- Chemoselective synthesis of biheterocyclic skeletons tetrahydro-1H-pyrrolo[1,2-c]imidazole and tetrahydropyrrolo[1,2-c]thiazole derivatives via multicomponent self-sorting domino strategy
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Abstract A highly efficient chemoselective synthesis of multifunctionalized tetrahydro-1H-pyrrolo[1,2-c]imidazole and tetrahydropyrrolo[1,2-c]thiazole derivatives has been established from arylglyoxal monohydrates, nitriles, and thioureas. A series of control experiments suggested that this reaction proceeded through the convergent integration of two self-sorting domino sequences. This synthetic strategy is promising for diversity-oriented synthesis of alkaloid analogues.
- Cai, Qun,Jia, Feng-Cheng,Li, Deng-Kui,Xu, Cheng,Ding, Ke-Rong,Wu, An-Xin
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- Synthesis of new 2,5-diamino-1,3-thiazole and 2-thiohydantoin derivatives by condensation of N-(2-Aryl-1-chloro-2-oxoethyl) carboxamides with thioureas
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N-(2-Aryl-1-chloro-2-oxoethyl) carboxamides react under mild conditions with thiourea, N-alkyl-and N-arylthioureas, and various N,N′-disubstituted thioureas, following the Hantzsch reaction scheme. The reactions are selective, and the resulting 2,5-diamin
- Balya,Chernega,But,Vasilenko,Brovarets,Drach
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experimental part
p. 1427 - 1435
(2009/02/07)
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