Acetic Anhydride → HCID 68915138, 화합물

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A pyridine solution of 3-({[tert-butyl(dimethyl)silyl]oxy}methyl)-4-phenylpyrrolidine which had been synthesized from methyl trans-cinnamate, in accordance with the technique of Ling et al. (“Tetrahedron”, 2001, vol. 57,p. 6579-6588) and the method of International Patent Publication WO 2000/59502, was mixed with acetic anhydride and stirred at room temperature for 2Hours. After completion of the reaction, this was concentrated under a reduced pressure with toluene azeotropy, and THF and 1 M THF solution of TBAF were added to the thus obtained residue and stirred overnight at room temperature. Thereafter, its work-up and purification were carried out in the standard method to obtain (1-acetyl-4-phenylpyrrolidin-3-yl)methanol. EP: 220.

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