Lonwin Industry group limited as a professional manufactor & exporter of chemical materials ,we totally haver more than 230 stuffs, we have been on this line for more than 9 years. Our chemical materials are exported to lot of countries and
Cas:109113-72-6
Min.Order:100 Kilogram
FOB Price: $100.0 / 150.0
Type:Other
inquiryHigh quality. Factory supply. In stock. Best price. 1.Quick response within 24 hours; 2.Best quality in your requirement; 3.We pay more attention on delivery time, and usually ship on time; 4.Under the premise of safety and effectiveness, we can pr
Cas:109113-72-6
Min.Order:1 Kilogram
Negotiable
Type:Trading Company
inquiryhigh quality ,iso , cgmp . accept the supplier audit . in stock now ,capacity is flexible support the documents Appearance: Light yellow powder Storage: protect from light seal room temperature Package:DRUM Application:key intermediates
Cas:109113-72-6
Min.Order:1 Gram
Negotiable
Type:Lab/Research institutions
inquiryAs 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:109113-72-6
Min.Order:1 Kilogram
FOB Price: $3.0
Type:Lab/Research institutions
inquiryWhy is SINOWAY: 1) Specialized in pharmaceutical and healthcare industrial for 34 years. 2) ISO 9001:2015 & SGS audited supplier . 3) Accept various payment terms : T.T 30-60 days. 4) We have warehouse in USA with quickly shipment . 5) We c
Cas:109113-72-6
Min.Order:2 Kilogram
FOB Price: $55.0 / 200.0
Type:Trading Company
inquiryItems Standard Result Appearance White to slightly yellow powder Slightly yellow powder Assay
Cas:109113-72-6
Min.Order:1 Gram
FOB Price: $100.0 / 500.0
Type:Trading Company
inquiryUnique advantages Guaranteed purity High quality & competitive price Quality control Fast feedback Prompt shipment Appearance:White powder Storage:cool dry place Package:25kg/drum Application:pharmaceutical intermediate Transportation:by co
Cas:109113-72-6
Min.Order:1 Kilogram
Negotiable
Type:Trading Company
inquiryName 2-(Chloromethyl)-4-methylquinazoline HANGZHOU THINK CHEMICAL CO., LTD. (THINKCHEM) is an integrative corporation of trade, research and contract manufacture. With about ten years of business e
Cas:109113-72-6
Min.Order:1 Kilogram
Negotiable
Type:Other
inquiryhigh quality Appearance:white powder Storage:Sealed, dry, microtherm , avoid light and smell Package:According to the demand of customer Application:Pharmaceutical intermediates Transportation:by air or by sea Port:shanghai
Cas:109113-72-6
Min.Order:1 Kilogram
Negotiable
Type:Manufacturers
inquiryCangzhou Enke Pharma Tech Co.,ltd. is located in Cangzhou City, Hebei province ,where is a famous petroleum chemical industry city in China. Enke Pharma a high-tech enterprise ,and we are dedicated to developing and manufacturing new api, intermedi
Cas:109113-72-6
Min.Order:1 Kilogram
FOB Price: $1.0
Type:Manufacturers
inquiry1. made in GMP plant, commerially 2. Normal Stock: 500kgs 3. Audit accepted. Related documents are available to offer and audited by many clients, such as Lupin, MSN, Dr reddy etc 4. Chromatographic Purity (HPLC): not less than 99
Cas:109113-72-6
Min.Order:0 Metric Ton
Negotiable
Type:Manufacturers
inquiryShanghai Seasonsgreen Chemical is a high-tech research and development, production, sale and custom synthesis set in one high-tech chemical products enterprises. Our sales and marketing division is located in Shanghai, serving international pharmaceu
Cas:109113-72-6
Min.Order:1 Kilogram
FOB Price: $1.0
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:109113-72-6
Min.Order:5 Kiloliter
FOB Price: $1.2 / 5.0
Type:Manufacturers
inquiryProduct Description Product website: http://www.finerchem.com/pro01en/id/682.html Product Name 2-(Chloromethyl)-4-methylquinazoline
Cas:109113-72-6
Min.Order:1 Gram
FOB Price: $45.0
Type:Lab/Research institutions
inquiry2-(chloromethyl)-4-methylquinazoline Basic information Product Name: 2-(chloromethyl)-4-methylquinazoline Synonyms: 2-(chloromethyl)-4-methylquinazoline;Quinazoline,2-(chloroMethyl)-4-Methyl-;Linagliptin interMediate A;2-chloroMethyl-4-Methyl q
Advantage : 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&
Cas:109113-72-6
Min.Order:1 Gram
FOB Price: $1.0
Type:Lab/Research institutions
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
Cas:109113-72-6
Min.Order:1 Kilogram
FOB Price: $1.0 / 10.0
Type:Trading Company
inquiryOur company was built in 2009 with an ISO certificate.In the past 6 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:109113-72-6
Min.Order:1 Metric Ton
FOB Price: $500.0
Type:Lab/Research institutions
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:109113-72-6
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:109113-72-6
Min.Order:10 Kilogram
FOB Price: $40.0 / 60.0
Type:Trading Company
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 email in time prod
