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inquiry1. Usage of Atomoxetine hcl Intermidiate of Losartan/Allisartan Isoproxil 2. Sinoway's advantage: (1) ISO 9001:2008 certificated company (2) 28 years in pharmaceutical industry (3)China office of Fischer Chemicals AG (Switzerl
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inquiryThe above product is Ality Chemical's strong item with best price, good quality and fast supply. Ality Chemical has been focusing on the research and production of this field for over 14 years. At the same time, we are always committed to providi
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inquiryDayangChem exported this product to many countries and regions at best price in China. If you are looking for the product’s supplier in China, DayangChem is your best choice. Pls contact with us freely for getting detailed product specifica
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inquiryAdvantage : LIDE PHARMACEUTICALS LTD. is a mid-small manufacturing-type enterprise, engaged in pharmaceutical intermediates of R&D, custom-made and production, and also involving trading chemicals for export. We have established the R&
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inquiryOur Advantage Rich Experience Our products are sold all over Europe,North&South America, Sino-East, Asia and pacific area as well as Africa,we establish long term. Quality service Company cooperates with research institutes. We strictly con
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inquiryOur company was built in 2009 with an ISO certificate.In the past 5 years, we have grown up as a famous fine chemicals supplier in China and we had established stable business relationships with Samsung,LG,Merck,Thermo Fisher Scientific and so on.O
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inquiryWITH US,YOUR MONEY IN SAFE,YOUR BUSINESS IN SAFE 1)Quick Response Within 12 hours; 2)Quality Guarantee: All products are strictly tested by our QC, confirmed by QA and approved by third party lab in China, USA, Canada, Germany, UK, Italy, France et
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inquiryHenan Wentao Chemical Product Co.,Ltd is Located in Zhengzhou High-tech Development Zone with import and export license, We passed ISO 9001:2008 as well, Henan Wentao has developed more than 1000 compounds, which are widely used in the fields of prod
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inquiryOur Services 1. New Molecules R&D 2. Own test center HPLC NMR GC LC-MS 3. API and Intermediates from China reputed manufacturers 4. Documents support COA MOA MSDS DMF open part Our advantages 1. Government awarded company. Top 100 enter
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inquiryJ&H CHEM R&D center can offer custom synthesis according to the contract research and development services for the fine chemicals, pharmaceutical, biotechnique and some of the other chemicals. J&H CHEM has some Manufacturing base in Jia
Superior quality, moderate price & quick delivery. Appearance:white or off-white powder Storage:Stored in cool, dry and ventilation place; Away from fire and heat Package:10g/bag,or as your request Application:For medicine , pesticide inter
