Novel utilization of organoselenium compounds. I. A facile transformation of fused isoselenazoles to fused pyridines.
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Fused ring aziridines as a facile entry into triazole fused tricyclic and bicyclic heterocycles.
The intramolecular dipolar cycloaddition of an azide with an alkyne has provided a useful entry into triazole fused tricyclic heterocycles containing both the triazole ring and the oxazolidin-2-one ring system. The requisite azido-alkynes have been prepared via a two-step sequence from fused ring aziridines. A series of 6-12 membered rings containing both the oxazolidinone and triazole rings ha...
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The highly accelerated synthesis of thienopyrimidinones, theinopyrimidines, thioxotheinopyrimidinones and a thienotriazolopyrimidinone derivatives under microwave irradiation is reported. Compared to conventional conditions, microwaves method offered several advantage likes short time, good yields, simple procedure, mild conditions and easy workup. The structure of synthesized compounds have be...
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Organoselenium compounds are important tools in the field of synthetic chemistry because their specific reactivities have been used as the key reactions in the synthesis of various organic compounds. Nucleophilic organoselenium reagents are frequently utilized to introduce a selenium atom into organic molecules. However, there is no method available for the direct transformation of a hydroxy gr...
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A series of eight 5-aryl/heteryl-7,8,13,14-tetrahydrodibenzo[a,i]phenanthridines, another series of seven novel 5aryl/heteryl-1,2,3,6,7,8-hexahydrodicyclopenta[b,d]pyridines and two hitherto unknown bridged 2,4-diaryl-3azabicyclo[3.2.1]octan-8-ones have been synthesised by the condensation of α-tetralone and various aryl/heteryl aldehydes, cyclopentanone and same aryl/heteryl aldehydes and cycl...
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ژورنال
عنوان ژورنال: Chemical and Pharmaceutical Bulletin
سال: 1985
ISSN: 0009-2363,1347-5223
DOI: 10.1248/cpb.33.3065