Method for producing ortho-alkylated benzoic acid derivatives
申请人:Merck KGaA
公开号:US06350904B1
公开(公告)日:2002-02-26
The invention relates to a process for the preparation of ortho-alkylated benzoic acid derivatives of the formula I
characterized in that an aryl bromide of the formula II
is reacted with a secondary or tertiary organolithium compound and CO2.
METHOD FOR PRODUCING ORTHO-ALKYLATED BENZOIC ACID DERIVATIVES
申请人:MERCK KGAA
公开号:US20030069444A1
公开(公告)日:2003-04-10
The invention relates to a process for the preparation of ortho-alkylated benzoic acid derivatives of the formula I
1
characterized in that an aryl bromide of the formula II
2
is reacted with a secondary or tertiary organolithium compound and CO
2
.