Abstract
NEW REARRANGEMENT IN THE o-CARBOMETHOXYDIAZOACETYLPYRIDINE SERIES V. G. Kartsev, S. V. Chapyshev, UDC 547.822.7'824'826.1'26'834.2:541.621.2 N. S. Yashina, and V. S. Petrosyan We have observed that a rearrangement occurs in the reaction of o-carbomethoxydiazoace- tylpyirdines with sodium methoxide; the product of this ~earrangement is the isomeric diazo ketone. Thus diazo ketone I at room temperature in methanol in the presence of 5% CHsONa solu- tion is converted to the isomeric diazo ketone III. In turn, the addition of sodium methox- ide to a methanol solution of III leads to the formation of diazo ketone I.
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