Process for preparation of a benzofuran derivative

Details Process for preparation of a benzofuran derivative Process for preparation of a benzofuran derivative

2005-02-08

2005-02-08

Solola, Taofiq (Department: 1626)

Organic compounds -- part of the class 532-570 series

Organic compounds

Heterocyclic carbon compounds containing a hetero ring...

Reexamination Certificate

active

06852867

ABSTRACT:
An industrially useful process for producing benzofuran derivatives of formula (1):by formylating a compound of formula (2):(where A1is a protective group), followed by reaction with a compound of formula (4):(where X1is a halogen atom), then performing a cyclizing reaction and subsequently performing a reaction for hydroxyl group deprotection.

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Katritzky, A.R. et al., “The preparation of 1-17 some heteroaromatic and aromatic aldehydes”, ARKIVOC, vol. 1, No. 3 (2000), p. 240-251.

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