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Existence of a New C 6 H 6 Isomer: Tricyclo[3.1.0.0 2,6 ]hex‐1(6)‐ene
Author(s) -
SzeimiesSeebach Ursula,
Harnisch Joachim,
Szeimies Günter,
Van Meerssche Maurice,
Germain Gabriel,
Declerq JeanPaul
Publication year - 1978
Publication title -
angewandte chemie international edition in english
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 5.831
H-Index - 550
eISSN - 1521-3773
pISSN - 0570-0833
DOI - 10.1002/anie.197808481
Subject(s) - ene reaction , tetrahedron , adduct , anthracene , molecule , chemistry , crystallography , stereochemistry , photochemistry , organic chemistry
“Isobenzvalene” (1) , a very highly strained molecule, has now been trapped in the form of the Diels‐Alder adduct (2) with anthracene. The structure of (2) is also unusual: C‐11 and C‐16 are both located outside the tetrahedron formed by their four substituents (“inverted tetrahedron”).