| 发明名称 |
OXYMETHYLCROWNED SPIROBENZOPYRAN |
| 摘要 |
PROBLEM TO BE SOLVED: To provide a new compound useful as an optical functional material, etc. SOLUTION: The oxymethylcrowned spirobenzopyran expressed by formula (I) (R is, H or a 1-20C alkyl; and n is 0-5).
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| 申请公布号 |
JP2001114784(A) |
申请公布日期 |
2001.04.24 |
| 申请号 |
JP19990291758 |
申请日期 |
1999.10.14 |
| 申请人 |
NATL INST OF ADVANCED INDUSTRIAL SCIENCE & TECHNOLOGY METI |
发明人 |
TANAKA MUTSUO;KAMATA KENJI;ANDO NAONORI;KIMURA KEIICHI |
| 分类号 |
C07D491/107;G03C1/685;(IPC1-7):C07D491/107 |
主分类号 |
C07D491/107 |
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