Zibo Hangyu Biotechnology Development Co., Ltd is a leading manufacturer and supplier of chemicals in China. We develop produce and distribute high quality pharmaceuticals, intermediates, special chemicals and OLED intermediates and other fine chemi
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inquiryProduct name: Trityl Iosartan CAS No.: 133909-99-6 Molecule Formula:C41H37ClN6O Molecule Weight:665.23 Purity: 99.0% Package: 25kg/drum Description:White powder Manufacture Standards:Enterprise Standard TESTING ITE
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inquiryGMP standard, high purity, competitive price, in stock 1. Quick Response: within 6 hours after receiving your email. 2. Quality Guarantee: All products are strictly tested by our QC, confirmed by QA, and approved by a third-party lab in China, USA,
Trityl losartan Basic information Product Name: Trityl losartan Synonyms: 2-BUTYL-4-CHLORO-1-[[2'-[2-(TRIPHENYLMETHYL)-TETRAZOL-5-YL]-[1,1'-BIPHENYL]-4-YL]METHYL]-1H-IMIDAZOLE-5-METHANOL;2-BUTYL-4-CHLORO-1-[2'-(2-TRITYL-2H-TETRAZOL
Hangzhou Huarong Pharm Co., Ltd.established since 2006 , has been actively developing specialty products for Finished Dosages, APIs, Intermediates, and Fine chemicals markets in North America, Europe, Korea, Japan, Mid-East and all over the World. Hu
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inquiryLower price, sample is available,SDS test documents are available,large stock in warehouseAppearance:White powder Storage:Sealed and preserved Package:200/Kilograms Application:Fine chemical intermediates, used as the main raw material for the synthe
Jinhua huayi chemical co., ltd. is dedicated to the development, production and marketing of chemicals. On the basis of equality and mutual benefit, and under the principle of customer first, credit first, quality first, we are ready to join hands
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inquiryhigh quality Storage:Sealed, dry, microtherm , avoid light and smell. Package:According to the demand of customer Application:Organic synthesis Transportation:by air or by sea
Our clients, like BASF,CHEMO,Brenntag,ASR,Evonik,Merck and etc.Appearance:COA Storage:in stock Application:MSDS/TDS
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inquiryhigh purity lowest priceAppearance:solid or liquid Storage:in sealed air resistant place Package:Foil bag; Drum; Plastic bottle Application:Pharma;Industry;Agricultural Transportation:by sea or air Port:Beijing or Guangzhou
Amoychem is committed to providing the top-quality chemical products and services Internationally. We offer our customers with friendly, professional service and reliable, high performance products that have been manufactured according to the accredi
factory?direct?sale Application:healing drugs
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inquiryFactory supply high purity low priceAppearance:solid or liquid Storage:sealed in cool and dry place Package:As customer's requested Application:Pharma Intermediate Transportation:by courier/air/sea Port:Any port in China
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inquiryTrityl losartan cas 133909-99-6Appearance:white crystalline powder Storage:Store in dry, dark and ventilated place Package:25KG drum Application:intermediate Transportation:by air, by sea, by express
