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The First 2 H ‐Phosphirene
Author(s) -
Wagner Oliver,
Maas Gerhard,
Regitz Manfred
Publication year - 1987
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.198712571
Subject(s) - photodissociation , pentane , chemistry , crystallography , photochemistry , organic chemistry
In phosphirenes the bonding situation is the opposite of that found in azirines: Whereas the 1 H derivatives are stable in the former, it is the 2 H derivatives which are stable in the latter. The first 2 H ‐phosphirene 3 has sbeen obtained along with 2 by photolysis of the 3 H ‐1,2,4‐diazaphospate in pentane at −40°C. An X‐ray structure analysis of the “end‐on” complex 4 revealed that the P‐C bond is remarkably short (1.634(4)%Å).
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