The invention provides an improved process for preparing a halogenated alcohol of formula (I): CX<1>X<2>X<3>-CH(OH)CH=C(CH3)2, wherein X<1>, X<2> and X<3> are halo, which comprises reacting a compound of formula (II): CX<1>X<2>X<3>H with 3-methylbut-2-en-1-al in the presence of a strong base and an inert solvent. The compounds of formula (I) are useful as intermediates in the manufacture of insecticides.
申请公布号
WO9616010(A1)
申请公布日期
1996.05.30
申请号
WO1995GB02571
申请日期
1995.11.02
申请人
ZENECA LIMITED;BOWDEN, MARTIN, CHARLES;BROWN, STEPHEN, MARTIN;PERRIOR, TREVOR, ROBERT
发明人
BOWDEN, MARTIN, CHARLES;BROWN, STEPHEN, MARTIN;PERRIOR, TREVOR, ROBERT