2-n-butyl-4-chloro-1H-imidazol-5-carboxaldehyde
N-(triphenylmethyl)-5-<4'-(bromomethyl)biphenyl-2-yl>tetrazole
2-n-butyl-4-chloro-1-[(2'-(2-triphenylmethyl-2H-tetrazol-5-yl)-1,1'-biphenyl-4-yl)methyl]-1H-imidazole-5-methanol
Conditions | Yield |
---|---|
Stage #1: 2-n-butyl-4-chloro-1H-imidazol-5-carboxaldehyde; N-(triphenylmethyl)-5-<4'-(bromomethyl)biphenyl-2-yl>tetrazole With potassium carbonate In N,N-dimethyl-formamide at 20 - 22℃; for 3h; Stage #2: With sodium tetrahydroborate In water; N,N-dimethyl-formamide at 48 - 52℃; for 3.08333h; | 99.2% |
With potassium carbonate In N,N-dimethyl acetamide | |
With potassium carbonate In N,N-dimethyl acetamide |
trityl chloride
cozaar
2-n-butyl-4-chloro-1-[(2'-(2-triphenylmethyl-2H-tetrazol-5-yl)-1,1'-biphenyl-4-yl)methyl]-1H-imidazole-5-methanol
Conditions | Yield |
---|---|
With triethylamine In N,N-dimethyl-formamide at 20℃; for 18h; | 91% |
2-n-butyl-4-chloro-5-hydroxymethylimidazole
N-(triphenylmethyl)-5-<4'-(bromomethyl)biphenyl-2-yl>tetrazole
2-n-butyl-4-chloro-1-[(2'-(2-triphenylmethyl-2H-tetrazol-5-yl)-1,1'-biphenyl-4-yl)methyl]-1H-imidazole-5-methanol
Conditions | Yield |
---|---|
With potassium carbonate In N,N-dimethyl-formamide at 20℃; for 10h; | 80% |
n-Butyl chloride
2-n-Butyl-4-chloro-1-[(2'-(2-triphenylmethyl-2H-tetrazol-5-yl)-1,1'-biphenyl-4-yl)methyl]-1H-imidazole-5-carboxaldehyde
2-n-butyl-4-chloro-1-[(2'-(2-triphenylmethyl-2H-tetrazol-5-yl)-1,1'-biphenyl-4-yl)methyl]-1H-imidazole-5-methanol
Conditions | Yield |
---|---|
With sodium borohydrid In water; ethyl acetate | 72% |
With sodium borohydrid In water; ethyl acetate | 72% |
2-n-Butyl-4-chloro-1-[(2'-(2-triphenylmethyl-2H-tetrazol-5-yl)-1,1'-biphenyl-4-yl)methyl]-1H-imidazole-5-carboxaldehyde
3-<3,4-bis(benzyloxy)phenyl>-1-aminopropane
A
[3-(3,4-bis-benzyloxy-phenyl)propyl](2-n-butyl-5-chloro-3-[2'-(2-trityl-2H-tetrazol-5-yl)-biphenyl-4-ylmethyl]-3H-imidazol-4-ylmethyl)amine
B
2-n-butyl-4-chloro-1-[(2'-(2-triphenylmethyl-2H-tetrazol-5-yl)-1,1'-biphenyl-4-yl)methyl]-1H-imidazole-5-methanol
Conditions | Yield |
---|---|
Stage #1: 2-n-Butyl-4-chloro-1-[(2'-(2-triphenylmethyl-2H-tetrazol-5-yl)-1,1'-biphenyl-4-yl)methyl]-1H-imidazole-5-carboxaldehyde; 3-<3,4-bis(benzyloxy)phenyl>-1-aminopropane With magnesium sulfate In dichloromethane at 20℃; for 17h; Inert atmosphere; Stage #2: With sodium tetrahydroborate In methanol; dichloromethane at 20℃; for 4h; Inert atmosphere; | A 34% B 40% |
n-Butyl chloride
2-n-butyl-4-chloro-1H-imidazol-5-carboxaldehyde
5-(4'-Methanesulfonyloxymethyl-1,1'-biphenyl-2-yl)-2-triphenylmethyl-2H-tetrazole
2-n-butyl-4-chloro-1-[(2'-(2-triphenylmethyl-2H-tetrazol-5-yl)-1,1'-biphenyl-4-yl)methyl]-1H-imidazole-5-methanol
Conditions | Yield |
---|---|
With sodium borohydrid In water; ethyl acetate; acetone | 28% |
With sodium borohydrid In water; ethyl acetate; acetone | 28% |
2-n-butyl-4-chloro-5-hydroxymethylimidazole
N-(triphenylmethyl)-5-<4'-(bromomethyl)biphenyl-2-yl>tetrazole
A
2-n-butyl-4-chloro-1-[(2'-(2-triphenylmethyl-2H-tetrazol-5-yl)-1,1'-biphenyl-4-yl)methyl]-1H-imidazole-5-methanol
Conditions | Yield |
---|---|
With potassium carbonate In N,N-dimethyl-formamide Product distribution; Ambient temperature; various ratios of reagents; | |
