Process and novel intermediates for preparing triazolinones

Details Process and novel intermediates for preparing triazolinones Process and novel intermediates for preparing triazolinones

1998-07-13

1999-10-12

Richter, Johann

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

Organic compounds

Carboxylic acid esters

564464, C07C22930, C07C24316, C07C24324

Patent

active

059657685

ABSTRACT:
The present invention relates to a novel process for preparing a hydrazinecarboxylic ester of the formula (III) ##STR1## wherein R represents C.sub.1-4 -alkyl, which is optionally substituted by halogen or C.sub.1-4 -alkoxy, or represents phenyl, which is optionally substituted by halogen or C.sub.1-4 -alkyl, and

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