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HomeProduct name list(1R,2R)-N,N'-Dimethyl-1,2-cyclohexanediamine

(1R,2R)-N,N'-Dimethyl-1,2-cyclohexanediamine

Synonym(s):(R,R)-(−)-N,N′-Dimethyl-1,2-diaminocyclohexane;trans-1,2-Bis(methylamino)cyclohexane

(1R,2R)-N,N'-Dimethyl-1,2-cyclohexanediamine Structural

What is (1R,2R)-N,N'-Dimethyl-1,2-cyclohexanediamine?

Chemical properties

white to light yellow crystal powde

The Uses of (1R,2R)-N,N'-Dimethyl-1,2-cyclohexanediamine

(R,R)-(?)-N,N′-Dimethyl-1,2-cyclohexanediamine can be used:

  • As a ligand in the preparation of 4H-benzo[f]imidazo[1,4]diazepin-6-one through multi-component Ullmann coupling reaction.
  • In one of the key synthetic steps for the preparation of tricyclic γ-secretase modulators.
  • To prepare chiral fluorous diamino-diol proligand, which is used in the synthesis of zirconium metal complexes applicable as catalysts in 1-hexene polymerization.

General Description

(R,R)-(-)-N,N′-Dimethyl-1,2-cyclohexanediamine is a N,N′-dimethylated derivative of enantiopure 1,2-diaminocyclohexane. It can be formed during the hydrolysis of (R3a,R7a)-1,3-(dimethyl)-2-phenyl-2,3,3a,4,5,6,7,7a-octahydro-1H-1,3,2-benzodiazaphosphole 2-oxide using HCl-methanol.

Properties of (1R,2R)-N,N'-Dimethyl-1,2-cyclohexanediamine

Melting point: 39-44 °C
Boiling point: 249.85°C (rough estimate)
alpha  -145 º (c=4.47 in chloroform)
Density  0.902
refractive index  -140 ° (C=4, CHCl3)
Flash point: 74 °C
storage temp.  2-8°C
form  Low Melting Solid
pka 11.04±0.40(Predicted)
color  White to light yellow
optical activity [α]/D -145±5°, c = 4.47 in chloroform
CAS DataBase Reference 68737-65-5(CAS DataBase Reference)

Safety information for (1R,2R)-N,N'-Dimethyl-1,2-cyclohexanediamine

Signal word Danger
Pictogram(s)
ghs
Corrosion
Corrosives
GHS05
ghs
Exclamation Mark
Irritant
GHS07
GHS Hazard Statements H302:Acute toxicity,oral
H314:Skin corrosion/irritation
Precautionary Statement Codes P270:Do not eat, drink or smoke when using this product.
P280:Wear protective gloves/protective clothing/eye protection/face protection.
P301+P312:IF SWALLOWED: call a POISON CENTER or doctor/physician IF you feel unwell.
P301+P330+P331:IF SWALLOWED: Rinse mouth. Do NOT induce vomiting.
P303+P361+P353:IF ON SKIN (or hair): Remove/Take off Immediately all contaminated clothing. Rinse SKIN with water/shower.
P305+P351+P338:IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.

Computed Descriptors for (1R,2R)-N,N'-Dimethyl-1,2-cyclohexanediamine

InChIKey JRHPOFJADXHYBR-HTQZYQBOSA-N

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