With potassium carbonate In N,N-dimethyl-formamide Ambient temperature; |
trityl chloride
2-n-Butyl-4-chloro-1-[(2'-cyanobiphenyl-4-yl)-methyl]-5-(hydroxymethyl)imidazole
2-n-butyl-4-chloro-1-[(2'-(2-triphenylmethyl-2H-tetrazol-5-yl)-1,1'-biphenyl-4-yl)methyl]-1H-imidazole-5-methanol
Conditions | Yield |
---|---|
Yield given. Multistep reaction; |
2-n-Butyl-4-chloro-1-[(2'-(2-triphenylmethyl-2H-tetrazol-5-yl)-1,1'-biphenyl-4-yl)methyl]-1H-imidazole-5-carboxaldehyde
2-n-butyl-4-chloro-1-[(2'-(2-triphenylmethyl-2H-tetrazol-5-yl)-1,1'-biphenyl-4-yl)methyl]-1H-imidazole-5-methanol
Conditions | Yield |
---|---|
With sodium tetrahydroborate In dichloromethane at 25℃; for 24h; Yield given; |
2-trityl-5-phenyl-2H-tetrazole
2-n-Butyl-4-chloro-1-(4-bromobenzyl)-1H-imidazole-5-methanol
2-n-butyl-4-chloro-1-[(2'-(2-triphenylmethyl-2H-tetrazol-5-yl)-1,1'-biphenyl-4-yl)methyl]-1H-imidazole-5-methanol
Conditions | Yield |
---|---|
Yield given. Multistep reaction; |
2-(2'-Triphenylmethyl-2'H-tetrazol-5'-yl)-phenylboronic acid
2-n-Butyl-4-chloro-1-(4-bromobenzyl)-1H-imidazole-5-methanol
2-n-butyl-4-chloro-1-[(2'-(2-triphenylmethyl-2H-tetrazol-5-yl)-1,1'-biphenyl-4-yl)methyl]-1H-imidazole-5-methanol
Conditions | Yield |
---|---|
With potassium carbonate; tetrakis(triphenylphosphine) palladium(0) In tetrahydrofuran; water at 75℃; | |
With potassium carbonate; tetrakis(triphenylphosphine) palladium(0) In tetrahydrofuran at 75℃; Mechanism; coupling rate effects of changing the initial composition; coupling rate effect of isomeric impurity of the aryl bromide; |
2-n-butyl-4-chloro-5-hydroxymethylimidazole
2-n-butyl-4-chloro-1-[(2'-(2-triphenylmethyl-2H-tetrazol-5-yl)-1,1'-biphenyl-4-yl)methyl]-1H-imidazole-5-methanol
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: K2CO3 / N,N-dimethyl-acetamide View Scheme | |
Multi-step reaction with 3 steps 1: 77 percent / 1.0 N aq. ceric ammonium nitrate / acetic acid / 3 h / 25 °C 2: 49 percent / potassium carbonate / dimethylformamide / 24 h / 25 °C 3: sodium borohydride / CH2Cl2 / 24 h / 25 °C View Scheme |
trityl chloride
2-n-butyl-4-chloro-1-[(2'-(2-triphenylmethyl-2H-tetrazol-5-yl)-1,1'-biphenyl-4-yl)methyl]-1H-imidazole-5-methanol
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: Et3N / tetrahydrofuran / 0.5 h View Scheme |
2-n-butyl-4-chloro-1H-imidazol-5-carboxaldehyde
2-n-butyl-4-chloro-1-[(2'-(2-triphenylmethyl-2H-tetrazol-5-yl)-1,1'-biphenyl-4-yl)methyl]-1H-imidazole-5-methanol
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: 1.) K2CO3, 2.) NaBH4 / 1.) dimethylacetamide, -10 deg C, 2 h; room temp., 2 h, 2.) MeOH, room temp., 1 h View Scheme | |
Multi-step reaction with 2 steps 1: 49 percent / potassium carbonate / dimethylformamide / 24 h / 25 °C 2: sodium borohydride / CH2Cl2 / 24 h / 25 °C View Scheme |
1-bromomethyl-4-bromobenzene
2-n-butyl-4-chloro-1-[(2'-(2-triphenylmethyl-2H-tetrazol-5-yl)-1,1'-biphenyl-4-yl)methyl]-1H-imidazole-5-methanol
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: K2CO3 / N,N-dimethyl-acetamide View Scheme | |
Multi-step reaction with 2 steps 1: 1.) K2CO3, 2.) NaBH4 / 1.) dimethylacetamide, -10 deg C, 2 h; room temp., 2 h, 2.) MeOH, room temp., 1 h View Scheme |
5-phenyl-2H-1,2,3,4-tetrazole
2-n-butyl-4-chloro-1-[(2'-(2-triphenylmethyl-2H-tetrazol-5-yl)-1,1'-biphenyl-4-yl)methyl]-1H-imidazole-5-methanol
