Hexyl carbamate → Dihexyl carbonate

HRID 1903389Notes

Reaction equation

HRID 1903389 reaction equation
[C:1](=[O:10])([O:3][CH2:4][CH2:5][CH2:6][CH2:7][CH2:8][CH3:9])N>CN(C)C1C=CN=CC=1>[C:1](=[O:10])([O:3][CH2:4][CH2:5][CH2:6][CH2:7][CH2:8][CH3:9])[O:3][CH2:4][CH2:5][CH2:6][CH2:7][CH2:8][CH3:9]

Participants

3

Reactant 1

HCID 75026Hexyl carbamate

Product 1

HCID 522576Dihexyl carbonateYield 98%

Reagents, catalysts & solvents 1

HCID 142844-(Dimethylamino)pyridineCatalyst

Procedure

The procedure described in Example 1 is followed, but additionally 5 parts of p-dimethylaminopyridine are introduced into the reaction mixture. Analysis by gas chromatography shows that over the same period 44.8% of n-hexyl carbamate have been converted and 101 parts of di-n-hexyl carbonate (98.0% of theory, based on converted n-hexyl carbamate) are formed; the product is isolated by subsequent fractional distillation at 121°-23° C./4 mbar.

Sources & evidence

ORD record
ord-815d2bb89a244601af18c9cf93f29df8
Source dataset
uspto-grants-1984_03
Patent number
US04436668

Reaction notes

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