As a leading manufacturer and supplier of chemicals in China, DayangChem not only supply popular chemicals, but also DayangChem's R&D center offer custom synthesis services. DayangChem can provide different quantities of custom synthesis ch
Cas:3382-18-1
Min.Order:1 Kilogram
FOB Price: $3.0
Type:Lab/Research institutions
inquiryWelcome to Simagchem, your partner in China as a premier supply of bulk specialty chemicals for industry and life science. We introduce experienced quality product and exceptional JIT service with instant market intelligence in China to benefit our
Cas:3382-18-1
Min.Order:1 Metric Ton
Negotiable
Type:Manufacturers
inquiryOur main production base is located in Xuzhou industry park. We are certified both to the ISO 9001 and ISO 14001 Standards, have a safety management system in place.Our R&D team masters core technology for process-design of target building block
Cas:3382-18-1
Min.Order:5 Kiloliter
FOB Price: $1.2 / 5.0
Type:Manufacturers
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
Cas:3382-18-1
Min.Order:1 Kilogram
FOB Price: $139.0 / 210.0
Type:Trading Company
inquiryOur Advantage: high quality with competitive price High quality standard: BP/USP/EP Enterprise standard All purity customized Fast and safe delivery We have reliable forwarder who can help us deliver our goods more fast and safe. We
Cas:3382-18-1
Min.Order:10 Kilogram
Negotiable
Type:Trading Company
inquiry1.No Less 8 years exporting experience. Clients can 100% received goods 2.Lower Price with higher quality 3,Free sample 4,We are sincerely responsible for the "product quality" and "After Service" Upbio is Specialized
Cas:3382-18-1
Min.Order:1 Kilogram
Negotiable
Type:Lab/Research institutions
inquiry6,7-Dimethoxy-3,4-dihydroisoquinoline CAS:3382-18-1 Qingdao Belugas Import and Export Co., Ltd. is a scientific and technological company integrating research and development, production and trade of chemical intermediates, specializing in high qual
Cas:3382-18-1
Min.Order:1 Gram
Negotiable
Type:Lab/Research institutions
inquiryHello, dear friend! I'm Hansen and Allen from China. Welcome to my lookchem mall! The following is a brief introduction of our company's products and services. If you are interested in our products, please contact us by emai
Cas:3382-18-1
Min.Order:1 Kilogram
Negotiable
Type:Lab/Research institutions
inquiryBest quality & Attractive price & Professional service; Trial & Pilot & Commercial Hisunny Chemical is a leading manufacturer and supplier of chemicals in China. We develop produce and distribute high quality intermediates, specia
Cas:3382-18-1
Min.Order:0
Negotiable
Type:Manufacturers
inquiryCompany Introduction 1. Established in 2005, with two independent business divisions: Fine chemicals division; Pharmaceutical division. 2. Main product: Optical brightener Textile auxiliary Dye stuff Pigments
Cas:3382-18-1
Min.Order:1 Gram
Negotiable
Type:Lab/Research institutions
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
Cas:3382-18-1
Min.Order:0
Negotiable
Type:Lab/Research institutions
inquiryZibo 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
Cas:3382-18-1
Min.Order:10 Gram
FOB Price: $100.0
