TiCL4 INDUCED IMINIUM ION CYCLIZATIONS OF α-CYANOAMINES

DOI: 10.1016/S0040-4039(01)80557-8

Source and publish data:

Tetrahedron Letters p. 4973 - 4976 (1989)

Update date:2022-07-31

Topics:

Authors:

Yang, Teng-Kuei

Hung, Shun-Ming

Lee, Dong-Sheng

Hong, An-Way

Cheng, Chan-Chun

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Article abstract of DOI:10.1016/S0040-4039(01)80557-8

Tertiary α-cyanoamines served as the precursors of iminium ions in the presence of titanium tetrachloride.Various intramolecular nucleophiles, olefinic and acetylenic, were found to produce cyclized products.The influences of ring sizes and substitutions on the double bonds were also investigated.

Full text of DOI:10.1016/S0040-4039(01)80557-8

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