Organic compounds -- part of the class 532-570 series – Organic compounds – Chalcogen in the nitrogen containing substituent
Patent
1987-07-23
1989-03-28
Raymond, Richard L.
Organic compounds -- part of the class 532-570 series
Organic compounds
Chalcogen in the nitrogen containing substituent
350354, 252586, C07D49810
Patent
active
048165840
ABSTRACT:
Described are photochromic spiro(indoline)benzoxazine compounds having substituents on the benzoxazine portion of the compound, and their use in plastic hosts to impart a photochromic response thereto.
REFERENCES:
patent: 3407145 (1968-10-01), Brule
patent: 3562172 (1971-02-01), Ono et al.
patent: 3578602 (1971-05-01), Ono et al.
patent: 3843550 (1974-10-01), Hinnen
patent: 3980480 (1976-09-01), Laridon
patent: 4215010 (1980-07-01), Hovey et al.
patent: 4289497 (1981-09-01), Hovey
patent: 4342668 (1982-08-01), Hovey et al.
patent: 4440672 (1984-04-01), Chu
patent: 4634767 (1987-01-01), Hoelscher et al.
patent: 4636561 (1987-01-01), Hosoda
patent: 4637698 (1987-01-01), Kwak et al.
Arnold, et al, Tetrahedron, 27 (1971), pp. 1699-1713 "Spektroskopische strukturuntersuchunger . . . ".
Balli et al, Chemical Abstracts, 95:80769g (1981).
Techniques of Chemistry, vol. III, Photochromism, G. H. Brown, Ed., Chapter 3 by Robert C. Bertelson, pp. 44-49, 54, 92 and 415, Wiley-Interscience, New York (1971).
Organic Synthesis, Collective vol. I, Henry Gilman, Ed., John Wiley and Sons, Inc., N.Y., 1932, pp. 411-412.
"A New Chemical Reaction with the Nitrosyl Radical NOH", O. Baudisch. Science, vol. 92, pp. 336-337 (1940).
"Preparation of o-Nitrosophenols from Benzene or Other Aromatic Hydrocarbons at Room Temperature", O. Baudisch, J. Amer. Chem. Soc., 63, 622 (1941).
"o-Nitrosophenols I.", G. Cronheim, J. Org. Chem., 12, pp. 1-7 (1947).
"o-Nitrosophenols II.", G. Cronheim, J. Org. Chem., 12, pp. 7,14,17-18 (1947).
Chen Chin-Wen
Kwak Won S.
PPG Industries Inc.
Raymond Richard L.
Stein Irwin M.
LandOfFree
Photochromic spiro(indoline)benzoxazines does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Photochromic spiro(indoline)benzoxazines, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Photochromic spiro(indoline)benzoxazines will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-1660453