Type:Lab/Research institutions
inquiryWe are one of a few suppliers that can offer custom synthesis service of this product We are specialized in custom synthesis, chemical/pharmaceutical/ pesticides outsourcing and contract research. We are committed to prov
Cas:3382-18-1
Min.Order:100 Gram
FOB Price: $100.0 / 2000.0
Type:Lab/Research institutions
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
Cas:3382-18-1
Min.Order:1 Kilogram
Negotiable
Type:Lab/Research institutions
inquiryProduct Details Grade: pharmaceutical grade Purity:99%+ ProductionCapacity: 1000 Kilogram/Month Scope of use: For scientific research only(The product must be used legally) Our Advantage 1. Best quality with competitive price. 2. Quick shipping,
Cas:3382-18-1
Min.Order:1 Kilogram
Negotiable
Type:Lab/Research institutions
inquiryProduct Name: 6,7-Dimethoxy-3,4-dihydroisoquinoline CAS:3382-18-1 Structural Formula: Appearance:Colorless clear liquid Storage:Preserve in well-closed, light-resistant and airtight containers. Package:25kg/drum Application:Organic intermediate Tran
Cas:3382-18-1
Min.Order:1 Kilogram
FOB Price: $1.0
Type:Other
inquiryfactory?direct?saleAppearance:White Powder Storage:Store In Dry, Cool And Ventilated Place Package:25kg/drum, also according to the clients requirement Application:It is widely used as a thickener, emulsifier and stabilizer Transportation:By Sea Or B
Cas:3382-18-1
Min.Order:1 Kilogram
FOB Price: $18.0 / 20.0
Type:Trading Company
inquiryShandong Mopai Biotechnology 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 chemicals. W
Cas:3382-18-1
Min.Order:1 Gram
Negotiable
Type:Lab/Research institutions
inquiry1.Applied in food field.it can improve the immune system and prolong life. 2.Appliedin cosmetic field.it can improve the skin care. 3.Applied in pharmaceutical field.it can treat various dieases. 4.Our product quality assurance will make our customer
Cas:3382-18-1
Min.Order:1 Metric Ton
FOB Price: $1.5
Type:Trading Company
inquiryAppearance:95%+ Package:R&D,Pilot run Transportation:per client require Port:Express ,Air, Sea
Cas:3382-18-1
Min.Order:0
Negotiable
Type:Manufacturers
inquiryWe are a Union of chemistry in China, consists of chemists,engineers, laboratories,factories in China. We organize surplus capacity of R&D and production as well as custom synthesis for chemical products and chemical business project. We are supp
Cas:3382-18-1
Min.Order:1 Metric Ton
FOB Price: $1.0
Type:Trading Company
inquiryStock products, own laboratory Package:Grams, Kilograms Application:For R&D Transportation:According to customer request Port:Shanghai
Cas:3382-18-1
Min.Order:0
Negotiable
Type:Lab/Research institutions
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
Cas:3382-18-1
Min.Order:0
Negotiable
Type:Lab/Research institutions
inquiryhigh purity lowest priceAppearance:solid or liquid Storage:in sealed air resistant place Package:drum and bag Application:for pharma use Transportation:by sea or air Port:Beijing or Guangzhou
R & D enterprises have their own stock in stockAppearance:To be subject to the object Package:Customized Application:pharmaceutical intermediates Transportation:Air Port:Shanghai;Guangzhou
Cas:3382-18-1
Min.Order:0
