METHOD OF PREPARING 3-ARYL-BENZOFURANS Russian patent published in 1999 - IPC

Abstract RU 2132847 C1

FIELD: chemical industry. SUBSTANCE: new method is used for preparing compounds of formula I wherein R1-R5 and n are as defined in claim 1. Said compounds are intended for stabilization of organic materials against oxidative, thermal and light-induced decomposition. EFFECT: simplified process and its greater efficiency. 21 cl, 14 ex, 2 tbl

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RU 2 132 847 C1

Authors

Peter Nesvadba

Sehmjuehl' Ehvans

Ral'F Shmitt

Dates

1999-07-10Published

1994-09-16Filed