Synthesis

Steric and Electronic Control in the Addition of Hydrazine and Phenylhydrazine to α-[(Dimethylamino) methylene]-β-oxoarylpropanenitriles

DE Tupper, MR Bray

文献索引：Synthesis, , # 3 p. 337 - 341

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被引用次数: 17

摘要

... l pTSA ' OO RR' N/ DMFacetal 4_____ ON I CN _ 2a-i 1a-i 1-6 abcde R1 H p-Cl p-OMe p-CF3 p-N02 1 ... using 50 % EtOAc,/hexane to give first 1,5-diarylpyrazole-4-carbonitrile 6 and secondly 5-amino- 4-aroyl-1-phenylpyrazole 5 (Tables 2 and 3). SYNTHESIS 341 Reaction of ...