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Intramolecular [4 + 2] Diels-Alder cycloaddition reactions of phospholes with vinylphosphines promoted by nickel

✍ Scribed by Solujic, L.; Milosavljevic, Emil B.; Nelson, John H.; Alcock, Nathaniel W.; Fischer, Jean


Book ID
127044523
Publisher
American Chemical Society
Year
1989
Tongue
English
Weight
970 KB
Volume
28
Category
Article
ISSN
0020-1669

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Diels-Alder reaction of (2,4,6-trialkylp
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## 2,4,6-Trialkylphenylphospholes 3a (R‫ס‬Me), 3b (R‫ס‬i-Pr) and 3c (R‫ס‬t-Bu), with increasing flattening at phosphorus and hence with increasing electron delocalisation, underwent the Diels-Alder reaction with N-phenylmaleimide to give predominantly cycloadducts 4a-c with the trialkylphenyl subs