?[(1R,?2R)?-?1,?2-?diamino-?1,?2-?ethanediyl]?bis- (9CI)
[Molecular Formula]

C14H16N2O2
[MDL Number]

MFCD09751760
[MOL File]

870991-70-1.mol
[Molecular Weight]

244.289
Chemical PropertiesBack Directory
[Melting point ]

157-163 °C
[Boiling point ]

457.9±40.0 °C(Predicted)
[density ]

1.294±0.06 g/cm3(Predicted)
[form ]

Powder
[pka]

9.15±0.35(Predicted)
[color ]

white to off-white
[optical activity]

[α]22/D +62°, c = 1% in chloroform
[Sensitive ]

air sensitive
Safety DataBack Directory
[Hazard Codes ]

Xn
[Risk Statements ]

22-36/37/38
[Safety Statements ]

26-36/37
[WGK Germany ]

3
[HS Code ]

2922.19.7000
Hazard InformationBack Directory
[Uses]

(1R, 2R)-1,2-Bis(2-hydroxyphenyl)ethylenediamine can be used as a precursor for the synthesis of:
  • Enantiomerically pure trans-3-arylpiperazine-2-carboxylic acid derivatives via diaza-Cope rearrangement (DCR).
  • 4,4′-(1,2-Diazaniumylethane-1,2-diyl)dibenzoate trihydrate by treating with terephthalaldehydic acid.

[Uses]

2,2''-[(1R,2R)-1,2-Diamino-1,2-ethanediyl]bisphenol is a useful synthetic compound.
[General Description]

(1R, 2R)-1,2-Bis(2-hydroxyphenyl)ethylenediamine or (R, R)-1,2-bis(2-hydroxyphenyl)-1,2-diaminoethane (HPEN) is commonly used in the stereoselective synthesis of enantiopure compounds.
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