Negotiable
Type:Manufacturers
inquiryJinhua 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
Cas:3382-18-1
Min.Order:100 Gram
Negotiable
Type:Lab/Research institutions
inquiryAcmec is a leading manufacturer and supplier of biochemical reagents and life science products. We have over 40,000 items in stock (real-time inventory) and offer discounted prices to registered members of the online store ( www.acmec.com.cn ) Appea
Cas:3382-18-1
Min.Order:1 bottle
Negotiable
Type:Lab/Research institutions
inquiryOur clients, like BASF,CHEMO,Brenntag,ASR,Evonik,Merck and etc.Appearance:COA Storage:in stock Application:MSDS/TDS
Cas:3382-18-1
Min.Order:0
Negotiable
Type:Manufacturers
inquiryAnsciep Chemical is a professional enterprise manufacturing and distributing fine chemicals and speciality chemicals. We have been dedicated to heterocycle compounds and phenyl rings for tens of years. This is our mature product for export. Our quali
Cas:3382-18-1
Min.Order:0
Negotiable
Type:Lab/Research institutions
inquiryHigh quality 6,7-Dimethoxy-3,4-Dihydro-Isoquinoline supplier in China CAS NO.3382-18-1 Application:High quality 6,7-Dimethoxy-3,4-Dihydro-Isoquinoline supplier in China CAS NO.3382-18-1
Cas:3382-18-1
Min.Order:0
Negotiable
Type:Other
inquiryN-[2-(3,4-dimethoxyphenyl)ethyl]formamide
6,7-dimethoxy-3,4-dihydro-isoquinoline
Conditions | Yield |
---|---|
With phosphorus pentachloride In dichloromethane at 20℃; for 0.5h; Bischler-Napieralski Reaction; Inert atmosphere; | 100% |
With trichlorophosphate In toluene | 89% |
With trichlorophosphate In toluene at 85℃; for 1h; Bischler-Napieralski cyclization; | 76% |
3,4-dihydro-6,7-dimethoxyisoquinoline hydrochloride
6,7-dimethoxy-3,4-dihydro-isoquinoline
Conditions | Yield |
---|---|
With sodium carbonate In water Inert atmosphere; | 99% |
With potassium carbonate In diethyl ether; water | 4.12 g |
6,7-dimethoxy-1,2,3,4-tetrahydroisoquinoline
6,7-dimethoxy-3,4-dihydro-isoquinoline
Conditions | Yield |
---|---|
With carbon dioxide; DBN; Eosin Y In dimethyl sulfoxide at 25 - 30℃; for 48h; Irradiation; | 97% |
With tert.-butylhydroperoxide; tris(triphenylphosphine)ruthenium(II) chloride; palladium In decane Molecular sieve; | 96% |
With 4-tert-butyl-5-methoxy-1,2-benzoquinone; oxygen In acetonitrile at 20℃; for 48h; Schlenk technique; | 95% |
hexamethylenetetramine
2-(3,4-dimethoxyphenyl)-ethylamine
6,7-dimethoxy-3,4-dihydro-isoquinoline
Conditions | Yield |
---|---|
With acetic acid; trifluoroacetic acid for 5h; Reflux; | 95% |
With trifluoroacetic acid In acetic acid at 90℃; for 0.5h; Pictet-Spengler Synthesis; Inert atmosphere; | 94% |
In acetic acid; trifluoroacetic acid for 0.5h; Pictet-Spengler reaction; Heating; | 90% |
With acetic acid; trifluoroacetic acid at 90℃; for 0.5h; Inert atmosphere; | 90% |
6,7-dimethoxy-3,4-dihydro-isoquinoline
Conditions | Yield |
---|---|
With sodium hydroxide In water pH=10; | 92% |
2-(3,4-dimethoxyphenyl)-ethylamine
formic acid ethyl ester
6,7-dimethoxy-3,4-dihydro-isoquinoline
Conditions | Yield |
---|---|
Stage #1: 2-(3,4-dimethoxyphenyl)-ethylamine; formic acid ethyl ester for 14h; Reflux; Stage #2: With phosphorus pentachloride In dichloromethane at 20℃; for 2h; | 90% |
