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RISPalladium Catalyzed, Multicomponent Synthesis of Fused-Ring Pyrroles from Aryl Iodides, Carbon Monoxide, and Alkyne-Tethered Imines
سال: 2016
خلاصه:
A palladium-catalyzed multicomponent route topolycyclic pyrroles is described. Pd(PtBu3)2was found tocatalyze the coupling of (hetero)aryl iodides, two equivalentsof carbon monoxide and alkyne-tethered imines into 1,3-dipoles ...
Regioselective synthesis of new 5- methyl- 5Hpyrimido [ 4′,5′:4,5] [1,3] thiazino [3,2-a] perimidines
سال: 2017
خلاصه:
A convenient and efficient regioselective synthesis of new pyrimido [4',5':4,5] [1,3]thiazino[3,2-]perimidines is described through intermolecular heterocyclization of 2,4-dichloro-5-(chloromethyl)-6-methylpyrimidine and ...
Synthesis of pyrimido [4′,5′:5,6] [1,4] dithiepino [2,3- b] quinoxalines: Derivatives of a novel seven membered ring system
سال: 2017
خلاصه:
A convenient and efficient procedure for the synthesis of tetracyclic dithiepin derivatives is described
through the condensation reaction of 2,4-dichloro-5-(chloromethyl)-6- methylpyrimidine and quinoxaline-
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