One??pot synthesis of furano??and thieno [3, 4??d] thiepins via bis??wittig reactions

DN Nicolaides, EC Tsakalidou…

Index: Nicolaides, D.N.; Tsakalidou, E. C.; Hatziantoniou, C. T. Journal of Heterocyclic Chemistry, 1982 , vol. 19, p. 1243 - 1244

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Abstract

Our site uses cookies to improve your experience. You can find out more about our use of cookies in About Cookies, including instructions on how to turn off cookies if you wish to do so. By continuing to browse this site you agree to us using cookies as described in About Cookies. ... Bis-Wittig reactions of dicarbaldehydes 3a-c, 6 with ylid 2 gave thiepins 4a-c and 7, respectively. In contrast to the considerable stability of compounds 4a-c, thiepin 7 was desulfurized to benzo[6] ...

~5%

~13%

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