Synthesis of nitrosourea derivatives of pyridine and piperidine as potential anticancer agents
作者:A. Michael Crider、Randall Lamey、Heinz G. Floss、John M. Cassady、William J. Bradner
DOI:10.1021/jm00182a007
日期:1980.8
Nitrosourea derivatives 18-22 which utilize either a piperidine or pyridine ring as a carrier group were synthesized and evaluated for anticanceractivity. N'-(1-Benzyl-4-piperidinyl)-N-(2-chloroethyl)-N-nitosourea hydrogen maleate (19) exhibited good activityagainst intracranial L1210 leukemia as well as the mouse ependymoblastoma brain tumor system. Compound 19 exhibited comparable activity in the
Dinuclear platinum complexes with designer thiolate ligands from the monoalkylation of [Pt2(μ-S)2(PPh3)4]
作者:Oguejiofo T. Ujam、Sarah M. Devoy、William Henderson、Brian K. Nicholson、T.S. Andy Hor
DOI:10.1016/j.ica.2010.07.011
日期:2010.10
Alkylation reactions of the nucleophilic platinum(II) sulfide complex [Pt-2(mu- S)(2)(PPh3)(4)] with functionalised alkylating agents have been investigated as a versatile synthetic route to dinuclear, cationic sulfide-thiolate complexes of the type [Pt-2(mu-S)(mu-SR)(PPh3)(4)](+), extending the range of thiolate complexes that can be prepared using this methodology. A wide range of functional groups can be incorporated, using appropriate alkylating agents, and include ketone, ester, amide, hydrazone, semicarbazone, thiosemicarbazone, oxime, guanidine, urea and thiourea groups. (C) 2010 Elsevier B.V. All rights reserved.