Title:
シクロプロパン化方法
Document Type and Number:
Japanese Patent JP5442612
Kind Code:
B2
Abstract:
A method for the preparation of cyclopropyl carbinols by cyclopropanation of unsaturated alcoholates, utilizing a reagent system selected from (A) magnesium metal and dibromomethane, and (B) dibromomethane and a tertiary Grignard reagent, the reaction being carried out in the presence of an ether solvent. The process is useful, for example, for the preparation of ingredients for the flavor and fragrance industry.
Inventors:
Schroder, Frittev
Application Number:
JP2010521276A
Publication Date:
March 12, 2014
Filing Date:
August 19, 2008
Export Citation:
Assignee:
Givaudan SA
International Classes:
C07C29/32; C07C31/133; C07C31/135; C07C31/137; C07C33/05; C07C33/12; C07C33/34; C07C35/23; C07C35/37
Other References:
BOLM C,TETRAHEDRON LETTERS,NL,ELSEVIER SCIENCE LTD.,1997年10月20日,V38 N42,P7349-7352
Attorney, Agent or Firm:
Kiyoji Kuzuwa
Noriki Mitsuhashi
Noriki Mitsuhashi