| 摘要 |
PCT No. PCT/JP94/00384 Sec. 371 Date Nov. 14, 1994 Sec. 102(e) Date Nov. 14, 1994 PCT Filed Mar. 10, 1994 PCT Pub. No. WO94/20502 PCT Pub. Date Sep. 15, 1994.The present invention relates to a spiropyran compound represented by the formula (1); an optically active spiropyran compound wherein an asymmetric center is introduced on a spirocarbon; and optical functional materials using these compounds, <IMAGE> (1) wherein R1 is alkyl group having 1 to 20 carbon atoms, aralkyl group, hydroxyethyl group, methacryloxymethyl group or methacryloxyethyl group; R2, R3, R4 and R5 are the same or different and are each hydrogen atom, alkyl group having 1 to 6 carbon atoms, aryl group, aralkyl group, alkoxy group having 1 to 5 carbon atoms, hydroxymethyl group, carboxyl group, halogen atom, amino group, cyano group, trichloromethyl group, trifluoromethyl group or nitro group; R6 and R7 are the same or different and are each hydrogen atom, alkyl group having 1 to 6 carbon atoms, aryl group, aralkyl group, halogen atom, cyano group or nitro group; R6 is alkyl group having 1 to 6 carbon atoms, hydroxymethyl group, carboxyl group, methoxycarbonyl group, methacryloxymethyl group or vinyl group; at least one of R1 to R8 is substituted with a substituent having properties as a reagent for optical resolution; and X is oxygen atom or sulfur atom.
|
