Heterocondensed uracil betaines by three component reaction: Iminophosphorane, heteroarene, isocyanate

DOI: 10.1016/0040-4039(91)80015-X

Source and publish data:

Tetrahedron Letters p. 4473 - 4476 (1991)

Update date:2022-08-04

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Authors:

Wamhoff, Heinrich

Schmidt, Andreas

Nieger, Martin

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Article abstract of DOI:10.1016/0040-4039(91)80015-X

1,3-Dimethyl-6(triphenylphosphoranylideneamino)uracil 1 affords with pyridines and the isocyanates 2a-f in a novel type of a three component reaction pyrido[1,2-f]pyrimido-[4,5-d] pyrimidines 5a-h (X-ray analysis of 5a).

Full text of DOI:10.1016/0040-4039(91)80015-X

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