Stage #1: 2-(3,4-dimethoxyphenyl)-ethylamine; formic acid ethyl ester for 12h; Reflux; Stage #2: With trichlorophosphate at 0 - 40℃; for 3.33333h; Bischler-Napieralski Reaction; | 75% |
Conditions | Yield |
---|---|
Stage #1: N-methylhomoveratrylamine With formaldehyd; Eaton’s reagent at 85℃; for 2h; Inert atmosphere; Stage #2: With sodium hydroxide In Isopropyl acetate; water at 25℃; pH=8-8.5; Concentration; Temperature; | 84.23% |
6,7-dimethoxy-1,2,3,4-tetrahydroisoquinoline
A
6,7-dimethoxyisoquinoline
B
6,7-dimethoxy-3,4-dihydro-isoquinoline
Conditions | Yield |
---|---|
With oxygen; tetraacetatodiruthenium chloride In toluene at 50℃; under 760.051 Torr; for 12h; | A 4% B 80% |
With potassium carbonate; 1-(tert-butylperoxy)-1,2-benziodoxol-3(1H)-one In benzene for 3.5h; Ambient temperature; | A 6% B 76% |
With sodium carbonate In ethyl acetate at 120℃; for 24h; Sealed tube; Green chemistry; Overall yield = 63 %; | A 13% B 50% |
With [(η5-pentamethylcyclopentadienyl)IrCl(dipyrido[3,2-a:2',3'-c]phenazine)](CF3SO3) In aq. phosphate buffer at 37℃; for 48h; pH=7; Irradiation; |
6,7-dimethoxy-3,4-dihydro-isoquinoline
Conditions | Yield |
---|---|
In methanol at 50 - 55℃; for 3h; Bischler-Napieralski Reaction; | 80% |
hexamethylenetetramine
2-(3,4-dimethoxyphenyl)-ethylamine
A
2-methyl-6,7-dimethoxy-1,2,3,4-tetrahydroisoquinoline
B
6,7-dimethoxy-3,4-dihydro-isoquinoline
Conditions | Yield |
---|---|
With formic acid for 1h; Pictet-Spengler reaction; Heating; | A 78% B 10% |
A
6,7-dimethoxy-3,4-dihydro-isoquinoline
B
3,4-dimethoxy-benzaldehyde
C
(3,4-dimethoxyphenyl)methanol
Conditions | Yield |
---|---|
With 2,2'-azobis(isobutyronitrile); tri-n-butyl-tin hydride In toluene for 4h; Decomposition; radical cyclization; Heating; | A 77% B 10% C 45% D 14% |
formaldehyd
2-(3,4-dimethoxyphenyl)-ethylamine
6,7-dimethoxy-3,4-dihydro-isoquinoline
Conditions | Yield |
---|---|
for 0.5h; Reflux; | 70% |
Pictet-Spengler reaction; |
6,7-dimethoxy-1,2,3,4-tetrahydroisoquinoline monohydrochloride
A
6,7-dimethoxyisoquinoline
B
6,7-dimethoxy-3,4-dihydro-isoquinoline
Conditions | Yield |
---|---|
With nickel(II) sulphate; sodium hydroxide; dipotassium peroxodisulfate In dichloromethane; water for 1h; Ambient temperature; | A 6% B 60% |
(+/-)-1-(2-bromo-4,5-dimethoxybenzyl)-6,7-dimethoxy-1,2,3,4-tetrahydroisoquinoline
A
6,7-dimethoxy-3,4-dihydro-isoquinoline
B
1,2-dimethoxy-4-methylbenzene
Conditions | Yield |
---|---|
With 2,2'-azobis(isobutyronitrile); tri-n-butyl-tin hydride In toluene for 4h; Decomposition; Heating; | A 60% B 60% |
6,7-dimethoxy-1,2,3,4-tetrahydroisoquinoline
A
6,7-dimethoxy-3,4-dihydro-isoquinoline
Conditions | Yield |
---|---|
With air; FlEt+·ClO4- In acetonitrile at 37℃; for 552h; Title compound not separated from byproducts; | A 200 % Spectr. B 55% |
nitromethane
2-(3,4-dimethoxyphenyl)-ethylamine
6,7-dimethoxy-3,4-dihydro-isoquinoline
Conditions | Yield |
---|---|
With polyphosphoric acid at 100℃; for 1.5h; | 50% |
1,2,3,4-tetrahydro-6,7-dimethoxy-2-(3,4-dimethoxybenzyl)isoquinoline
A
6,7-dimethoxy-3,4-dihydro-isoquinoline
B
3,4-dimethoxy-benzaldehyde
C
Veratric acid
Conditions | Yield |
---|---|
