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| Number | Title | Issue Date |
| 4025642 | Substituted 2H-pyran-2, 6(3H)-dione derivatives Substituted 2H-pyran-2,6(3H)-dione derivatives useful in the treatment of allergic conditions are prepared by reaction of 3,5-diacetyl-4,6-dihydroxy-2H-pyran-2-one with an appropriate aniline.... | 05/24/1977 |
| 4017633 | Substituted 3-(1-aminoethylidene)-5-cinnamoyl-2H-pyran-2,6(3H)-diones Substituted 3-(1-aminoethylidene)-5-cinnamoyl-2H-pyran-2,6(3H)-diones useful as inhibitors of certain antigen-antibody reactions, particularly in alleviating allergic manifestations such as asthma, are prepared by reaction of a 3-(1-aminoethylidene)-5-ace... | 04/12/1977 |
| 4015009 | Pharmaceutical compositions comprising substituted 3-cinnamoyl-2H-pyran-2,6(3H)-diones Pharmaceutical compositions comprising a substituted 3-cinnamoyl-2H-pyran-2,6(3H)-dione and methods of inhibiting the antigen-antibody reaction by administering said compositions. Certain of the 3-cinnamoyl-2H-pyran-2,6(3H)-diones are novel compounds per ... | 03/29/1977 |
| 3987187 | Fungicidal dispersions of 2-methyl-5,6-dihydropyran-3-carboxylic acid anilide Dispersions of 2-methyl-5,6-dihydropyran-3-carboxylic acid anilide in paraffinic mineral oils, liquid triglycerides and/or liquid esters of C1 to C12 monoalcohols have an improved effect against rust diseases and an extended spectrum... | 10/19/1976 |
| 3974290 | Vasodilating and antihypertensive compositions and methods of effecting vasodilation and treating hypertension utilizing 2-amino-4H pyrane as the active agent 2-Amino-4 H-pyrane derivatives of the formula ##SPC1## Wherein R1 and R2 are the same of different and each is hydrogen or straight- or branched-chain alkyl; R3 is straight- or branched-chain alkyl, phenyl or --COOR' wherein R'... | 08/10/1976 |
| 3968236 | 2-Aminomethyl-5-hydroxy-4H-pyran-4-one and derivatives thereof The 2-aminomethyl-5-hydroxy-4H-pyran-4-ones of the present invention are disclosed to have pharmaceutical utility as skeletal muscle relaxants. Also disclosed are processes for the preparation of such pyranones; pharmaceutical compositions comprising such... | 07/06/1976 |
| 3957828 | 3-Aminoalkyl-1,3-dihydro-3-phenylspiro[isobenzofurans] Substituted 3-aminoalkyl-1,3-dihydro-3-phenylspiro[isobenzofurans] possessing tranquilizing properties, and process for the preparation thereof are described.... | 05/18/1976 |
