Rearrangement and trans-Elimination contrary to the Chugaev Reaction Rule. IX. Thermal Rearrangement of 2-Cycloalkenyl S-Alkyl Xanthate
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چکیده
منابع مشابه
SYNTHESIS AND THERMAL REARRANGEMENT OF OXYGEN HETEROCYCLIC SPIRANS
Thermal rearrangement of spirans (14) and (31) yields the xanthones (16,34) and diphenylrnethane (15, 32), respectively. The structure for xanthone (16), isolated from thermolysis, has been established by reduction to xanthene (20) followed by reoxidation to give xanthone (16). Alternatively, methylation of the diphenylmethane (15) followed by heating with selenium dioxide also yields xant...
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ژورنال
عنوان ژورنال: Chemical and Pharmaceutical Bulletin
سال: 1972
ISSN: 0009-2363,1347-5223
DOI: 10.1248/cpb.20.2357