Title:
CRYSTAL OF COMPOUND HAVING FLUORENE SKELETON AND METHOD FOR PRODUCING SAME
Document Type and Number:
WIPO Patent Application WO/2020/085222
Kind Code:
A1
Abstract:
A crystal of a compound which has a fluorene skeleton represented by formula (1), and which has at least one endothermic peak within the range of from 110°C to 190°C as determined by differential scanning calorimetric analysis. A crystal of this compound is easy to handle; and a resin which is obtained by using the crystal of this compound as a starting material is suppressed in variation in quality. (In the formula, rings Z represent (the same or different) aromatic groups; each of R1 and R2 independently represents a hydrogen atom, a halogen atom or a hydrocarbon group which may contain an aromatic group having 1-12 carbon atoms; each of Ar1 and Ar2 represents an optionally substituted aromatic group having 6-10 carbon atoms; each of L1 and L2 represents an alkylene group; and each of m and n independently represents an integer of 0-5.)
Inventors:
MOYORI YOKO (JP)
TOMONARI YASUHIKO (JP)
TOMONARI YASUHIKO (JP)
Application Number:
PCT/JP2019/041019
Publication Date:
April 30, 2020
Filing Date:
October 18, 2019
Export Citation:
Assignee:
TEIJIN LTD (JP)
International Classes:
C07C43/23; C07C41/30; C07C41/40; C07B61/00
Domestic Patent References:
| WO2009058396A1 | 2009-05-07 | |||
| WO2019151264A1 | 2019-08-08 | |||
| WO2019044214A1 | 2019-03-07 |
Foreign References:
| CN104263287A | 2015-01-07 | |||
| JP2015530364A | 2015-10-15 | |||
| JP2007023016A | 2007-02-01 | |||
| JP2008222708A | 2008-09-25 | |||
| JP2010248095A | 2010-11-04 |
Attorney, Agent or Firm:
TAMEYAMA Taro (JP)
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