SYN-ANTI SELECTIVITY OF CIS-3,4-DISUBSTITUTED CYCLOBUTENES Part 3: Chloro-thio- and Dithio-substituted Cyclobutenes

DOI: 10.1016/S0040-4039(00)82406-5

Source and publish data:

Tetrahedron Letters p. 6597 - 6600 (1988)

Update date:2022-08-05

Topics:

Authors:

Landen, Harald

Margraf, Birgit

Martin, Hans-Dieter

Steigel, Alois

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Article abstract of DOI:10.1016/S0040-4039(00)82406-5

Cycloaddicions of the 3.4-substituted cyclobutenes L, M with diazoalkanes RR'CN2, R = H and R' = H, alkyl, aryl or alkoxycarbonyl excusively yield syn-adducts.Diphenyl-nitrilimine and mesitonitrile oxide mainly undergo anti-addition.

Full text of DOI:10.1016/S0040-4039(00)82406-5

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