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1. (WO2018029141) METHOD FOR PRODUCING 4-SUBSTITUTED 2,3-DIHYDRO-1-BENZOFURAN DERIVATIVES BY CYLISATION OF 2-(2-DIAZONIUM-6-SUBSTITUTED PHENYL)ETHANOL SALTS

Pub. No.:    WO/2018/029141    International Application No.:    PCT/EP2017/069933
Publication Date: Fri Feb 16 00:59:59 CET 2018 International Filing Date: Tue Aug 08 01:59:59 CEST 2017
IPC: C07D 307/79
C07D 307/82
A61K 31/343
Applicants: BAYER CROPSCIENCE AKTIENGESELLSCHAFT
Inventors: GALLENKAMP, Daniel
FORD, Mark, James
Title: METHOD FOR PRODUCING 4-SUBSTITUTED 2,3-DIHYDRO-1-BENZOFURAN DERIVATIVES BY CYLISATION OF 2-(2-DIAZONIUM-6-SUBSTITUTED PHENYL)ETHANOL SALTS
Abstract:
The invention relates to a method for producing 4-substituted 2,3-dihydro-1-benzofuran derivatives by cyclisation of 2-(2-diazonium-6-substituted phenyl)ethanol salts.