Tetrakis(phenylimino)cyclobutane (Tetrameric Phenyl Isocyanide) | Zendy

Bestmann Hans Jürgen | Zendy; Schmid Günter | Zendy; Wilhelm Eberhard | Zendy

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Tetrakis(phenylimino)cyclobutane (Tetrameric Phenyl Isocyanide)

Author(s) -

Bestmann Hans Jürgen,

Schmid Günter,

Wilhelm Eberhard

Publication year - 1980

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.198001362

Subject(s) - cyclobutane , chemistry , ring (chemistry) , phenylhydrazine , nitrobenzene , hydrobromide , phosphorane , amidine , isocyanide , stereochemistry , medicinal chemistry , organic chemistry , catalysis

A nitrogen analogue of the hitherto unknown cyclobutane tetraone , the title compound (2) , is formed as red‐violet crystals from the phosphorane (1) and nitrobenzene in a one‐pot reaction. The arrangement of phenyl groups indicated in the formula is confirmed by X‐ray structure analysis. (2) is reduced, e.g. by phenylhydrazine, to (3) , the first amidine of squaric acid whose N atoms are not linked in a ring.

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