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270016

Sigma-Aldrich

(±)-trans-1,2-Diaminocyclohexane

99%

Synonym(s):

(±)-trans-1,2-Cyclohexanediamine

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About This Item

Linear Formula:
C6H10(NH2)2
CAS Number:
1121-22-8
Molecular Weight:
114.19
Beilstein/REAXYS Number:
3193807
MDL number:
MFCD00063747
UNSPSC Code:
12352100
PubChem Substance ID:
24856187
NACRES:
NA.22

vapor pressure

0.4 mmHg ( 20 °C)

Quality Level

200

assay

99%

form

liquid

refractive index

n20/D 1.489 (lit.)

bp

79-81 °C/15 mmHg (lit.)

mp

14-15 °C (lit.)

density

0.951 g/mL at 25 °C (lit.)

SMILES string

N[C@@H]1CCCC[C@H]1N

InChI

1S/C6H14N2/c7-5-3-1-2-4-6(5)8/h5-6H,1-4,7-8H2/t5-,6-/m1/s1

InChI key

SSJXIUAHEKJCMH-PHDIDXHHSA-N

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General description

(±)-trans-1,2-Diaminocyclohexane is widely used as a ligand in coordination chemistry and organocatalysis. It also serves as an achiral ligand in asymmetric catalysis. (±)-trans-1,2-Diaminocyclohexane was condensed with aliphatic dialdehydes to form [3+3] or [2+2] macrocyclization products.

Application

(±)-trans-1,2-Diaminocyclohexane was used in the synthesis of macrocyclic [3+3] hexa Schiff base. It was also employed in the synthesis of multidentate ligands, chiral auxiliaries and chiral stationary phases.

pictograms

Corrosion
GHS05

signalword

Danger

hcodes

H314

Hazard Classifications

Skin Corr. 1B

Storage Class

8A - Combustible corrosive hazardous materials

wgk_germany

WGK 3

flash_point_f

156.2 °F - closed cup

flash_point_c

69 °C - closed cup

ppe

Faceshields, Gloves, Goggles, type ABEK (EN14387) respirator filter

Certificates of Analysis (COA)

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2,2'-Bipyridine-5,5'-dicarbaldehyde has been prepared in two steps by enamination of 5,5'-dimethyl-2,2'-bipyridine with Bredereck's reagent, and subsequent oxidative cleavage of the enamine groups with sodium periodate. On condensation of this dialdehyde with enantiomerically pure trans-1,2-diaminocyclohexane, the macrocyclic [3+3] hexa Schiff base
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Aliphatic dialdehydes of rigid structures having a cyclohexane, a bicyclo[2.2.2]octane or a [7]triangulane skeleton, have been condensed with enantiomerically pure trans-1,2-diaminocyclohexane to give [3+3] or [2+2] macrocyclization products. Unlike acyclic aliphatic imines, these macrocyclic oligoimines show enhanced stabilities and their
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trans-1, 2-Diaminocyclohexane derivatives as chiral reagents, scaffolds, and ligands for catalysis: applications in asymmetric synthesis and molecular recognition
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