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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
Boiling point:
86-88°C 23mm
alpha 
-24.5 º (c=5 1 N HCl 20 º 26.5 ºC)
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
solubility 
Aqueous Acid (Slightly), Chloroform (Sparingly), Methanol (Slightly)
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
Stability:
Air Sensitive
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

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.

Uses

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

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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