DE3521456
Compounds of formula (II> in which R1 is C1-4 alkyl, preferably methyl, are prepared by reaction of a compound of formula (I> where Q is hydrogen or a cation derived from a suitable base with a suitable alkylating agent such as an alkyl halide or a dialkyl sulphate. The compound of formula (II...
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Main Authors | , |
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Format | Patent |
Language | English |
Published |
29.04.1993
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Subjects | |
Online Access | Get full text |
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