文献类型：专利

英文题名：Spiro oxazone derivative containing naphthalimide unit

作者：ZHU W;MENG X;ZHANG Y;TIAN H

机构：[1]UNIV EAST CHINA SCI & TECHNOLOGY

申请号：CN100430404-C

公开日：2008-11-05

语种：英文

收录：DERWENT

摘要：NOVELTY - The invention relates to a spiro-oxazine derivant with naphthoylimine unit of structure formula shown as (1), which is prepared as: using 4-bromo-1, 8-anhydride naphthalene or 1, 8-anhydride naphthalene as initial material, nitrifying or sulfonating, amidating, reducing, and condensing. The open-loop body of the product has much longer life with 400s half-life in cyclohexane liquid near bistable form, and can it is good information storage material. Wherein, in formula (1), Ra+Rb is formula (2); R2 is H and alkyl or phenyl of C1~C12; R1 is H and alkyl of C1~C12; R3 and R4 are selected from H or alkyl of C1~C12 respectively; R5, R6, R7, and R8 are selected from H, C1~C12 alkyl, C1~C12 alkoxy, nitro, halogen, piperidine or cyano, respectively; or, R5+R6, R6+R7 or R7+R8 is 5~6 membered carbocyclic ring or hetero ring with at least one N, O or S.