TW208006B - A production method of 2-substituted methy1-2,3-dihydroimidazole[1,2,c]quinazoline-5(6H)-keto(thioxo) and its usage - Google Patents
A production method of 2-substituted methy1-2,3-dihydroimidazole[1,2,c]quinazoline-5(6H)-keto(thioxo) and its usageInfo
- Publication number
- TW208006B TW208006B TW80107818A TW80107818A TW208006B TW 208006 B TW208006 B TW 208006B TW 80107818 A TW80107818 A TW 80107818A TW 80107818 A TW80107818 A TW 80107818A TW 208006 B TW208006 B TW 208006B
- Authority
- TW
- Taiwan
- Prior art keywords
- alkyl
- phenyl
- hydrogen
- substituted
- groups
- Prior art date
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- Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
- Plural Heterocyclic Compounds (AREA)
- Nitrogen And Oxygen Or Sulfur-Condensed Heterocyclic Ring Systems (AREA)
Abstract
An imidazole[1,2,c]quinazoline derivative of the following formula and its optically active racemic mixture and optically pure R and S stereoisomerides and its medical tolerable salt (see claim 1 (I)) in which: X is O or S; R1 is hydrogen, C1-C6 alkyl, phenyl or phenyl (C1-C6); R2 is hydrogen, C1-C6 alkyl, phenyl or phenyl (C1-C6); or R1 and R2 together represents alkylene of 4-10 carbon atom or (see claim 1) in which R5 represents (a) 2-, 3- or 4- pyridyl which is suitably substituted by one or two groups of C1-C4 alkyl; and (b) phenmethyl, phenyl, and diphenmethyl which are suitable substituted by one or two groups of halogen atom, methoxy and C1-C4 alkyl; and (i) R6 and R7 together represents alkylene of 4-6 carbon atom or (ii) (see claim 1 (ii)) or (iii) when R6 represents hydrogen or hydroxy, R7 represents (a) 2-, 3-, or 4-pyridyl which is suitably substituted by one or two groups of C1-C4 alkyl; and (b) benzoyl, benzyl and diphenmethyl which are suitably substituted by one or two groups of halogen atom, methoxy and C1-C4 alkyl; R3 is halogen, hydrogen, C1-C6 alkyl, or C1-C6 alkoxyl; and R4 is halogen, hydrogen, C1-C6 alkyl, or C1-C6 alkoxyl.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
TW80107818A TW208006B (en) | 1991-10-04 | 1991-10-04 | A production method of 2-substituted methy1-2,3-dihydroimidazole[1,2,c]quinazoline-5(6H)-keto(thioxo) and its usage |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
TW80107818A TW208006B (en) | 1991-10-04 | 1991-10-04 | A production method of 2-substituted methy1-2,3-dihydroimidazole[1,2,c]quinazoline-5(6H)-keto(thioxo) and its usage |
Publications (1)
Publication Number | Publication Date |
---|---|
TW208006B true TW208006B (en) | 1993-06-21 |
Family
ID=51356856
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
TW80107818A TW208006B (en) | 1991-10-04 | 1991-10-04 | A production method of 2-substituted methy1-2,3-dihydroimidazole[1,2,c]quinazoline-5(6H)-keto(thioxo) and its usage |
Country Status (1)
Country | Link |
---|---|
TW (1) | TW208006B (en) |
-
1991
- 1991-10-04 TW TW80107818A patent/TW208006B/en active
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