1982
DOI: 10.1016/s0040-4039(00)87671-6
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A new route to bis(2,4,6-tri-tert-butylphenyl)diphosphene via silylated compound

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Cited by 52 publications
(3 citation statements)
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“…The W-P bonds in (2) [2.521( 5) A] are shorter than in [W(CO)s(PBu'3)] [2.686 (4) which contains a very hindered phosphane, and they are slightly longer than those in [W(CO),-{MeP(PMe)5}] [2.502 (7) but the assessment of the significance of the W-P bond length is inhibited by the paucity of results for Wo complexes with P trans to CO. Et, or Bu"), for which the triplet character was attributed to the near equality of the indirect couplings 2 J ( P P ) ( r r ~~~~) and *J(PP)(cis) between the non-equivalent 31P nuclei.…”
Section: "C Gave [Pd((php=pph)[w(co)and}(dppe)]mentioning
confidence: 99%
“…The W-P bonds in (2) [2.521( 5) A] are shorter than in [W(CO)s(PBu'3)] [2.686 (4) which contains a very hindered phosphane, and they are slightly longer than those in [W(CO),-{MeP(PMe)5}] [2.502 (7) but the assessment of the significance of the W-P bond length is inhibited by the paucity of results for Wo complexes with P trans to CO. Et, or Bu"), for which the triplet character was attributed to the near equality of the indirect couplings 2 J ( P P ) ( r r ~~~~) and *J(PP)(cis) between the non-equivalent 31P nuclei.…”
Section: "C Gave [Pd((php=pph)[w(co)and}(dppe)]mentioning
confidence: 99%
“…1,2-Bis(2,4,6-tri-t-butylphenyl)diphosphene reacted with butyllithium to give 1-alkyl-2-butyl-1,2-bis(2,4,6-tri-t-butyl- We recently reported the reaction of 1 with chlorine, 1) m-chloroperbenzoic acid, 9) sulfur, 10) aluminum hydrides,ll) and hexacarbonylchromium(0).12) We now report the reaction of 1 with butyllithium to give lithium phosphinophosphide (2) which afforded diphosphanes (3) after quenching with various alkyl halides. The structures of the sulfides 4 were also chemically confirmed by the cleavage of the P-P bond with hydrogen chloride in benzene giving 5.…”
mentioning
confidence: 90%
“…The triphenylphosphine components also make this kind of carbone quite bulky, which is significant. As shown initially most elegantly by Yoshifuji, 105 but also by Bickelhaupt, 106 Bertrand, 107 Karsch 108 and to a lesser degree Cowley, 109 the use of bulky substituents at phosphorus centres provides the means to access an atypical and rich chemistry that is showing increasing potential. Bertrand 107 has remained impressively present at the forefront of this area, together with Weigand, 10d, 10e…”
Section: Section 33 Reduction By the Use Of Cobaltocenementioning
confidence: 99%