Drug – bio-affecting and body treating compositions – Antigen – epitope – or other immunospecific immunoeffector – Virus or component thereof
Patent
1975-06-11
1977-11-15
Turner, V. D.
Drug, bio-affecting and body treating compositions
Antigen, epitope, or other immunospecific immunoeffector
Virus or component thereof
424205, 260928, 260942, A01N 936, C07F 902
Patent
active
040586057
ABSTRACT:
Novel compounds having the formula: ##STR1## or mixtures thereof, wherein R.sub.1 and R.sub.2 are C.sub.1-20 hydrocarbyl groups which may be the same or different, or one of R.sub.1 and R.sub.2 may be hydrogen, and R.sub.3 and R.sub.4 are methyl or hydrogen, and may be the same or different, can be prepared by the reaction of an alkyl ester, preferably the methyl ester, of polymethylmuconic acid with (C.sub.2 H.sub.5 O).sub.2 PSSH, the reaction product of ethanol and phosphorus pentasulfide.
REFERENCES:
patent: 2578652 (1951-12-01), Cassaday
patent: 3431325 (1969-03-01), Greenbaum
patent: 3883618 (1975-05-01), Oswald et al.
Chemical Abstracts, Vol. 74 (1971), p. 14099c.
Back Stanford M.
Hess J. Edward
Johnson Donald R.
Sun Ventures, Inc.
Turner V. D.
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