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: Et3N / tetrahydrofuran / 0.5 h View Scheme |
2-(2-methoxyphenyl)-4,4-dimethyl-2-oxazoline
2-n-butyl-4-chloro-1-[(2'-(2-triphenylmethyl-2H-tetrazol-5-yl)-1,1'-biphenyl-4-yl)methyl]-1H-imidazole-5-methanol
Conditions | Yield |
---|---|
Multi-step reaction with 5 steps 1: tetrahydrofuran / 2 h / 20 °C 2: 96 percent / pyridine, phosphorus oxychloride / 3 h / 100 °C 3: N-bromosuccinimide, dibenzoyl peroxide / CCl4 / 3 h / Heating 4: 1.) sodium methoxide / 1.) DMF, 25 deg C, 0.25 h, 2.) DMF, 40 deg C, 4 h View Scheme | |
Multi-step reaction with 6 steps 1: tetrahydrofuran / 2 h / 20 °C 2: 96 percent / pyridine, phosphorus oxychloride / 3 h / 100 °C 3: 1.) tributyltin chloride, sodium azide, 2.) 10 N aq. sodium hydroxide / 1.) toluene, reflux, 70 h, 20 deg C, 3 h 4: 92 percent / N-bromosuccinimide, dibenzoyl peroxide / CCl4 / 3 h / Heating 5: 49 percent / potassium carbonate / dimethylformamide / 24 h / 25 °C 6: sodium borohydride / CH2Cl2 / 24 h / 25 °C View Scheme |
2-Cyano-4'-methylbiphenyl
2-n-butyl-4-chloro-1-[(2'-(2-triphenylmethyl-2H-tetrazol-5-yl)-1,1'-biphenyl-4-yl)methyl]-1H-imidazole-5-methanol
Conditions | Yield |
---|---|
Multi-step reaction with 3 steps 1: N-bromosuccinimide, dibenzoyl peroxide / CCl4 / 3 h / Heating 2: 1.) sodium methoxide / 1.) DMF, 25 deg C, 0.25 h, 2.) DMF, 40 deg C, 4 h View Scheme | |
Multi-step reaction with 4 steps 1: 1.) tributyltin chloride, sodium azide, 2.) 10 N aq. sodium hydroxide / 1.) toluene, reflux, 70 h, 20 deg C, 3 h 2: 92 percent / N-bromosuccinimide, dibenzoyl peroxide / CCl4 / 3 h / Heating 3: 49 percent / potassium carbonate / dimethylformamide / 24 h / 25 °C 4: sodium borohydride / CH2Cl2 / 24 h / 25 °C View Scheme |
4'-(bromomethyl)-1,1'-biphenyl-2-carbonitrile
2-n-butyl-4-chloro-1-[(2'-(2-triphenylmethyl-2H-tetrazol-5-yl)-1,1'-biphenyl-4-yl)methyl]-1H-imidazole-5-methanol
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: 1.) sodium methoxide / 1.) DMF, 25 deg C, 0.25 h, 2.) DMF, 40 deg C, 4 h View Scheme |
N-(2-hydroxy-1,1-dimethyl)-2-methoxybenzamide
2-n-butyl-4-chloro-1-[(2'-(2-triphenylmethyl-2H-tetrazol-5-yl)-1,1'-biphenyl-4-yl)methyl]-1H-imidazole-5-methanol
Conditions | Yield |
---|---|
Multi-step reaction with 6 steps 1: thionyl chloride / 1 h / 25 °C 2: tetrahydrofuran / 2 h / 20 °C 3: 96 percent / pyridine, phosphorus oxychloride / 3 h / 100 °C 4: N-bromosuccinimide, dibenzoyl peroxide / CCl4 / 3 h / Heating 5: 1.) sodium methoxide / 1.) DMF, 25 deg C, 0.25 h, 2.) DMF, 40 deg C, 4 h View Scheme | |
Multi-step reaction with 7 steps 1: thionyl chloride / 1 h / 25 °C 2: tetrahydrofuran / 2 h / 20 °C 3: 96 percent / pyridine, phosphorus oxychloride / 3 h / 100 °C 4: 1.) tributyltin chloride, sodium azide, 2.) 10 N aq. sodium hydroxide / 1.) toluene, reflux, 70 h, 20 deg C, 3 h 5: 92 percent / N-bromosuccinimide, dibenzoyl peroxide / CCl4 / 3 h / Heating 6: 49 percent / potassium carbonate / dimethylformamide / 24 h / 25 °C 7: sodium borohydride / CH2Cl2 / 24 h / 25 °C View Scheme |
4,4-dimethyl-2-(4'-methyl-biphenyl-2-yl)-4,5-dihydrooxazole
2-n-butyl-4-chloro-1-[(2'-(2-triphenylmethyl-2H-tetrazol-5-yl)-1,1'-biphenyl-4-yl)methyl]-1H-imidazole-5-methanol
Conditions | Yield |
---|---|
