Syntheses and Thermal Rearrangements of N-Imino-1,2,5,6-tetrahydropyridinium and N-Imino-Δ^3-pyrrolinium Ylides

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概要

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• The thermolysis of the N-ethoxycarbonylimino-1,2,5,6-tetrahydropyridinium ylides (8), which were prepared from the corresponding parent N-ethoxycarbonyliminopyridinium ylides (10) by successive sodium borohydride reduction and methylation with methyl iodide, gave the [2,3] rearrangement products, 3-vinyltetrahydropyrazoles (15), and the elimination products, pentadienylhydrazines (16). In contrast, the thermolysis of the pyrrolinium ylide (9), which was prepared from N-methyl-Δ^3-pyrroline by N-amination and ethoxycarbonylation, gave the [1,2] rearrangement product, tetrahydropyridazine derivative (18), and did not give the [2,3] rearrangement product (20).

• 社団法人日本薬学会の論文
• 1978-09-25

著者

• 沢西 啓之

  Faculty Of Pharmaceutical Sciences Hokuriku University

• 沢西 啓之

  School of Pharmacy, Hokuriku University

• 土屋 隆

  School of Pharmacy, Hokuriku University

• 指田 春喜

  School of Pharmacy, Hokuriku University

• 指田 春喜

  北陸大学薬学部

• 指田 春喜

  Faculty Of Pharmaceutical Sciences Hokuriku University

• 土屋 隆

  Faculty Of Pharmaceutical Sciences Hokuriku University

• 指田 春喜

  北陸大 薬

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