Reaction of lithium trimethylsilyldiazomethanide with ketenimines bearing electron-withdrawing groups

DOI: 10.1055/s-1991-28411

Source and publish data:

Synthesis p. 1163 - 1167 (1991)

Update date:2022-08-04

Topics:

Authors:

Aoyama Aoyama

Nakano Nakano

Marumo Marumo

Uno Uno

Shioiri Shioiri

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Article abstract of DOI:10.1055/s-1991-28411

Ketenimines bearing electron-withdrawing groups (X in 1) at the C₂-position react with lithium trimethylsilyldiazomethanide [diazo(lithio)trimethylsilylmethane] to give 4-amino-3-trimethylsilylpyrazoles 4 or 5 mainly; in some cases 4-trimethylsilyl-1,2,3-triazole derivatives 3 were formed as the major products.

Full text of DOI:10.1055/s-1991-28411

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