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ChemicalBook CAS DataBase List ETHYL 1-CYANOCYCLOPROPANECARBOXYLATE
1558-81-2

ETHYL 1-CYANOCYCLOPROPANECARBOXYLATE synthesis

6synthesis methods
-

Yield:1558-81-2 59.6%

Reaction Conditions:

with potassium carbonate in N,N-dimethyl-formamide at 80;

Steps:

CXI

To a stirred mixture of compound CXI-5 (30 g, 0.265 mol), l-bromo-2- chloroethane (75 g, 0.528 mol) in DMF (200 mL) was added K2C03 (110 g, 0.8 mol). The reaction mixture was heated to 80°C overnight. The mixture was diluted with ice water, extracted with hexane, washed with water and brine, dried over Na2S04, filtered and concentrated. The residue was main compound CXI-6 (22 g, yield 59.6%) and used directly.

References:

WO2013/25733,2013,A1 Location in patent:Paragraph 0793

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