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Inventor:
Cho; Eui-Hwan
Address:
Seoul, KR
No. of patents:
10
Patents:












Patent Number Title Of Patent Date Issued
7851479 Use of pyrimidinedione derivative for preventing or treating hepatitis C December 14, 2010
A pyrimidinedione derivative of formula (I) or a pharmaceutically acceptable salt thereof exhibits excellent inhibitory activity against hepatitis C virus.
7230105 9-aminoacridine derivatives and process for the preparation thereof June 12, 2007
The present invention relates to a new 9-aminoacridine derivative which exhibits prominent antitumor activity and low toxicity.
6683184 Piperazine derivatives and process for the preparation thereof January 27, 2004
The present invention relates to a novel compound of formula (I) and its pharmaceutically acceptable acid addition salt, and process for the preparation thereof, which have strong antitumor activities and very low toxicity: ##STR1## wherein R.sub.1 and R.sub.2 are independently hy
6620936 9-aminoacridine derivatives and process for the preparation thereof September 16, 2003
The present invention relates to new 9-aminoacridine derivatives of general formula (I), wherein A is hydrogen or (II) (wherein X is oxygen or sulfur, R.sub.1, R.sub.2, R.sub.3, R.sub.4 and R.sub.5 are independently hydrogen, halogen, nitro, amino, hydroxy, C.sub.1 -C.sub.4 lower alkylhy
6274732 Process for the preparation of 1-[(cyclopent-3-en-1-yl)-methyl]-5-ethyl-6-(3,5-dimethylbenzoyl)- August 14, 2001
A process for the preparation of the compound of the formula (I) by reacting a compound of the formula (IV) with a compound of the formula (III). ##STR1##wherein Lie is a leaving group; and a compound of formula (IV): ##STR2##
6136815 Antiviral 2,4-pyrimidinedione derivatives and process for the preparation thereof October 24, 2000
6-aryloxy and 6-arylcarbonyl 2,4-pyrimidinedione derivatives of the formula(I) having high antiviral activity against HIV-1 and low toxicity are useful for treating AIDS: ##STR1## wherein: R.sup.1 is hydrogen or a C.sub.1-10 alkyl group optionally having a substituent selected fr
6028195 Piperazine derivatives and process for the preparation thereof February 22, 2000
The present invention relates to novel compound having strong antimumor activities of the general formula(I) ##STR1## wherein R.sub.1 and R.sub.2 are independently hydrogen, substituted or unsubstituted C.sub.1 -C.sub.8 alkyl, substituted or unsubstituted C.sub.3 -C.sub.6 cycloal
5922727 Antiviral substituted pyrimidinedione homocarbocyclic nucleoside derivatives and methods for the July 13, 1999
The present invention relates to novel compound of general formula (I) and pharmaceutically acceptable salts thereof, and process for the preparation of such derivatives and to pharmaceutical compositions containing the same as active ingredients. ##STR1## wherein R.sub.1, R.sub.
5780472 Piperazine derivatives and methods for the preparation thereof and compositions containing the s July 14, 1998
The present invention relates to novel compound of the general formula(I) and acid addition salt thereof. ##STR1## wherein R.sub.1 and R.sub.2 are independently hydrogen, C.sub.1 -C.sub.8 alkyl or optionally substituted C.sub.3 -C.sub.6 membered cycloalkyl containing C.sub.3 -C.s
5747521 N-cinnamoyl-2-methyl-5-methoxy-3-indoleacetic acid ester, and pharmaceutical preparation contain May 5, 1998
The present invention relates to a new N-cinnamoyl-2-methyl-5-methoxy-3-indoleacetic ester represented by the following general formula (I). It is manufactured by causing N-cinnamoyl-2-methyl-5-metboxy-3-indoleacetic acid represented by the following general formula (II) or a reactiv










 
 
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