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4‐Iodo‐1,3,5,7‐tetramethyl‐1,3,5,7‐tetraaza‐4λ 5 ‐phosphaspiro[3.3]heptane‐2,6‐dione: Synthesis and Crystal Structure of the First Iodophosphorane
Author(s) -
Breker Johannes,
Jones Peter G.,
Stalke Dietmar,
Schmutzler Reinhard
Publication year - 1988
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.198815621
Subject(s) - heptane , crystal structure , atom (system on chip) , chemistry , crystallography , trigonal crystal system , crystal (programming language) , stereochemistry , organic chemistry , computer science , embedded system , programming language
A trigonal‐bipyramidally coordinated P atom is the characteristic structural element of the title compound 2 , which can be synthesized from the readily available 1 by Cl/I exchange. The crystals of 2 are pale yellow at −30°C, but at room temperature light brown; they decompose above 50°C. The P‐I bond, which is without precedent, is 245.8(3) pm long.
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