Acetolysis of hexaaryldileads

Das V.G.K. and Wells P.R. (1970) Acetolysis of hexaaryldileads. Journal of Organometallic Chemistry, 23 1: 143-153. doi:10.1016/S0022-328X(00)92807-9

Author Das V.G.K.
Wells P.R.
Title Acetolysis of hexaaryldileads
Journal name Journal of Organometallic Chemistry   Check publisher's open access policy
ISSN 0022-328X
Publication date 1970
Sub-type Article (original research)
DOI 10.1016/S0022-328X(00)92807-9
Volume 23
Issue 1
Start page 143
End page 153
Total pages 11
Subject 1303 Specialist Studies in Education
1501 Accounting, Auditing and Accountability
1604 Human Geography
1605 Policy and Administration
1606 Political Science
2501 Materials Science (miscellaneous)
2505 Materials Chemistry
Abstract The acetolyses of hexaaryldileads (XC6H4)6Pb2 in which X is H, p-CH3O, m- and p-CH3, m- and p-Cl and 2,5-(CH3)2, have been examined kinetically at 40° in 1 3 acetic acid/dioxane solution. Hexaphenyldilead has been examined also at several temperatures, in two other acetic acid/dioxane solutions and in the presence of various added salts and tetraphenyllead. The results are not consistent with a prior dissociation to tetraaryllead and diaryllead, but correspond to electrophilic CPb cleavage to yield a partially acetoxylated derivative which decomposes to the observed products triaryllead acetate, diaryllead diacetate, lead(II) acetate and aromatic hydrocarbon. Partially acetoxylated derivatives, Ar3Pb2(OCOCH3)3 where Ar is phenyl and p-tolyl, have been prepared in acetic anhydride/acetic acid solution and on the basis of mass spectra are suggested to possess the unsymmetrical (CH3COO)Ar2PbPbAr(OCOCH3)2 structures. Employing 14C labelled materials it has been found that no detectable exchange takes place between hexaphenyldilead and tetraphenyllead in benzene or tetrahydrofuran solution at 40°, nor between hexaphenyldilead and triphenyllead chloride in benzene solution at 40°.
Q-Index Code C1
Q-Index Status Provisional Code
Institutional Status Unknown

Document type: Journal Article
Sub-type: Article (original research)
Collection: Scopus Import
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Created: Tue, 09 Aug 2016, 01:23:01 EST by System User