Preparation and Peactions of Pyridinium Ylids via Decarboxylation of Pyridinium Betaines |
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作者姓名: | ShrongShiLIN JianMeiWANG |
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作者单位: | CollegeofChemicalandMolecularEngineering,PekingUniversity,Beijing100871 |
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摘 要: | Pyridinium ylids 4 were generated as reaction intermediates from the decarboxylation of pyridinium betaines 3, which were prepared from the reactions of α-amino acid ester hydrochlorides with 2,4,6-triphenylpyrylium tetrafluoroborate. Protonation,addition and substitution reactions of 4 with electrophiles were studied in this paper.
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关 键 词: | 制备 脱羧作用 吡啶内铵盐 吡啶甜菜碱 吡啶内翁盐 |
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