With sodium perchlorate In acetonitrile anode potential 0.95 - 1.1 V; | A 16% B 10% C 8% |
1,2,3,4-tetrahydro-6,7-dimethoxy-2-(3,4-dimethoxybenzyl)isoquinoline
6,7-dimethoxy-3,4-dihydro-isoquinoline
Conditions | Yield |
---|---|
With manganese(IV) oxide; sulfuric acid |
1-ethyl-9,10-dimethoxy-2-oxo-1,3,4,6,7,11b-hexahydro-2H-pyrido[2,1-a]isoquinoline-3-carboxylic acid ethyl ester
A
6,7-dimethoxy-3,4-dihydro-isoquinoline
B
1-ethyl-9,10-dimethoxy-1,3,4,6,7,11b-hexahydro-pyrido[2,1-a]isoquinolin-2-one
Conditions | Yield |
---|---|
With hydrogenchloride |
1-isobutyl-9,10-dimethoxy-2-oxo-1,3,4,6,7,11b-hexahydro-2H-pyrido[2,1-a]isoquinoline-3-carboxylic acid ethyl ester
A
6,7-dimethoxy-3,4-dihydro-isoquinoline
B
1-isobutyl-9,10-dimethoxy-1,3,4,6,7,11b-hexahydro-pyrido[2,1-a]isoquinolin-2-one
Conditions | Yield |
---|---|
With hydrogenchloride |
(+/-)-1-(2-bromo-4,5-dimethoxybenzyl)-6,7-dimethoxy-1,2,3,4-tetrahydroisoquinoline
6,7-dimethoxy-3,4-dihydro-isoquinoline
Conditions | Yield |
---|---|
With 2,2'-azobis(isobutyronitrile); tri-n-butyl-tin hydride In benzene for 18h; Heating; | 160 mg |
formic acid
2-(3,4-dimethoxyphenyl)-ethylamine
6,7-dimethoxy-3,4-dihydro-isoquinoline
Conditions | Yield |
---|---|
With trichlorophosphate at 190 - 200℃; for 2.5h; Yield given; | |
Stage #1: formic acid; 2-(3,4-dimethoxyphenyl)-ethylamine at 175℃; Inert atmosphere; Stage #2: With trichlorophosphate In toluene at 95℃; Bischler-Napieralski Reaction; Inert atmosphere; |
sulfuric acid
Tetrahydropapaverine
6,7-dimethoxy-3,4-dihydro-isoquinoline
6,7-dimethoxy-3,4-dihydro-isoquinoline
Conditions | Yield |
---|---|
With manganese(IV) oxide; sulfuric acid |
sulfuric acid
2-Benzoyl-1-<(3,4-dimethoxyphenyl)methyl>-6,7-dimethoxy-1,2,3,4-tetrahydroisoquinoline
A
6,7-dimethoxy-3,4-dihydro-isoquinoline
B
3,4-dimethoxy-benzaldehyde
C
benzoic acid
N-[2-(3,4-dimethoxyphenyl)ethyl]formamide
toluene
6,7-dimethoxy-3,4-dihydro-isoquinoline
(+/-)-1-(2-bromo-4,5-dimethoxybenzyl)-6,7-dimethoxy-1,2,3,4-tetrahydroisoquinoline
A
6,7-dimethoxy-3,4-dihydro-isoquinoline
Conditions | Yield |
---|---|
With 2,2'-azobis(isobutyronitrile); tributyltin deuteride In toluene for 4h; Decomposition; deuterium incorporation; Heating; |
Conditions | Yield |
---|---|
With 2,2'-azobis(isobutyronitrile); tri-n-butyl-tin hydride In toluene for 4h; Decomposition; deuterium incorporation; Heating; |
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: 100 percent / methanol / 12 h / Ambient temperature 2: 89 percent / POCl3 / toluene View Scheme | |
Multi-step reaction with 2 steps 1: 80 percent / HCO2H 2: t-butyl hydroperoxide / RuCl2(PPh3)3 View Scheme | |
Multi-step reaction with 2 steps 1.1: toluene / 5 h / 25 - 45 °C 2.1: phosphoric acid / toluene / 5 h / 110 °C 2.2: pH ~ 8.3 View Scheme |
6,7-dimethoxy-3,4-dihydro-isoquinoline
methyl iodide
2-methyl-6,7-dimethoxy-3,4-dihydroisoquinolinium iodide
Conditions | Yield |
---|---|
In diethyl ether at 20℃; Inert atmosphere; | 100% |
In tetrahydrofuran | |
In acetonitrile at 80℃; for 2h; |
6,7-dimethoxy-3,4-dihydro-isoquinoline
2-bromo-5-methoxybenzyl bromide
Conditions | Yield |
---|---|
In diethyl ether Heating; | 100% |
6,7-dimethoxy-3,4-dihydro-isoquinoline
