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(1R,2R)-(-)-1,2-Diaminocyclohexane

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(1R,2R)-(-)-1,2-Diaminocyclohexane Basic information

Product Name:
(1R,2R)-(-)-1,2-Diaminocyclohexane
Synonyms:
  • RR-DIAMINOCYCLOHEXANE
  • RR-DAC
  • (-)-(R,R)-DACH
  • (R,R)-DACH
  • (-)-(R,R)-1,2-DIAMINOCYCLOHEXANE
  • (1R,2R)-(-)-1,2-CYCLOHEXANEDIAMINE
  • (1R,2R)-CYCLOHEXANE-1,2-DIAMINE
  • (1R,2R)-(-)-1,2-DIAMINOCYCLOHEXANE
CAS:
20439-47-8
MF:
C6H14N2
MW:
114.19
EINECS:
606-556-6
Product Categories:
  • organic amine
  • Amines
  • API intermediates
  • Miscellaneous Reagents
  • Chiral Nitrogen
  • DACH&Trost Series
  • chiral
  • Chiral reagent
  • Amines (Chiral)
  • Chiral Building Blocks
  • Synthetic Organic Chemistry
  • CHIRAL CHEMICALS
  • Chiral Compound
  • Cycloalkanes
Mol File:
20439-47-8.mol
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(1R,2R)-(-)-1,2-Diaminocyclohexane Chemical Properties

Melting point:
41-45 °C
alpha 
-24.5 º (c=5 1 N HCl 20 º 26.5 ºC)
Boiling point:
86-88°C 23mm
Density 
0.931
refractive index 
-25.5 ° (C=5, 1mol/L HCl)
Flash point:
169 °F
storage temp. 
Keep in dark place,Inert atmosphere,Room temperature
pka
10.76±0.70(Predicted)
form 
Crystalline Low Melting Solid
color 
White to pale yellow
optical activity
[α]20/D 25°, c = 5 in 1 M HCl
Water Solubility 
Soluble in water.
Sensitive 
Air Sensitive
BRN 
4780911
InChIKey
SSJXIUAHEKJCMH-PHDIDXHHSA-N
CAS DataBase Reference
20439-47-8(CAS DataBase Reference)
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Safety Information

Hazard Codes 
C
Risk Statements 
34
Safety Statements 
26-36/37/39-45
RIDADR 
UN 3259 8/PG 2
WGK Germany 
3
10-34
HazardClass 
8
PackingGroup 
III
HS Code 
29213000

MSDS

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(1R,2R)-(-)-1,2-Diaminocyclohexane Usage And Synthesis

Chemical Properties

white to light yellow crystal powder

Uses

(1R,2R)-(-)-1,2-Diaminocyclohexane can be used as a building block for chiral ligands.

Uses

suzuki reaction

Uses

(1R,2R)-(-)-1,2-Diaminocyclohexane is a versatile ligand for the formation of metal complexes. Used in the synthesis of chiral tropocoronands which have potential utility in asymmetric catalysis.

Purification Methods

Distil or recrystallise the diamine from pet ether under N2 or Ar. Store it as above. The 1R,2R-base L-tartrate salt has M 264.3, m 2 7 3o and [ ] D +12.5o (c 4, H2O), and can be used to purfy and/or optically enrich the free base. [Beilstein 13 III 6, and references below.]

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