Organic compounds -- part of the class 532-570 series – Organic compounds – Amino nitrogen containing
Patent
1988-08-05
1990-03-27
Raymond, Richard L.
Organic compounds -- part of the class 532-570 series
Organic compounds
Amino nitrogen containing
564374, 564434, 564442, 564443, C07C 9314
Patent
active
049122592
ABSTRACT:
A pentadiene compound of the formula: ##STR1## wherein each of R.sub.1, R.sub.2, R.sub.3 and R.sub.4 is a C.sub.1 -C.sub.4 alkyl group or a substituted or unsubstituted aryl or aralkyl group, R.sub.5 is an alkyl group, and X is a hydrogen atom, a C.sub.1 -C.sub.4 alkyl group, a C.sub.1 -C.sub.4 alkoxy group or a halogen atom.
REFERENCES:
patent: 3954887 (1976-05-01), Wilke et al.
patent: 4770973 (1988-09-01), Kanda et al.
Grif et al, Zh. Org. Khim, vol. 15 No. 12 (1979) pp. 2262-2267 (Eng. trans.).
Chemical Abstracts, vol. 92, No. 15, Apr. 14, 1980, p. 91, "Direction of Nucleophilic Addition to Polymethine Dyes", V. Kh. Grif, et al.
Gonda Michihiro
Kaneko Kazuo
Okano Kensaku
Wakasugi Kazuyuki
Yamaguchi Masahiko
Hodogaya Chemical Co. Ltd.
Raymond Richard L.
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