Fused ring azetidinyl triazole derivatives, preparation method and application in medicine
A technology of alkyl and hydroxyl, applied in the field of medicine, can solve problems such as not showing drug effect
- Summary
- Abstract
- Description
- Claims
- Application Information
AI Technical Summary
Problems solved by technology
Method used
Image
Examples
Embodiment 1
[0247] 7-fluoro-4-(1-(5-(methoxymethyl)-4-(6-methoxypyridin-3-yl)-4H-1,2,4-triazole-3-yl ) azetidin-3-yl) quinoline 1
[0248]
[0249] first step
[0250] 3-(7-Fluoroquinolin-4-yl)azetidine-1-carboxylic acid tert-butyl ester 1c
[0251] Zinc (173.54mg, 2.65mmol), iodine (112.28mg, 0.4400mmol) and tert-butyl 3-iodoazetidine-1-carboxylate 1b (250.48mg, 0.88mmol, were prepared by the well-known method "Organic Letters , 2014, 16(23), 6160-6163 "prepared) was dissolved in 30mL N,N-dimethylformamide, added, protected by argon, reacted for 1 hour, then added bis(dimethoxy Benzylacetone) palladium (405.1mg, 0.4400mmol), 2-dicyclohexylphosphine-2',4',6'-triisopropylbiphenyl (211mg, 0.44mmol), 4-bromo-7-fluoroquine After the addition of morphine 1a (200mg, 0.88mmol, Shaoyuan), the mixture was heated and stirred at 50°C for 3 hours. The reaction solution was cooled to room temperature, distilled under reduced pressure, the organic solvent was removed by spin, and the resulting r...
Embodiment 2
[0271] 5-(3-(3-(6-fluoronaphthalen-1-yl)azetidin-1-yl)-5-(methoxymethyl)-4H-1,2,4-triazole -4-yl)-2-methoxypyridine 2
[0272]
[0273] first step
[0274] tert-butyl 3-(6-fluoro-3,4-dihydronaphthalen-1-yl)azetidine-1-carboxylate 2b
[0275] 1b (1134.58mg, 4.01mmol), iodine (39.12mg, 0.15mmol), zinc (604.65mg, 9.25mmol) were added to the reaction flask, protected by argon, and reacted for 0.5 hours, bis(dibenzylideneacetone) palladium (141.15mg, 0.15mmol), 2-dicyclohexylphosphine-2',4',6'-triisopropylbiphenyl (73.48mg, 0.15mmol) and 4-bromo-7-fluoro-1,2- Dihydronaphthalene 2a (700mg, 3.08mmol, prepared by the known method "Chemistry-A European Journal, 2015, 21(14), 5561-5583") was added to the above reaction solution, after addition, heated at 50°C The reaction was stirred for 3 hours. After cooling to room temperature, the reaction solution was concentrated under reduced pressure, and the resulting residue was purified by silica gel column chromatography with eluent s...
Embodiment 3
[0299] 1-(1-(4-(Benzo[d][1,3]dioxolan-5-yl)-5-(methoxymethyl)-4H-1,2,4-tri Azol-3-yl)azetidin-3-yl)-3-chloro-5-fluoro-1H-indole 3
[0300]
[0301] first step
[0302] tert-butyl 3-(5-fluoroindolin-1-yl)azetidine-1-carboxylate 3c
[0303] 5-Fluoroindoline 3a (2000mg, 7.44mmol) and 3-carbonylazetidine-1-carboxylate tert-butyl ester 3b (1273.16mg, 7.44mmol) were sequentially prepared using the well-known method "Organic Process Research & Development, 2015 , 19(11), 1548-1553 "prepared) was dissolved in 30mL of dichloromethane, reacted for 1 hour, then added sodium triacetoxyborohydride (3.15g, 14.88mmol) in the reaction solution, and added, React for 12 hours. The reaction solution was concentrated under reduced pressure, the resulting residue was dissolved in 50 mL of ethyl acetate, washed with saturated sodium bicarbonate solution (30 mL×2), the organic phase was dried over anhydrous sodium sulfate, the desiccant was removed by filtration, the filtrate was concentrated ...
PUM
Abstract
Description
Claims
Application Information
- R&D Engineer
- R&D Manager
- IP Professional
- Industry Leading Data Capabilities
- Powerful AI technology
- Patent DNA Extraction
Browse by: Latest US Patents, China's latest patents, Technical Efficacy Thesaurus, Application Domain, Technology Topic, Popular Technical Reports.
© 2024 PatSnap. All rights reserved.Legal|Privacy policy|Modern Slavery Act Transparency Statement|Sitemap|About US| Contact US: help@patsnap.com