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Synthesis and Structure of a Diphospha[4]radialene
Author(s) -
Toyota Kozo,
Tashiro Katsuya,
Yoshifuji Masaaki
Publication year - 1993
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.199311631
Subject(s) - cyclobutene , planar , halogenation , electron , crystal (programming language) , spectral line , crystallography , chemistry , photochemistry , physics , organic chemistry , astronomy , ring (chemistry) , computer science , quantum mechanics , computer graphics (images) , programming language
Diphospha[4]radialene 1 is planar and highly symmetrical in the crystal , and accessible from the corresponding 1,2‐dibenzyl‐substituted cyclobutene by bromination and debromination. The UV/VIS spectra of 1 indicate an extended π‐electron system. Ar = 2,4,6‐ t Bu 3 C 6 H 2 .