CYCLOPENT[A]INDENE (BENZOPENTALENE) - GENERATION BY FLASH VACUUM PYROLYSIS AND SUBSEQUENT DIMERIZATION

Cyclopent[a]indene (benzopentalene, 7) is generated by flash vacuum pyrolysis of 3-phenylphthalic anhydride (6), biphenylene (3) or diphenic anhydride (4). It dimerises readily and adds cyclopentadiene above -70 degrees C, but it does not equilibrate at 900 degrees C with as-indacene (1).

Saved in:
Bibliographic Details
Published inTetrahedron letters Vol. 35; no. 25; pp. 4405 - 4408
Main Authors BROWN, RFC, CHOI, N, COULSTON, KJ, EASTWOOD, FW, WIERSUM, UE, JENNESKENS, LW
Format Journal Article
LanguageEnglish
Published OXFORD Elsevier 20.06.1994
Subjects
Chemistry
Chemistry, Organic
Physical Sciences
Science & Technology
ANHYDRIDE
Online AccessGet full text

Cover

More Information
Summary:Cyclopent[a]indene (benzopentalene, 7) is generated by flash vacuum pyrolysis of 3-phenylphthalic anhydride (6), biphenylene (3) or diphenic anhydride (4). It dimerises readily and adds cyclopentadiene above -70 degrees C, but it does not equilibrate at 900 degrees C with as-indacene (1).
ISSN:0040-4039
DOI:10.1016/S0040-4039(00)73368-5