Multi-step reaction with 4 steps 1: 96 percent / pyridine, phosphorus oxychloride / 3 h / 100 °C 2: N-bromosuccinimide, dibenzoyl peroxide / CCl4 / 3 h / Heating 3: 1.) sodium methoxide / 1.) DMF, 25 deg C, 0.25 h, 2.) DMF, 40 deg C, 4 h View Scheme | |
Multi-step reaction with 5 steps 1: 96 percent / pyridine, phosphorus oxychloride / 3 h / 100 °C 2: 1.) tributyltin chloride, sodium azide, 2.) 10 N aq. sodium hydroxide / 1.) toluene, reflux, 70 h, 20 deg C, 3 h 3: 92 percent / N-bromosuccinimide, dibenzoyl peroxide / CCl4 / 3 h / Heating 4: 49 percent / potassium carbonate / dimethylformamide / 24 h / 25 °C 5: sodium borohydride / CH2Cl2 / 24 h / 25 °C View Scheme |
N-(trityl)-5-[4΄-(methyl)biphenyl-2-yl]-2H-tetrazole
2-n-butyl-4-chloro-1-[(2'-(2-triphenylmethyl-2H-tetrazol-5-yl)-1,1'-biphenyl-4-yl)methyl]-1H-imidazole-5-methanol
Conditions | Yield |
---|---|
Multi-step reaction with 3 steps 1: 92 percent / N-bromosuccinimide, dibenzoyl peroxide / CCl4 / 3 h / Heating 2: 49 percent / potassium carbonate / dimethylformamide / 24 h / 25 °C 3: sodium borohydride / CH2Cl2 / 24 h / 25 °C View Scheme |
N-(triphenylmethyl)-5-<4'-(bromomethyl)biphenyl-2-yl>tetrazole
2-n-butyl-4-chloro-1-[(2'-(2-triphenylmethyl-2H-tetrazol-5-yl)-1,1'-biphenyl-4-yl)methyl]-1H-imidazole-5-methanol
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: 49 percent / potassium carbonate / dimethylformamide / 24 h / 25 °C 2: sodium borohydride / CH2Cl2 / 24 h / 25 °C View Scheme |
2-Methoxybenzoic acid
2-n-butyl-4-chloro-1-[(2'-(2-triphenylmethyl-2H-tetrazol-5-yl)-1,1'-biphenyl-4-yl)methyl]-1H-imidazole-5-methanol
Conditions | Yield |
---|---|
Multi-step reaction with 8 steps 1: 95 percent / thionyl chloride / 18 h / 20 °C 2: CH2Cl2 / 2 h / 20 °C 3: thionyl chloride / 1 h / 25 °C 4: tetrahydrofuran / 2 h / 20 °C 5: 96 percent / pyridine, phosphorus oxychloride / 3 h / 100 °C 6: N-bromosuccinimide, dibenzoyl peroxide / CCl4 / 3 h / Heating 7: 1.) sodium methoxide / 1.) DMF, 25 deg C, 0.25 h, 2.) DMF, 40 deg C, 4 h View Scheme | |
Multi-step reaction with 9 steps 1: 95 percent / thionyl chloride / 18 h / 20 °C 2: CH2Cl2 / 2 h / 20 °C 3: thionyl chloride / 1 h / 25 °C 4: tetrahydrofuran / 2 h / 20 °C 5: 96 percent / pyridine, phosphorus oxychloride / 3 h / 100 °C 6: 1.) tributyltin chloride, sodium azide, 2.) 10 N aq. sodium hydroxide / 1.) toluene, reflux, 70 h, 20 deg C, 3 h 7: 92 percent / N-bromosuccinimide, dibenzoyl peroxide / CCl4 / 3 h / Heating 8: 49 percent / potassium carbonate / dimethylformamide / 24 h / 25 °C 9: sodium borohydride / CH2Cl2 / 24 h / 25 °C View Scheme |
2-Methoxybenzoyl chloride
2-n-butyl-4-chloro-1-[(2'-(2-triphenylmethyl-2H-tetrazol-5-yl)-1,1'-biphenyl-4-yl)methyl]-1H-imidazole-5-methanol
Conditions | Yield |
---|---|
Multi-step reaction with 7 steps 1: CH2Cl2 / 2 h / 20 °C 2: thionyl chloride / 1 h / 25 °C 3: tetrahydrofuran / 2 h / 20 °C 4: 96 percent / pyridine, phosphorus oxychloride / 3 h / 100 °C 5: N-bromosuccinimide, dibenzoyl peroxide / CCl4 / 3 h / Heating 6: 1.) sodium methoxide / 1.) DMF, 25 deg C, 0.25 h, 2.) DMF, 40 deg C, 4 h View Scheme | |
