Chemical Abstracts, vol. 118, No. 17, Apr. 26, 1993 Columbus, Ohio, US; abstract No. 168830z, T. Kusumoto et al.: "preparation of optically active cyano-containing benzoate compounds as liquid crystal compositions" p. 851: XP002008390 see abstract & JP,A,04 211 043 (Dainippon Ink and Chemicals) Aug. 3, 1992. |
Tetrahedron Letters, vol. 36, No. 7, 1995, pp. 1071-1074, XP002008389 T. Kusumoto et al.: "anti-selective alkylation of carboxylate enolates with 2-sulfonyloxyalkanes: a new route to 2-sulfonyloxyalkanes; a new route to optically active 2-arylalkanoic acids" see p. 107, line 11 -line 21. |
Database WPI Week 9141 Derwent Publications Ltd., London, GB; AN 91-300262 XP002008391 & JP,A,03 200 755 (Dainippon Ink; Sagami see p. 361 & Chemical Research Center) see p. 361 & Chemical Abstracts, vol. 116, No. 14, Apr. 6, 1992 Columbus, Ohio, US; abstract No. 140767, Takehara et al: "optically active compounds for liquid crystal compositions for display devices" see p. 799; see abstract. |