Title:
MANUFACTURE OF 3-BROMO-4-FLUORO-BENZYL ALCOHOL
Document Type and Number:
Japanese Patent JPS5788134
Kind Code:
A
Abstract:
A process for the preparation of 3-bromo-4-fluoro-benzyl alcohol of the formula comprising reacting 3-bromo-4-fluoro-benzoic acid or a derivative thereof of the formula in which R is a hydrogen atom, an alkyl radical or an alkoxycarbonyl radical, with a complex hydride of the formula M(M'H4) in which M is lithium, sodium or potassium, and M' is boron or aluminum, at a temperature between about -20 DEG and +150 DEG C. When R is alkoxycarbonyl the starting material can be produced by reacting the corresponding free acid with a chloroformic acid ester. Compounds wherein R is alkyl or alkoxycarbonyl are new. The end product is a known intermediate for insecticides.
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Inventors:
FURITSUTSU MAURAA
UUBUE PURIISUNITSUTSU
HANSUUYOHEMU RIIBERU
RAINAA FUTSUKUSU
EERITSUHI KURAUKE
UUBUE PURIISUNITSUTSU
HANSUUYOHEMU RIIBERU
RAINAA FUTSUKUSU
EERITSUHI KURAUKE
Application Number:
JP15224081A
Publication Date:
June 01, 1982
Filing Date:
September 28, 1981
Export Citation:
Assignee:
BAYER AG
International Classes:
B01J27/00; C07C27/00; C07C29/147; C07C33/46; C07C29/136; C07C63/70; C07C67/00; C07C69/96; (IPC1-7): B01J27/10; C07C29/132; C07C33/46; C07C69/96