Multi-step reaction with 8 steps 1: CH2Cl2 / 2 h / 20 °C 2: thionyl chloride / 1 h / 25 °C 3: tetrahydrofuran / 2 h / 20 °C 4: 96 percent / pyridine, phosphorus oxychloride / 3 h / 100 °C 5: 1.) tributyltin chloride, sodium azide, 2.) 10 N aq. sodium hydroxide / 1.) toluene, reflux, 70 h, 20 deg C, 3 h 6: 92 percent / N-bromosuccinimide, dibenzoyl peroxide / CCl4 / 3 h / Heating 7: 49 percent / potassium carbonate / dimethylformamide / 24 h / 25 °C 8: sodium borohydride / CH2Cl2 / 24 h / 25 °C View Scheme |
1H-imidazole
2-(2'-Triphenylmethyl-2'H-tetrazol-5'-yl)-phenylboronic acid
2-n-butyl-4-chloro-1-[(2'-(2-triphenylmethyl-2H-tetrazol-5-yl)-1,1'-biphenyl-4-yl)methyl]-1H-imidazole-5-methanol
Conditions | Yield |
---|---|
With potassium carbonate In tetrahydrofuran; formaldehyde diethyl acetal; water | 15.5 g (93%) |
With tributylphosphine; potassium carbonate In tetrahydrofuran; formaldehyde diethyl acetal; water | 15.5 g (93%) |
With potassium carbonate In tetrahydrofuran; formaldehyde diethyl acetal; water |
2-methylpropyl acetate
pyrographite
2-(2'-Triphenylmethyl-2'H-tetrazol-5'-yl)-phenylboronic acid
2-n-Butyl-4-chloro-1-p-bromobenzyl-1H-imidazole-5-carboxaldehyde
2-n-butyl-4-chloro-1-[(2'-(2-triphenylmethyl-2H-tetrazol-5-yl)-1,1'-biphenyl-4-yl)methyl]-1H-imidazole-5-methanol
Conditions | Yield |
---|---|
With sodium borohydrid; nitrogen; tetrabutylammomium bromide; magnesium sulfate; potassium carbonate; thiourea; triphenylphosphine; tris-(dibenzylideneacetone)dipalladium(0) In water; toluene | |
With sodium borohydrid; nitrogen; tetrabutylammomium bromide; magnesium sulfate; potassium carbonate; thiourea; triphenylphosphine; tris-(dibenzylideneacetone)dipalladium(0) In water; toluene |
4-bromobenzenemethanol
2-n-butyl-4-chloro-1-[(2'-(2-triphenylmethyl-2H-tetrazol-5-yl)-1,1'-biphenyl-4-yl)methyl]-1H-imidazole-5-methanol
Conditions | Yield |
---|---|
Multi-step reaction with 3 steps 1: nitrogen / tetrakis(triphenylphosphine)palladium (0) / toluene 2: potassium carbonate / N,N-dimethyl acetamide 3: sodium borohydrid / water; ethyl acetate; acetone View Scheme |
2-n-butyl-4-chloro-1H-imidazol-5-carboxaldehyde
1-bromomethyl-4-bromobenzene
2-n-butyl-4-chloro-1-[(2'-(2-triphenylmethyl-2H-tetrazol-5-yl)-1,1'-biphenyl-4-yl)methyl]-1H-imidazole-5-methanol
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: potassium carbonate / N,N-dimethyl acetamide; water; toluene 2: sodium borohydrid; nitrogen; tetrabutylammomium bromide; magnesium sulfate; potassium carbonate; thiourea; triphenylphosphine / tris-(dibenzylideneacetone)dipalladium(0) / water; toluene View Scheme |
2-n-butyl-4-chloro-1-[(2'-(2-triphenylmethyl-2H-tetrazol-5-yl)-1,1'-biphenyl-4-yl)methyl]-1H-imidazole-5-methanol
2-n-butyl-4-chloro-5-hydroxymethyl-1-[(2'-(1H-tetrazol-5-yl)biphenyl-4-yl)methyl]imidazole
Conditions | Yield |
---|---|
With sulfuric acid In water; acetonitrile for 0.583333h; Ambient temperature; | 95% |
Stage #1: 2-n-butyl-4-chloro-1-[(2'-(2-triphenylmethyl-2H-tetrazol-5-yl)-1,1'-biphenyl-4-yl)methyl]-1H-imidazole-5-methanol With hydrogenchloride In water; acetonitrile at 18 - 20℃; for 5h; Stage #2: With sodium hydroxide In water pH=12.3 - 12.7; | 90.5% |
With hydrogenchloride In dichloromethane; water at 25 - 35℃; for 1 - 1.5h; Product distribution / selectivity; |
2-n-butyl-4-chloro-1-[(2'-(2-triphenylmethyl-2H-tetrazol-5-yl)-1,1'-biphenyl-4-yl)methyl]-1H-imidazole-5-methanol
lorsartan
Conditions | Yield |
---|---|
With hydrogenchloride In tetrahydrofuran at 25℃; for 4h; | 89% |
