Reaction of 1-(p-Chlorophenyloxycarbonyl)-azetidine with Aromatic Amines

Iwakura, Yoshio; Nishiguchi, Takeshi; Nabeya, Aiko

doi:10.1021/jo01343a512

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-(4-methoxy-2-trimethylsilylphenyl)-3456-tetrahydropyrimidin...1

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2001

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Cited by 10 publications

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“…Attempted purification by flash silica column chromatography failed. Separation by reversed phase preparative HPLC on silica gel (eluting with 80 : 20 MeOH-H 2 O at a flow rate of 15 ml min Ϫ1 ) gave unreacted starting material (HPLC yield: 51%), then 1-( (20), 279 (100), M ϩ 1, 30 Si, 29 Si and 28 Si, respectively]. Finally 1-(3trimethylsilyl-4-methoxyphenyl)-3,4,5,6-tetrahydropyrimidin-2(1H )-one 12h (HPLC yield: 26%) was eluted contaminated with the 2-isomer 12g.…”

Section: -(4-methoxy-2-trimethylsilylphenyl)-3456-tetrahydropyrimidin...mentioning

confidence: 99%