3-hepten-2-one
A
(4R,11bS)-9,10-dimethoxy-4-propyl-3,4,6,7-tetrahydro-1H-pyrido[2,1-a]isoquinolin-2(11bH)-one
B
(4S,11bS)-9,10-dimethoxy-4-propyl-3,4,6,7-tetrahydro-1H-pyrido[2,1-a]isoquinolin-2(11bH)-one
Conditions | Yield |
---|---|
With (S)-2-(3-((1R,2R)-2-aminocyclohexyl)thioureido)-N-benzhydryl-N,3,3-trimethylbutanamide; acetic acid In toluene at 4℃; for 48h; Diels-Alder Cycloaddition; Inert atmosphere; enantioselective reaction; | A 99% B n/a |
6,7-dimethoxy-3,4-dihydro-isoquinoline
6,7-dimethoxy-1,2,3,4-tetrahydroisoquinoline
Conditions | Yield |
---|---|
With butyl triphenylphosphonium tetraborate at 20℃; for 0.1h; | 98% |
With 1-benzyl-1-azonia-4-azabicyclo[2.2.2]octane tetrahydroborate In tert-butyl alcohol at 20℃; for 0.2h; Reduction; | 95% |
With benzyltriphenylphosphonium borohydride In methanol at 20℃; for 0.333333h; | 90% |
2-bromo-2-(2-ethyl)dioxolane
6,7-dimethoxy-3,4-dihydro-isoquinoline
3,4-dihydro-6,7-dimethoxy-2-(3,3-ethylenedioxypropyl)isoquinolinium bromide
Conditions | Yield |
---|---|
98% | |
In diethyl ether; ethanol for 20h; Heating; | 90% |
3-cyano-4-methylpyridine
6,7-dimethoxy-3,4-dihydro-isoquinoline
(+/-)-5,6,13,13a-tetrahydro-2,3-dimethoxy-8H-isoquino<2,1-b><2,7>naphthyridine-8-imine
Conditions | Yield |
---|---|
With trimethylsilyl trifluoromethanesulfonate; lithium hexamethyldisilazane In tetrahydrofuran -40 deg C, 4 h; room temp., 12 h; | 97.5% |
Pyran-2-one-6-carbonyl chloride
6,7-dimethoxy-3,4-dihydro-isoquinoline
allyltributylstanane
(+/-)-1-allyl-6,7-dimethoxy-2-(2-oxo-2H-pyran-6-ylcarbonyl)-1,2,3,4-tetrahydroisoquinoline
Conditions | Yield |
---|---|
With 4 A molecular sieve In dichloromethane for 3.5h; Ambient temperature; | 97% |
6,7-dimethoxy-3,4-dihydro-isoquinoline
2,3-dimethoxybenzyl chloride
3,4-dihydro-6,7-dimethoxy-N-(2,3-dimethoxybenzyl)isoquinolinium chloride
Conditions | Yield |
---|---|
In benzene for 24h; Ambient temperature; | 97% |
6,7-dimethoxy-3,4-dihydro-isoquinoline
dimedone
2-(6,7-Dimethoxy-1,2,3,4-tetrahydro-isoquinolin-1-yl)-3-hydroxy-5,5-dimethyl-cyclohex-2-enone
Conditions | Yield |
---|---|
at 90℃; for 0.5h; | 96% |
6,7-dimethoxy-3,4-dihydro-isoquinoline
methyl 2-(((tertbutoxycarbonyl)oxy)(4-chlorophenyl)methyl)acrylate
Conditions | Yield |
---|---|
With iron(III) chloride In dimethyl sulfoxide at 130℃; for 4h; Morita-Baylis-Hillman Alkylation; | 96% |
6,7-dimethoxy-3,4-dihydro-isoquinoline
N-benzyl-N-(methoxymethyl)-N-[(trimethylsilyl)methyl]amine
Conditions | Yield |
---|---|
With trifluoroacetic acid In dichloromethane at 20℃; for 1h; | 96% |
6,7-dimethoxy-3,4-dihydro-isoquinoline
bromoacetic acid methyl ester
6,7-Dimethoxy-(2-methoxycarbonylmethyl)-3,4-dihydroisoquinolin-2-ium bromide
Conditions | Yield |
---|---|
In dichloromethane for 24h; Ambient temperature; | 95% |
In diethyl ether at 20℃; |
Conditions | Yield |
---|---|
In diethyl ether at 20℃; for 72h; | 95% |
6,7-dimethoxy-3,4-dihydro-isoquinoline
6,7-dimethoxy-1,2,3,4-tetrahydroisoquinoline-1-carbonitrile
Conditions | Yield |
---|---|
With acetic acid In methanol at 0 - 20℃; for 1h; Inert atmosphere; | 95% |
With hydrogenchloride In methanol; water at 0 - 20℃; for 17h; | 93% |
With acetic acid In methanol at 0 - 20℃; for 1h; | 92% |
