CYCLOADDITION REACTION OF IMIDAZOTHIAIVZOLE TO ACETYLENIC DIPOLAROPHILES AND NOVEL CONVERSION OF CYCLOADDUCTS INTO 4,9c-DIAZAPENTALENONAPHTHALENES

DOI: 10.1246/cl.1983.763

Source and publish data:

Chemistry Letters p. 763 - 766 (1983)

Update date:2022-08-04

Topics:

Authors:

Tsuge, Otohiko

Kanemasa, Shuji

Hamamoto, Takayoshi

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Article abstract of DOI:10.1246/cl.1983.763

A nitrogen-bridged tetravalent sulfur compound, 1,3,6-triphenylimidazo<1,2-c>thia^IVzole, reacts with several acetylenic dipolarophiles giving excellent yields of regio- and periselective <3+2> cycloadducts to the azomethine ylide 1,3-dipole of

Full text of DOI:10.1246/cl.1983.763

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