| 摘要 |
PCT No. PCT/GB93/01016 Sec. 371 Date Dec. 6, 1994 Sec. 102(e) Date Dec. 6, 1994 PCT Filed May 19, 1993 PCT Pub. No. WO93/25632 PCT Pub. Date Dec. 23, 1993A novel LCP material based on di-esters of itaconic acid is disclosed having general formula (I), where R1 and R2 may or may not be the same and have general structure (II); (a)=(b), (c), (d); p=2 to 14; q=0 or 1; r=1 or 2; s=1 or 2; X =O, CO2, O2C, CH2; Y=C2H4, O, CO2, O2C; Z=CN, halogen, R, CO2R, OR, O2CR; wherein R=chiral or achiral; excluding X=O and X=CH2 when A=phenyl, r=s=1, Y=CO2, O2C, q=1 and Z=CN, R, CO2R, OR.
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