2-n-butyl-4-chloro-1-[(2'-(2-triphenylmethyl-2H-tetrazol-5-yl)-1,1'-biphenyl-4-yl)methyl]-1H-imidazole-5-methanol
cozaar
Conditions | Yield |
---|---|
With potassium carbonate In methanol for 12h; Product distribution / selectivity; Heating / reflux; | 82% |
With potassium tert-butylate In methanol; isopropyl alcohol for 9h; Product distribution / selectivity; Heating / reflux; | 81% |
With potassium tert-butylate In methanol for 8h; Heating / reflux; | 78% |
With potassium tert-butylate In methanol for 8h; Heating / reflux; | 78% |
With potassium tert-butylate In methanol; tert-butyl alcohol for 9h; Product distribution / selectivity; Heating / reflux; | 78% |
3,5-di-tert-butyl-4-hydroxyphenyl acetic acid
2-n-butyl-4-chloro-1-[(2'-(2-triphenylmethyl-2H-tetrazol-5-yl)-1,1'-biphenyl-4-yl)methyl]-1H-imidazole-5-methanol
(3,5-di-tert-butyl-4-hydroxyphenyl)-acetic acid 2-butyl-5-chloro-3-[2'-(2-trityl-2H-tetrazol-5-yl)biphenyl-4-ylmethyl]-3H-imidazol-4-yl methyl ester
Conditions | Yield |
---|---|
With triphenylphosphine; diethylazodicarboxylate In diethyl ether at 20℃; for 12h; Mitsunobu reaction; Inert atmosphere; | 63% |
3-(3,4-bis(benzyloxy)phenyl)propanoic acid
2-n-butyl-4-chloro-1-[(2'-(2-triphenylmethyl-2H-tetrazol-5-yl)-1,1'-biphenyl-4-yl)methyl]-1H-imidazole-5-methanol
C64H57ClN6O4
Conditions | Yield |
---|---|
With triphenylphosphine; diethylazodicarboxylate In diethyl ether at 20℃; for 12h; Mitsunobu reaction; Inert atmosphere; | 63% |
4-(benzyloxy)-3,5-dimethoxybenzoic acid
2-n-butyl-4-chloro-1-[(2'-(2-triphenylmethyl-2H-tetrazol-5-yl)-1,1'-biphenyl-4-yl)methyl]-1H-imidazole-5-methanol
4-benzyloxy-3,5-dimethoxybenzoic acid 5-chloro-2-butyl-3-[2'-(2-trityl-2H-tetrazol-5-yl)-biphenyl-4-ylmethyl]-3H-imidazol-4-yl methyl ester
Conditions | Yield |
---|---|
With triphenylphosphine; diethylazodicarboxylate In diethyl ether at 20℃; for 12h; Mitsunobu reaction; Inert atmosphere; | 62% |
dodecyl mesylate
2-n-butyl-4-chloro-1-[(2'-(2-triphenylmethyl-2H-tetrazol-5-yl)-1,1'-biphenyl-4-yl)methyl]-1H-imidazole-5-methanol
Conditions | Yield |
---|---|
Stage #1: 2-n-butyl-4-chloro-1-[(2'-(2-triphenylmethyl-2H-tetrazol-5-yl)-1,1'-biphenyl-4-yl)methyl]-1H-imidazole-5-methanol With sodium hydride In tetrahydrofuran at 20℃; for 0.5h; Inert atmosphere; Stage #2: dodecyl mesylate In tetrahydrofuran for 24h; Inert atmosphere; Reflux; | 45% |
2-n-butyl-4-chloro-1-[(2'-(2-triphenylmethyl-2H-tetrazol-5-yl)-1,1'-biphenyl-4-yl)methyl]-1H-imidazole-5-methanol
6-tert-butyl(dimethyl)silyloxy-2,5,7,8-tetramethyl-3,4-dihydro-2H-1-benzopyran-2-carboxylic acid
6-(tert-butyl-dimethyl-silanyloxy)-2,5,7,8-tetramethylchroman-2-carboxylic acid 2-butyl-5-chloro-3-[2'-(2-trityl-2H-tetrazol-5-yl)biphenyl-4-ylmethyl]-3H-midazol-4-yl methyl ester
Conditions | Yield |
---|---|
With triphenylphosphine; diethylazodicarboxylate In diethyl ether at 20℃; for 12h; Mitsunobu reaction; Inert atmosphere; | 42% |
4-hydroxy-benzaldehyde
2-n-butyl-4-chloro-1-[(2'-(2-triphenylmethyl-2H-tetrazol-5-yl)-1,1'-biphenyl-4-yl)methyl]-1H-imidazole-5-methanol
Conditions | Yield |
---|---|
With triphenylphosphine; diethylazodicarboxylate In tetrahydrofuran at 20℃; for 18h; Mitsunobu Displacement; Cooling with ice; | 35% |
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