| Patent Number |
Title Of Patent |
Date Issued |
| 4670437 |
Antiviral pyridazine hydrazones |
June 2, 1987 |
| This invention provides antiviral pyridazinyl hydrazones of the formula ##STR1## wherein when taken singly, R is H, CH.sub.3 or C.sub.2 H.sub.5 ; and R.sup.1 is thienyl, halothienyl, pyridyl, methylthienyl, furyl, indolyl, tolyl, xylyl, biphenyl, C.sub.1 -C.sub.4 alkoxyphenyl, 1-adam |
| 4619686 |
Pyridazinylurea compounds and methods of use as herbicides |
October 28, 1986 |
| This invention describes noval pyridazinylurea compounds, which are useful as herbicides. |
| 4604127 |
Herbicidal pyridazinylimidazolidinone compounds |
August 5, 1986 |
| This invention describes novel pyridazinylimidazolidinone compounds, which are useful as herbicides. |
| 4600430 |
Pyridinylimidazolidinone compounds |
July 15, 1986 |
| This invention discloses novel pyridinylimidazolidinone compounds, which are useful as herbicides. |
| 4411753 |
Synthesis of 6-t-alkyl-3-pyridazinones |
October 25, 1983 |
| A class of 6-t-alkyl-3-pyridazinones are prepared from 3-t-alkanoyl-2-propenoic acids by irradiation with strong light and reaction with hydrazine. |
| 4398044 |
Synthesis of acetyl-T-alkanes |
August 9, 1983 |
| Acetyl-tertiary-alkanes are prepared by hydrolytic decarboxylation of tertiary-alkanoylacetonitriles with hydrochloric acid. |
| 4319916 |
3-Acyl-5-phenyl-4(1H)-pyridinones and their use as herbicides |
March 16, 1982 |
| A series of novel 1-alkyl-3-acyl-5-substituted-phenyl-4(1H)-pyridinones are herbicides, particularly useful in the culture of cotton. |
| 4288624 |
Acylation or sulfenylation process |
September 8, 1981 |
| A process or acylating or sulfenylating 1-amino-2-phenyl-1-butene-3-ones to prepare the corresponding 4-acyl or 4-substituted-thio compounds provides intermediates useful for preparing herbicides. |
| 4264600 |
Treatment of influenza with 2-estersubstituted-3,4-dihydro-3-oxoquinoxalines |
April 28, 1981 |
| 3,4-Dihydro-3-oxoquinoxalines carrying a carboxylic acid or ester function in the 2 position, used as antiviral agents, particularly against influenza virus, both A and B strains. |
| 4252954 |
Salts of dihalo-3,4-dihydro-3-oxo-2-quinoxaline carboxylic acids and hindered amines |
February 24, 1981 |
| Salts of 6,7-dihalo-3,4-dihydro-3-oxo-2-quinoxaline carboxylic acids and hindered amines, useful in combating influenza A and B. |
| 4175087 |
.alpha.,.beta.-Unsaturated ketones and aldehydes and method of preparation |
November 20, 1979 |
| .alpha.,.beta.-Unsaturated ketones and aldehydes, together with a method of preparation thereof which comprises reacting aldehydes and cyclic and acyclic ketones possessing a methyl or methylene group .alpha.- to the carbonyl function with N,N-dialkylformamide dialkyl acetal to yield the |
| 4133956 |
Preparation of benzoylureas |
January 9, 1979 |
| Benzoylureas are prepared from a benzamide, an alkyllithium, a phenyl chloroformate, and an amine. Two reaction sequences are described. The benzoylureas obtained by the process are useful as insecticides. |
| 4127581 |
Method for the preparation of 3-phenyl-5-substituted-4(1H)-pyridones |
November 28, 1978 |
| A class of herbicidal 3-phenyl-5-substituted-4(1H)-pyridones are prepared from .beta.-aminostyrenes by reaction with bromoacetyl bromide to form an .alpha.-bromoacetyl-.beta.-aminostyrene which is reacted with an anion to form a .alpha.-substituted acetyl-.beta.-aminostyrene which is the |
| 4075000 |
Herbicidal use of 4-amino-3,3-dimethyl-1-phenyl-2-azetidinones |
February 21, 1978 |
| A class of 4-amino-3,3-dimethyl-1-phenyl-2-azetidinones reduce the vigor of unwanted herbaceous plants to which the compounds are applied. The compounds are effective when applied either preemergence or postemergence at rates from about 2 to about 20 kg./ha. |
| 4013658 |
Synthesis of 3,5-diphenyl-4(1H)-pyridazinones |
March 22, 1977 |
| A series of 3,5-diphenyl-4(1H)-pyridazinones are synthesized by a two-step process, both steps of which are new. In the first step, a phenylglyoxyloyl halide is reacted with a styrylamine in the presence of a base to form a 1-amino-2,4-diphenyl-1-buten-3,4-dione. In the second step, |
| 3967952 |
3,5-Diphenyl-4(1H)-pyridazinones(thiones) |
July 6, 1976 |
| A series of 3,5-diphenyl-4(1H)-pyridazinones and thiones are useful for reducing the vigor of unwanted herbaceous plants. The compounds are effective when applied either preemergence or postemergence to the unwanted plants. The compounds bear 1-alkyl substituents, and the phenyl ring |
