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Thermal rearrangement of 1-vinylspiro[2.4]hepta-4,6-diene to 4,7-dihydroindene

✍ Scribed by Maitland Jones Jr.; Ronald N. Hochman; James D. Walton

Publisher: Elsevier Science
Year: 1970
Tongue: French
Weight: 158 KB
Volume: 11
Category: Article
ISSN: 0040-4039
DOI: 10.1016/s0040-4039(01)98295-4

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✦ Synopsis

THIS BRIEF NOTE is occasioned by recent observations in Germany and the Soviet Union. SchGnleber3 has remarked the thermal conversion of 1-vinylspiro[2.4]hepta-4,6-diene (l-1 to indane at 350°. In related work, Mironov, et al. 4 --reported the rearrangement of spiro[4.4]nona-1,3-diene

to indane at 300-400s. In the latter case, several tetrahydroindene intermediates were isolated. We describe here the isolation of a compound

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