Harness for working animal
Patent
1977-06-07
1978-10-03
Randolph, John D.
Harness for working animal
424263, 424283, 260295T, 260296T, 260297T, 2603409R, 2603452, 2603453, 260590R, 260590D, 260590E, C07D31122, C07D40506
Patent
active
041185595
ABSTRACT:
9-Hydroxyhexahydrodibenzo[b,d]pyrans, 1-substituted-9-hydroxyhexahydrodibenzo[b,d]pyrans wherein the substituent is hydrogen, methyl, hydroxymethyl, formyl, carboxy, carbamyl, amino, mono- and di-alkylamino, alkanoylamino, phenalkylsulfonamido or alkylsulfonamido, and the corresponding 9-ketones, all of which are useful as CNS agents, especially as analgesics and tranquilizers, intermediates therefor the processes for their preparation.
REFERENCES:
patent: 4033845 (1977-07-01), Cohen et al.
Chakravarti, Chem. Abstracts vol. 26, cols. 3794-3795 (1932) (Abst. of J. Indian Chem. Soc. 9, pp. 25-30, 1932).
Johnson Michael Ross
Melvin, Jr. Lawrence Sherman
Pfizer Inc.
Randolph John D.
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