引用本文:
Shrong Shi LIN, Jian Mei WANG, Xuan WANG, Cheng Yong LI. Preparation and Reactions of Pyridinium Ylids via Decarboxylation of Pyridinium Betaines[J]. Chinese Chemical Letters,
2002, 13(7): 597-600.
Citation: Shrong Shi LIN, Jian Mei WANG, Xuan WANG, Cheng Yong LI. Preparation and Reactions of Pyridinium Ylids via Decarboxylation of Pyridinium Betaines[J]. Chinese Chemical Letters, 2002, 13(7): 597-600.
Citation: Shrong Shi LIN, Jian Mei WANG, Xuan WANG, Cheng Yong LI. Preparation and Reactions of Pyridinium Ylids via Decarboxylation of Pyridinium Betaines[J]. Chinese Chemical Letters, 2002, 13(7): 597-600.
Preparation and Reactions of Pyridinium Ylids via Decarboxylation of Pyridinium Betaines
摘要:
Pyridinium ylids 4 were generated as reaction intermediates from the decarboxylation of pyridinium bctaincs 3, which were preparcd from the reactions of α-amino acid ester hydrochlorides with 2,4,6-triphenylpyrylium tetrafluoroborate. Protonation, addition and substitution reactions of 4 with electrophiles werc studied in this paper.
English
Preparation and Reactions of Pyridinium Ylids via Decarboxylation of Pyridinium Betaines
Abstract:
Pyridinium ylids 4 were generated as reaction intermediates from the decarboxylation of pyridinium bctaincs 3, which were preparcd from the reactions of α-amino acid ester hydrochlorides with 2,4,6-triphenylpyrylium tetrafluoroborate. Protonation, addition and substitution reactions of 4 with electrophiles werc studied in this paper.
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Key words:
- Pyridinium betaine
- / pyridinium ylid
- / decarboxylation
- / electrophile
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