Addition of Twisted 1,1-Bis(thioacyl)-2,2-diaminoethylenes to Dimethyl Acetylenedicarboxylate. 2. Structure Determination of Two Isomeric Spiroadducts by X-Ray Crystallography and of a Rearrangement Product by the 2D INADEQUATE Technique

DOI: 10.1021/jo00016a021

Source and publish data:

Journal of Organic Chemistry p. 4919 - 4925 (1991)

Update date:2022-08-04

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Authors:

Khan, Agha Zul-Qarnain

Sandstroem, Jan

Bergquist, Karl-Eric

Cheng, Chih-Yi

Wang, Sue-Lein

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Article abstract of DOI:10.1021/jo00016a021

1,3-Dialkyl-2-(4,4-dimethyl-2,6-dithioxocyclohexylidene)imidazolidines (twisted push-pull ethylenes) react smoothly with dimethyl acetylenedicarboxylate (DMAD) but require at least 3 equiv of DMAD for complete consumption.Chromatography of the complex rea

Full text of DOI:10.1021/jo00016a021

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