Diphosphenes | Wikipedia audio article
Channel: wikipedia tts
Date: 08/12/2018

This is an audio version of the Wikipedia Article:
Diphosphenes


00:00:42 1 Synthesis
00:00:51 1.1 Synthesis of Aryl-Substituted Diphosphene
00:02:29 1.2 Synthesis of Alkyl-Substituted Diphosphene
00:03:02 1.3 Synthesis of Boryl-Substituted Diphosphene
00:04:11 2 Structures and Bondings
00:04:21 2.1 Experimental Data
00:05:41 2.2 Spectroscopic Properties
00:06:56 2.3 Natural Bond Orbital (NBO) Analysis
00:08:19 2.4 Atoms in Molecules (AIM) Analysis
00:10:08 2.5 Excited Triplet Diphosphenes
00:11:07 3 Reactivity
00:11:29 3.1 Carbene Involved Reactions
00:11:39 3.1.1 Carbene Addition
00:12:21 3.1.2 Carbene Mediated P=P double bond Cleavage
00:13:12 3.2 Coordination to Transition-metal
00:13:44 3.2.1 ηsup1/sup-Type Complexes
00:15:08 3.2.2 ηsup2/sup-Type Complexes
00:16:09 3.2.3 ηsup6/sup-Type Complexes
00:16:39 3.3 Oxidation
00:17:16 3.4 Reduction
00:17:55 4 See also



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SUMMARY
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Diphosphene is a kind of organophosphorus compound that has a phosphorus-phosphorus double bond, denoted by R-P=P-R'. These compounds are not common but are of theoretical interest. Normally, compounds with the empirical formula RP exist as rings. However, like other multiple bonds between heavy main-group elements, P=P double bonds can be stabilized by a large steric hindrance from the substitutions. The first isolated diphosphene bis(2,4,6-tri-tert-butylphenyl)diphosphene was exemplified by Masaaki Yoshifuji and his coworkers in 1981, in which diphosphene is stabilized by two bulky phenyl group.