Dsm IP Assets B.v.

Hongyan Shen

Werner Bonrath

Jocelyn Fischesser

Vincent John Jephcote

A process for the preparation of 4-methyl-oxazole-5-carboxamide, an intermediate in the synthesis of pyridoxine, by reacting lower alkyl 4-methyl-oxazole-5-carboxy-late with a molar excess of anhydrous, liquid ammonia.

Process for 4-methyloxazole-5-carboxamide

A process for the production of acylbenzenes, comprising reacting diacetoxybenzoyl chloride with a Grignard reagent in the presence of an iron-containing catalyst. The acylbenzenes are useful intermediates in a multistep process for the preparation of resveratrol.

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Basel, Switzerland

Hongyan Shen