Noncatalytic Annulation of 4-Hydroxy-4-methylpent-2-ynenitrile to 3,3-Dimethyl-2-phenyl-3H-pyrrole. Stereoselective Synthesis of (Z)-2-(2,2,7,7-Tetramethyl-7a-phenyl-7,7a-dihydropyrrolo- [2,1-b]oxazol-3(2H)-ylidene)acetonitrile


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3,3-Dimethyl-2-phenyl-3H-pyrrole reacted with 4-hydroxy-4-methylpent-2-ynenitrile under mild conditions (20–25°C, 5 days) to give (Z)-2-(2,2,7,7-tetramethyl-7a-phenyl-7,7a-dihydropyrrolo[2,1-b]oxazol- 3(2H)-ylidene)acetonitrile in 79% yield with high stereoselectivity.

Sobre autores

L. Oparina

Favorskii Irkutsk Institute of Chemistry, Siberian Branch

Email: boris_trofimov@irioch.irk.ru
Rússia, ul. Favorskogo 1, Irkutsk, 664033

D. Shabalin

Favorskii Irkutsk Institute of Chemistry, Siberian Branch

Email: boris_trofimov@irioch.irk.ru
Rússia, ul. Favorskogo 1, Irkutsk, 664033

N. Kolyvanov

Favorskii Irkutsk Institute of Chemistry, Siberian Branch

Email: boris_trofimov@irioch.irk.ru
Rússia, ul. Favorskogo 1, Irkutsk, 664033

I. Ushakov

Favorskii Irkutsk Institute of Chemistry, Siberian Branch

Email: boris_trofimov@irioch.irk.ru
Rússia, ul. Favorskogo 1, Irkutsk, 664033

B. Trofimov

Favorskii Irkutsk Institute of Chemistry, Siberian Branch

Autor responsável pela correspondência
Email: boris_trofimov@irioch.irk.ru
Rússia, ul. Favorskogo 1, Irkutsk, 664033

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