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Preparation of optically active pyrimidylalkyl alcohols by self-catalytic reaction, and preparation of optically active substances by using the catalysts: Preparation of optically active pyrimidylalkyl alcohols by self-catalytic reaction, and preparation of optically active substances by using the catalysts. Soai, Kenzo; Kobata, Yasunori (Nihon Surfactant Kogyo Kk, Japan). Jpn. Kokai Tokkyo Koho JP 09025269 A2 28 Jan 1997 Heisei, 8 pp. (Japanese). (Japan). CODEN: JKXXAF. CLASS: ICM: C07D239-26. ICS: B01J031-02; C07B061-00; C07M007-00. APPLICATION: JP 1995-199082 12 Jul 1995. DOCUMENT TYPE: Patent CA Section: 28 (Heterocyclic Compounds (More Than One Hetero Atom)) Section cross-reference(s): 25 Optically active pyrimidylalkyl alcs. I (R = linear or branched C1-22 alkyl, alkenyl), useful as catalysts in prepn. of optically active substances by asym. reactions, are prepd. by self-catalytic reaction. 5-Pyrimidinecarboxaldehyde was treated with diisopropylzinc and (S)-(-)-2-methyl-1-(5-pyrimidyl)propan-1-ol (II, 92.5% e.e.) in MePh at 0° for 66 h to give 63.14% II with optical purity 90.43%.