22-02-2018 дата публикации
Номер: US20180051037A1
Принадлежит:
The present invention relates to photochromic compounds, such as thienochromene compounds represented by the following Formulas (1a) and/or (1b). The present invention also relates to photochromic compositions and articles containing one or more such photochromic thienochromene compounds. 4. The photochromic compound of wherein claim 3 ,{'sup': 3', '4', '5', '6, 'claim-text': hydrogen;', 'cyano;', {'sub': 1', '6, 'C-Calkyl;'}, {'sub': 3', '7, 'C-Ccycloalkyl;'}, {'sub': 1', '8, 'C-Cperhaloalkyl;'}, 'fluoro;', 'chloro;', 'bromo,', {'sub': '10', 'claim-text': {'sub': 1', '6', '1', '6', '1', '6', '1', '6', '1', '6, 'substituted or unsubstituted phenyl, the phenyl substituents being selected from at least one of hydroxyl, halogen, C-Calkoxycarbonyl, cyano, C-Chaloalkyl, C-Calkyl, C-Calkoxy, and C-Cperhaloalkyl;'}, '—O—R′; and'}], 'R, R, Rindependently for each n, and Rindependently for each p, are in each case independently selected from,'}{'sup': 7', '8', '7', '8, 'sub': 1', '8', '1', '8', '3', '7, 'Rand Rare each independently selected from hydrogen, C-Calkyl, C-Chaloalkyl, and C-Ccycloalkyl, or Rand Rtogether form a spiro substituent selected from a substituted or unsubstituted spiro-carbocyclic ring containing 3 to 10 carbon atoms; and'} unsubstituted aryl,', {'sub': 1', '6, 'aryl substituted with C-Calkoxy,'}, {'sub': 1', '6, 'aryl substituted with C-Cperhaloalkyl,'}, 'aryl substituted with morpholino, and', 'aryl substituted with piperidino., 'B and B′ are in each case independently selected from,'}5. The photochromic compound of wherein claim 2 ,{'sup': 3', '4', '5', '6, 'independently for Formulas (la) and (lb), one of, Ris, Ris, Ris, Ris, B is substituted with, and B′ is substituted with,'} {'br': None, 'sub': 1', 'c', '1', '2', 'd', 'd′', '2', '3', 'e′', '3', '4', 'f', 'f′', '5, '—[S]-[Q-[S]]-[Q-[S]e]-[Q-[S]]—S—P\u2003\u2003Formula (III)'}, 'in each case independently, a group L represented by the following Formula (III),'}wherein:{'sub': 1', '2', '3, '(a) Q, Q ...
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