Title:
アセチレンアルコール類の製造方法
Document Type and Number:
Japanese Patent JP2005534717
Kind Code:
A
Abstract:
A method for the production of acetylene alcohols by mono-ethynylation of ketones comprising: (a) reaction of lithium with a 1-10C alkyl halide; (b) introduction of acetylene gas; and (c) addition of the ketone. A method for the production of acetylene alcohols of formula (I) by mono-ethynylation of ketones of formula R1-CO-R2 comprising: (a) reaction of lithium with a 1-10C alkyl halide, (b) introduction of acetylene gas and (c) addition of the ketone. HCequivalent toC-CR1R2-OH (I) R1, R2 = H or optionally unsaturated 1-30C alkyl, aryl, cycloalkylalkyl or cycloalkyl (all optionally substituted), or groups of formula -CH2CH2CHR3R4 or -CH2CH=CR3R4; and R3, R4 = H or optionally unsaturated, optionally substituted 1-30C alkyl, aryl, cycloalkylalkyl or cycloalkyl.
Inventors:
Henkelmann, Yohim
Kindler, Alois
Arndt, Jan-Dirk
CLASS, Katrin
Kindler, Alois
Arndt, Jan-Dirk
CLASS, Katrin
Application Number:
JP2004530049A
Publication Date:
November 17, 2005
Filing Date:
July 23, 2003
Export Citation:
Assignee:
BASF Aktiengesellschaft
International Classes:
C07B61/00; C07C29/42; C07C33/042; C07C33/048; C07C33/14; C07C33/48; C07C403/00; (IPC1-7): C07C29/42; C07C33/042; C07C33/048; C07C33/14
Attorney, Agent or Firm:
Yusuke Hiraki
Ishii Teiji
Satoshi Fujita
Ishii Teiji
Satoshi Fujita