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US 6,147,260 AGranted
Preparation of 5-(3-butyryl-2,4,6-trimethyl)-2-(1-(ethoxyimino)propyl)-3-hydroxycyclohe x-2-en-1-one
AssigneeOrica Australia Pty Ltd
InventorsGraham John Bird, Keith Geoffrey Watson
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Abstract
A process of preparing the compound of formula (I) which comprises: (a) reacting butyryl chloride with the compound of formula (IV) in the presence of a Friedel-Crafts catalyst in an inert diluent to produce a compound of formula (II) and (b) reacting the compound of formula (II) with ethoxyamine. Compound (II) is also claimed.
Claims8
A process of preparing the compound of formula (I):
- which comprises
- a) reacting butyryl chloride with the compound of formula (IV):
- ##STR2## in the presence of a Friedel-Crafts catalyst in an inert diluent to produce a compound of formula (II):
- ##STR3## and b) reacting the compound of formula (II) with ethoxyamine.
1 more element
A method of preparing a compound of Formula (II), comprising the step of reacting butyryl chloride with a compound of Formula (IV) in the presence of a Friedel-Crafts catalyst in an inert diluent:
- ##STR4##
Dependencies are inferred from the claim text.