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Inventor: Li; Wanren
Address: Etobicoke, CA
No. of patents: 9
Patents:
| Patent Number |
Title Of Patent |
Date Issued |
| 7410985 |
Cycloalkyl derivatives of 3-hydroxy-4-pyridinones |
August 12, 2008 |
| The present invention provides an cycloalkyl derivative of 3-hydroxy-4-pyridinone which is useful for the chelation of metal ions such as iron. Its preparation and use is described. In particular, the invention concerns the removal of iron in chemical and biological systems including |
| 6476229 |
Processes for the manufacturing of 3-hydroxy-N,1,6-trialkyl-4-oxo-1,4-dihydropyridine-2-carboxam |
November 5, 2002 |
| The present invention relates to a novel process for the preparation of 3-hydroxy-N,1,6-trialkyl-4-oxo-1,4-dihydropyridine-2-carboxamide of formula I: ##STR1##The method comprises of the TEMPO oxidation of a primary alcohol of 3-O-protected-2-hydroxymethyl-6-alkyl-4H-pyran-4-one of f |
| 6472532 |
Processes for the manufacturing of 3-hydroxy-n,1,6-trialkyl-4-OXO-1,4-dihydropyridine-2-carboxam |
October 29, 2002 |
| The present invention relates to a novel process for the preparation of 3-hydroxy-N,1,6-trialkyl-4-oxo-1,4-dihydropyridine-2-carboxamide of formula I: ##STR1##The method comprises of the TEMPO oxidation of a primary alcohol of 3-O-protected-2-hydroxymethyl-6-alkyl-4H-pyran-4-one of f |
| 6468977 |
Thiadiazole compounds useful as inhibitors of cysteine activity dependent enzymes |
October 22, 2002 |
| Novel 1,2,4-thiadiazole compounds are provided, which are effective as inhibitors of cysteine activity-dependent enzymes and in particular of cysteine proteases. The compounds are useful in treating acne by inhibition of transglutaminase, common cold by inhibition of human rhinovirus |
| 6426418 |
Processes for the manufacturing of 3-hydroxy-N,1,6-trialkyl-4-oxo-1,4-dihydropyridine-2-carboxam |
July 30, 2002 |
| The present invention relates to a novel process for the preparation of 3-hydroxy-N,1,6-trialkyl-4-oxo-1,4-dihydropyridine-2-carboxamide of formula I: ##STR1##The method comprises of the TEMPO oxidation of a primary alcohol of 3-O-protected-2-hydroxymethyl-6-alkyl-4H-pyran-4-one of f |
| 6162791 |
Thiadiazole compounds useful as inhibitors of cysteine activity dependent enzymes |
December 19, 2000 |
| Novel 1,2,4-thiadiazole compounds are provided, which are effective as inhibitors of cysteine activity-dependent enzymes and in particular of cysteine proteases. The compounds are useful in treating acne by inhibition of transglutaminase, common cold by inhibition of human rhinovirus |
| 6114537 |
Process for scavenging thiols |
September 5, 2000 |
| Thiols are trapped, and converted to disulfide compounds, by a process of reacting them with compounds containing a 1,2,4-thiadiazole ring structure carrying a substituent at position 3 of the thiadiazole ring, and being unsubstituted at position N-2. The process is useful pharmacologica |
| 6060472 |
Thiadiazole compounds useful as inhibitors of H.sup.+ /K.sup.+ atpase |
May 9, 2000 |
| Novel 3,5-disubstituted 1,2,4-thiadiazole compounds are provided, which are effective in treating peptic ulcers by the inhibition of H.sup.+ /K.sup.+ -ATPase. The compounds of the present invention are 3,5-disubstituted 1,2,4-thiadiazole corresponding to the general formula (I): ##ST |
| 5677302 |
Thiadiazole compounds useful as proton pump inhibitors |
October 14, 1997 |
| Novel thiadiazole compounds are provided, which are effective as proton pumps inhibitors, useful in treating peptic ulcers by inhibition of the proton pump enzyme H.sup.+ /K.sup.+ -ATPase. The compounds are 3-substituted 1,2,4-thiadiazolo [4,5-.alpha.]benzimidazole and 3-substituted |
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