The first free 7λ3-phosphanorbornadiene

Maurice J. Van Eis; Herman Zappey; Franciscus J.J. De Kanter; Willem H. De Wolf; Koop Lammertsma; Friedrich Bickelhaupt

doi:10.1021/ja9942944

The first free 7λ³-phosphanorbornadiene

Maurice J. Van Eis, Herman Zappey, Franciscus J.J. De Kanter, Willem H. De Wolf, Koop Lammertsma, Friedrich Bickelhaupt

Vrije Universiteit Amsterdam

Research output: Contribution to journal › Article › peer-review

22 Citations (Scopus)

Abstract

The first uncoordinated 7λ³-phosphanorbornadiene 10 is reported. This missing member of the class of 7-heteranorbornadienes was prepared by decomplexation of its pentacarbonyltungsten complex 6 with iodine and N- methylimidazole. It is moderately stable at room temperature toward loss of the phosphinidene bridge (PhP:) because the aromatic fragment, [5]metacyclophane (5), is a highly strained compound. For this reason, 10 may be considered to be a hyperstable compound. An analysis of the energetics of the system by density functional calculations supports this rationalization.

Original language	English
Pages (from-to)	3386-3390
Number of pages	5
Journal	Journal of the American Chemical Society
Volume	122
Issue number	14
DOIs	https://doi.org/10.1021/ja9942944
Publication status	Published - 12 Apr 2000
Externally published	Yes

ASJC Scopus subject areas

Catalysis
General Chemistry
Biochemistry
Colloid and Surface Chemistry

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10.1021/ja9942944

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title = "The first free 7λ3-phosphanorbornadiene",

abstract = "The first uncoordinated 7λ3-phosphanorbornadiene 10 is reported. This missing member of the class of 7-heteranorbornadienes was prepared by decomplexation of its pentacarbonyltungsten complex 6 with iodine and N- methylimidazole. It is moderately stable at room temperature toward loss of the phosphinidene bridge (PhP:) because the aromatic fragment, [5]metacyclophane (5), is a highly strained compound. For this reason, 10 may be considered to be a hyperstable compound. An analysis of the energetics of the system by density functional calculations supports this rationalization.",

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AU - Van Eis, Maurice J.

AU - Zappey, Herman

AU - De Kanter, Franciscus J.J.

AU - De Wolf, Willem H.

AU - Lammertsma, Koop

AU - Bickelhaupt, Friedrich

PY - 2000/4/12

Y1 - 2000/4/12

N2 - The first uncoordinated 7λ3-phosphanorbornadiene 10 is reported. This missing member of the class of 7-heteranorbornadienes was prepared by decomplexation of its pentacarbonyltungsten complex 6 with iodine and N- methylimidazole. It is moderately stable at room temperature toward loss of the phosphinidene bridge (PhP:) because the aromatic fragment, [5]metacyclophane (5), is a highly strained compound. For this reason, 10 may be considered to be a hyperstable compound. An analysis of the energetics of the system by density functional calculations supports this rationalization.

AB - The first uncoordinated 7λ3-phosphanorbornadiene 10 is reported. This missing member of the class of 7-heteranorbornadienes was prepared by decomplexation of its pentacarbonyltungsten complex 6 with iodine and N- methylimidazole. It is moderately stable at room temperature toward loss of the phosphinidene bridge (PhP:) because the aromatic fragment, [5]metacyclophane (5), is a highly strained compound. For this reason, 10 may be considered to be a hyperstable compound. An analysis of the energetics of the system by density functional calculations supports this rationalization.

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JO - Journal of the American Chemical Society

JF - Journal of the American Chemical Society

IS - 14

ER -

The first free 7λ³-phosphanorbornadiene

Abstract

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