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ChemInform Abstract: Highly Enantioselective Phase Transfer Catalyzed Alkylation of a 3-Oxygenated Propionic Ester Equivalent: Applications and Mechanism.

✍ Scribed by E. J. Corey; Yunxin Bo; Jakob Busch-Petersen


Publisher
John Wiley and Sons
Year
2010
Weight
33 KB
Volume
30
Category
Article
ISSN
0931-7597

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ChemInform Abstract: Phase Transfer Cata
✍ M. A. HASSAN; D. DOEPP πŸ“‚ Article πŸ“… 2010 πŸ› John Wiley and Sons βš– 32 KB πŸ‘ 2 views

Phase Transfer Catalyzed C-vs O-Alkylation of 3-Methyl-1-phenyl-2-pyrazolin-5-one in the Absence or Presence of Carbon Disulfide. -Title compound (I) is treated with different bromoorganic compounds as alkylating agents. Alkylation of pyrazolone (I) by bromoacetaldehyde diethylacetal fails because