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A novel photocycloaddition of allylic silanes to 2,3-dicyano-5,6-dimethylpyrazine: Formation of 2,8-diazatricyclo[3.2.1.04,8]oct-2-ene derivatives

✍ Scribed by Gen-ichi Konishi; Kazuhiko Chiyonobu; Akira Sugimoto; Kazuhiko Mizuno

Publisher: Elsevier Science
Year: 1997
Tongue: French
Weight: 114 KB
Volume: 38
Category: Article
ISSN: 0040-4039
DOI: 10.1016/s0040-4039(97)01188-x

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✦ Synopsis

Irradiation of a benzene solution containing 2,3-dicyano-5,6-dimethylpyrazine with allylic silanes afforded 2,8-diazatricyclo[3.2.1.04.S]oct-2-ene derivatives in moderate yields. This photoreaction involves the (2n + 2n) photecycloaddition followed by rearrangement.

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