Process for the preparation of 1-(pyrimidin-2-yl)propan-2-ones

Details Process for the preparation of 1-(pyrimidin-2-yl)propan-2-ones Process for the preparation of 1-(pyrimidin-2-yl)propan-2-ones

2006-11-28

2006-11-28

Rao, Deepak (Department: 1624)

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

Organic compounds

Nitrogen attached directly or indirectly to the purine ring...

Reexamination Certificate

active

07141670

ABSTRACT:
A process for the preparation of 1-(pyrimidin-2-yl)propan-2-ones of general formula (I), in which R is in each case a C1-10-alkyl group, a C3-8-cycloalkyl group, an alkyl group or an aryl-C1-4-alkyl group. For this, a malondiimidate of the general formula (II), in which R has the meaning given above, is reacted with diketene. The compounds which can be prepared according to the invention are intermediates for the synthesis of agrochemical active ingredients.

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