Synthesis of silsesquioxanes having photochromic dithienylethene pendant groups
โ Scribed by Hisataka Nakashima; Masahiro Irie
- Publisher
- John Wiley and Sons
- Year
- 1999
- Tongue
- English
- Weight
- 135 KB
- Volume
- 200
- Category
- Article
- ISSN
- 1022-1352
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๐ SIMILAR VOLUMES
Polyimides having pendant carboxyl groups were prepared by a direct one-pot polycondensation of 4,4ะ-(hexafluoroisopropylidene)diphthalic anhydride (6FDA) with 3,5-diaminobenzoic acid (DABz) and bis [4-(3-aminophenoxy)phenyl]sulfone (m-BAPS) in the presence of a โฅ-valerolactone/pyridine catalyst sys
The metathesis polymerization of 1-and 2-ethynylanthracenes (1-EA and 2-EA) and 2-and 3-ethynylphenanthrenes (2-EP and 3-EP) in the presence of various WCl 6 -based catalysts produced widely conjugated soluble polymers with relatively high molecular weights. The highest weight-average molecular weig
A monomer containing a chlorohydrin moiety, propyl chlorohydrin diphenolate (PCHDP), was synthesized. Reactive polyesters having these pendant chlorohydrin moieties were prepared by the interfacial polycondensation of isophthaloyl chloride with PCHDP or with PCHDP and diphenolic acid using phase tra
Photochromic dithiazolylethenes [1,2-bis(5-methoxy-2-phenylthiazol-4-yl)perfluorocyclopentene (1a) and (5-methoxy-2phenylthiazol-4-yl)-2-(5-methyl-2-phenylthiazol-4-yl)perfluorocyclopentene (2a)] having methoxy substituents at the reaction centers were synthesized and their photochromic reactivity w