Processes for the preparation of pesticides and intermediates

Details Processes for the preparation of pesticides and intermediates Processes for the preparation of pesticides and intermediates

1995-06-01

1998-03-17

Ivy, C. Warren

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

Organic compounds

Carboxylic acids and salts thereof

564123, 564193, 564200, 564201, 564202, C07C22956, C07C23301

Patent

active

057288690

ABSTRACT:
There is disclosed a process for the preparation of an indanylamine compound of general formula ##STR1## wherein R.sup.1 represents an optionally substituted alkyl group, and R.sup.2, R.sup.3 and R.sup.4 independently represent a hydrogen atom or an optionally substituted alkyl group, the process including the steps of hydrogenating a compound of general formula ##STR2## wherein R.sup.1, R.sup.2, R.sup.3 and R.sup.4 are as described above and R.sup.5 and R.sup.6 independently represent a halogen atom, a hydroxyl, nitro or cyano group, or an optionally substituted alkyl, alkoxy, alkoxycarbonyl, alkylcarboxy or alkylamino group provided that R.sup.5 and R.sup.6 represent different atoms or groups, and subsequent rearrangement and derivatisation of the product thereof. Compounds of general formula I may be used to prepare preferred stereoisomers of fungicidal N-indanyl carboxamide compounds.

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