Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – From sulfur-containing reactant
Patent
1995-04-18
1996-05-07
Dodson, Shelley A.
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
From sulfur-containing reactant
528 49, 528 60, 528 85, 528321, C08G 7500
Patent
active
055147704
ABSTRACT:
A composition of matter having nonlinear optical activity and the method of preparing the same of the following general formula: ##STR1## wherein the benzene nuclei may be substituted and wherein R.sub.1 and R.sub.2 are selected from the group consisting of:
REFERENCES:
patent: 1965776 (1934-07-01), Lantz
patent: 2044045 (1936-06-01), Baldwin et al.
patent: 5075409 (1991-12-01), Barthelemy et al.
Grob, C. A. and P. Brenneisen, "Die Synthese von 4-Brom-und 4-Hydroxy-chinuclidin", Helv. Chim. Acta (1958) p. 1184.
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