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).

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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
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Abstract 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).
AbstractList 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).
Author CHOI, N
EASTWOOD, FW
COULSTON, KJ
JENNESKENS, LW
BROWN, RFC
WIERSUM, UE
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References CHOI N (WOS:A1994NT65500039.4) 1993
BROWN, RFC (WOS:A1988R624500031) 1988; 29
BROWN, RFC (WOS:A1993KK14300002) 1993
WIERSUM, UE (WOS:A1993MB62600031) 1993; 34
PRINZBACH, H (WOS:A1986AWP7900005) 1986; 58
BROWN RFC (WOS:A1994NT65500039.3) 1992
DONGES R (WOS:A1994NT65500039.5) 1976; 17
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  year: 1976
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  publication-title: TETRAHEDRON LETT
  contributor:
    fullname: DONGES R
– volume: 34
  start-page: 6615
  year: 1993
  ident: WOS:A1993MB62600031
  article-title: FLASH VACUUM THERMOLYSIS OF BIPHENYLENE AND DIPHENIC ANHYDRIDE - FORMATION OF 6B,7,10,10A-TETRAHYDRO-AS-INDACENO[1,8-JKL]FLUORANTHENE - EVIDENCE FOR THE INTERMEDIACY OF AS-INDACENE ON THE C12H8 POTENTIAL-ENERGY SURFACE
  publication-title: TETRAHEDRON LETTERS
  contributor:
    fullname: WIERSUM, UE
– year: 1992
  ident: WOS:A1994NT65500039.3
  publication-title: 7TH INT S NOV AR COM
  contributor:
    fullname: BROWN RFC
– volume: 29
  start-page: 6791
  year: 1988
  ident: WOS:A1988R624500031
  article-title: THE PYROLYSIS OF TETRAPHENYLPHTHALIC ANHYDRIDE - FORMATION OF 1,2,3-TRIPHENYLBENZOPENTALENE
  publication-title: TETRAHEDRON LETTERS
  contributor:
    fullname: BROWN, RFC
– year: 1993
  ident: WOS:A1994NT65500039.4
  publication-title: THESIS MONASH U
  contributor:
    fullname: CHOI N
– start-page: 9
  year: 1993
  ident: WOS:A1993KK14300002
  article-title: GAS-PHASE CHEMISTRY OF KETENES, CARBENES, ACETYLENES AND ARYNES - SYNTHETIC CONSEQUENCES
  publication-title: SYNLETT
  contributor:
    fullname: BROWN, RFC
– volume: 58
  start-page: 25
  year: 1986
  ident: WOS:A1986AWP7900005
  article-title: MULTIELECTRON (12-PI-20-PI) PERICYCLIC PROCESSES
  publication-title: PURE AND APPLIED CHEMISTRY
  contributor:
    fullname: PRINZBACH, H
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Snippet Cyclopent[a]indene (benzopentalene, 7) is generated by flash vacuum pyrolysis of 3-phenylphthalic anhydride (6), biphenylene (3) or diphenic anhydride (4). It...
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Chemistry, Organic
Physical Sciences
Science & Technology
Title CYCLOPENT[A]INDENE (BENZOPENTALENE) - GENERATION BY FLASH VACUUM PYROLYSIS AND SUBSEQUENT DIMERIZATION
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