With hydrogenchloride In methanol; water at 0 - 20℃; for 17h; | 88% |
With hydrogenchloride at 20℃; Inert atmosphere; |
6,7-dimethoxy-3,4-dihydro-isoquinoline
diisopropyl malonate
di-tert-butyl dicarbonate
(R)-diisopropyl 2-(2-(tert-butoxycarbonyl)-6,7-dimethoxy-1,2,3,4-tetrahydroisoquinolin-1-yl)malonate
Conditions | Yield |
---|---|
Stage #1: 6,7-dimethoxy-3,4-dihydro-isoquinoline; di-tert-butyl dicarbonate In dichloromethane at 20℃; for 0.5h; Stage #2: diisopropyl malonate In dichloromethane at 0 - 2.5℃; for 15h; | 94% |
Stage #1: 6,7-dimethoxy-3,4-dihydro-isoquinoline; di-tert-butyl dicarbonate In dichloromethane at 20℃; for 0.5h; Stage #2: diisopropyl malonate In dichloromethane at 0 - 2.5℃; for 15h; | 94% |
Stage #1: 6,7-dimethoxy-3,4-dihydro-isoquinoline; di-tert-butyl dicarbonate In dichloromethane at 20℃; for 0.5h; Stage #2: diisopropyl malonate; Pd-catalyst In dichloromethane at 0 - 2.5℃; for 15h; | 94% |
Stage #1: 6,7-dimethoxy-3,4-dihydro-isoquinoline; di-tert-butyl dicarbonate In dichloromethane at 20℃; for 0.5h; Stage #2: diisopropyl malonate In dichloromethane at 0 - 2.5℃; for 15h; | 94% |
6,7-dimethoxy-3,4-dihydro-isoquinoline
malonic acid
2‐(6,7‐dimethoxy‐1,2,3,4‐tetrahydroisoquinolin‐1‐yl)acetic acid
Conditions | Yield |
---|---|
for 1h; Heating; | 92% |
at 120℃; for 1h; | 92% |
Conditions | Yield |
---|---|
In dichloromethane for 14h; Ambient temperature; | 91% |
6,7-dimethoxy-3,4-dihydro-isoquinoline
2-(carbomethoxy)allyl tributyltin
Allyl chloroformate
Conditions | Yield |
---|---|
In dichloromethane for 4h; Ambient temperature; | 91% |
6,7-dimethoxy-3,4-dihydro-isoquinoline
Conditions | Yield |
---|---|
With water; sodium chloride In toluene at 50℃; for 11h; stereoselective reaction; | 91% |
6,7-dimethoxy-3,4-dihydro-isoquinoline
methyl 2-(((tert-butoxycarbonyl)oxy)(3,4-dichlorophenyl)methyl)acrylate
Conditions | Yield |
---|---|
With iron(III) chloride In dimethyl sulfoxide at 130℃; for 4h; Morita-Baylis-Hillman Alkylation; | 91% |
6,7-dimethoxy-3,4-dihydro-isoquinoline
trans-chrotonyl chloride
N-(2-formyl-4,5-dimethoxyphenetyl)crotonamide
Conditions | Yield |
---|---|
With sodium hydrogencarbonate In dichloromethane for 0.833333h; | 90% |
With sodium hydrogencarbonate In dichloromethane; water Ambient temperature; | 75% |
6,7-dimethoxy-3,4-dihydro-isoquinoline
2-(carbomethoxy)allyl tributyltin
methyl chloroformate
Conditions | Yield |
---|---|
In dichloromethane for 3.5h; Ambient temperature; | 90% |
6,7-dimethoxy-3,4-dihydro-isoquinoline
acetyl chloride
N-[2-(2-formyl-4,5-dimethoxy-phenyl)-ethyl]-acetamide
Conditions | Yield |
---|---|
With sodium hydrogencarbonate In dichloromethane for 1.5h; Ambient temperature; | 90% |
6,7-dimethoxy-3,4-dihydro-isoquinoline
methyllithium
(6,7-dimethoxy-1-methyl-1,2,3,4-tetrahydroisoquinoline)
Conditions | Yield |
---|---|
With (-)-sparteine In tetrahydrofuran; diethyl ether at -20℃; for 2h; | 90% |
About|Contact|Cas|Product Name|Molecular|Country|Encyclopedia
Message|New Cas|MSDS|Service|Advertisement|CAS DataBase|Article Data|Manufacturers | Chemical Catalog
©2008 LookChem.com,License: ICP
NO.:Zhejiang16009103
complaints:service@lookchem.com Desktop View