Process for preparing 2-carboalkoxy-1-indanones

Details Process for preparing 2-carboalkoxy-1-indanones Process for preparing 2-carboalkoxy-1-indanones

1997-04-28

1998-01-06

Jordan, Charles T.

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

Organic compounds

Carboxylic acid esters

C07C 6976

Patent

active

H00017051

ABSTRACT:
A process for the preparation of 2-carboalkoxy-1-indanones of Formula I from 1-indanones of Formula II using a dialkyl carbonate and an alkali metal alkoxide is provided. This process is superior to the prior art in that it avoids pyrophoric reagents such as sodium hydride, and proceeds in high chemical yield and product quality. The invention provides a novel process to an important intermediate in the preparation of arthropodicidal carboxanilides of commercial interest. ##STR1## wherein: R.sup.1, R.sup.2 and M are defined in the specification.

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