Cas:109113-72-6
Min.Order:1 Kilogram
Negotiable
Type:Lab/Research institutions
inquiryName: 2-(Chloromethyl)-4-methylquinazoline Synonyms: Quinazoline, 2-(chloromethyl)-4-methyl- CAS: 109113-72-6 MF: C10H9ClN2 Appearance:White powder Storage:Store in cool and dry place, away from sun light. Package:25kg/drum Application:Pharmaceuti
Cas:109113-72-6
Min.Order:1 Kilogram
FOB Price: $1.0
Type:Other
inquiryAppearance:Light yellow to Yellow to Orange powder Storage:under inert gas (nitrogen or Argon) at 2–8 °C Package:25kg/drum Application:2-(Chloromethyl)-4-methylquinazoline, is a building block used for the preparation of Linagliptin (L465900), and
Cas:109113-72-6
Min.Order:1 Kilogram
FOB Price: $1.0
Type:Lab/Research institutions
inquiryAdvantages: Hubei XinRunde Chemical Co., Ltd is a renowned pharmaceutical manufacturer. We can offer high quality products at competitive price in quick delivery with 100% custom pass guaranteed. Never stop striving to offer our best serv
Cas:109113-72-6
Min.Order:10 Gram
Negotiable
Type:Other
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:109113-72-6
Min.Order:1 Kilogram
Negotiable
Type:Lab/Research institutions
inquiryWe are the manufacturers and suppliers of API in China, and warehouse in Germany and USA of California, which can quickly and safely deliver to your address 1.High quality and competitive price. 2.Free sample for your evaluation. 3.Promptly delivery
Cas:109113-72-6
Min.Order:10 Gram
FOB Price: $3.1
Type:Trading Company
inquiryHangzhou Huarong Pharm Co., Ltd. established since 2009 , has been always focusing on supplying products and services to our clients in the field of small molecule drug. Huarong Pharm has built platforms for the research, development and manufac
Cas:109113-72-6
Min.Order:1 Gram
FOB Price: $1.0 / 2.0
Type:Lab/Research institutions
inquiryWuhan hanweishi Pharmchem Co., Ltd(Hanways chempharm) is a specialized company concentrating on the R&D, production, marketing and technical service of APIs and pharmaceutical intermediates. The leading products range are APIs, Hormones, Peptides
Cas:109113-72-6
Min.Order:100 Kilogram
FOB Price: $1.0 / 5.0
Type:Trading Company
inquiryOur company has been in existence for 10 years since its establishment. We have our own unique team. The company integrates independent research and development, production and sales. We have established famous brands at home and abroad. At present
Cas:109113-72-6
Min.Order:1 Kilogram
FOB Price: $700.0
Type:Trading Company
inquiry2-(Chloromethyl)-4-methylquinazoline CAS 109113-72-6 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 q
Cas:109113-72-6
Min.Order:10 Gram
Negotiable
Type:Lab/Research institutions
inquiryConditions | Yield |
---|---|
Stage #1: 2-aminoacetophenone With phosphoric acid In ethanol at 20℃; Stage #2: Chloroacetamide In ethanol Reagent/catalyst; Solvent; Reflux; | 94.26% |
With oxygen; triethylamine; copper(l) chloride In tetrahydrofuran for 12h; Reflux; | 88% |
2-aminoacetophenone
chloroacetonitrile
2-chloromethyl-4-methylquinazoline
Conditions | Yield |
---|---|
With hydrogenchloride In 1,4-dioxane at 6℃; for 2h; | 85% |
With hydrogenchloride; [1-(3-sulfonic acid)]propyl-3-methylimidazolium hydrogen sulfate In 1,4-dioxane; water at 8℃; for 18h; Reagent/catalyst; Temperature; | 85.14% |
Stage #1: 2-aminoacetophenone With hydrogenchloride In 1,4-dioxane at 10℃; Cooling; Stage #2: chloroacetonitrile In 1,4-dioxane at -10℃; for 1h; | 45% |
chloroacetonitrile
2-chloromethyl-4-methylquinazoline
Conditions | Yield |
---|---|
Stage #1: 2-aminoacetophenone With hydrogenchloride In 1,4-dioxane at -10 - 25℃; Stage #2: chloroacetonitrile In 1,4-dioxane at -10 - 2℃; for 3h; Stage #3: With sodium hydroxide In 1,4-dioxane; water at 5 - 11℃; | 74% |
2-(chloromethyl)-4-methylquinazoline 3-oxide
2-chloromethyl-4-methylquinazoline
Conditions | Yield |
---|---|
With phosphorus trichloride In chloroform Heating / reflux; | 57% |
Ro 5-3663
2-chloromethyl-4-methylquinazoline
Conditions | Yield |
---|---|
With trichlorophosphate for 0.5h; Heating; | 52% |
8-bromo-7-(but-2-yn-1-yl)-3-methyl-2,,6-dihydro-1H-purine-2,6-dione
2-chloromethyl-4-methylquinazoline
2-bromo-1-(but-2-ynyl)-4-methyl-6-((4-methylquinazolin-2-yl)methyl)-1H-imidazo[4,5-b]pyridine-5,7-(4H,6H)-dione
Conditions | Yield |
---|---|
With potassium carbonate In N,N-dimethyl-formamide at 90℃; for 8h; | 95.77% |
With potassium carbonate In 1-methyl-pyrrolidin-2-one at 75℃; for 6h; | 93% |
With sodium carbonate In N,N-dimethyl acetamide at 100℃; for 6h; Temperature; Large scale; | 89.4% |
(R)-piperidin-3-ylcarbamic acid tert-butyl ester
8-bromo-7-(but-2-yn-1-yl)-3-methyl-2,,6-dihydro-1H-purine-2,6-dione
2-chloromethyl-4-methylquinazoline
Conditions | Yield |
---|---|
Stage #1: 8-bromo-7-(but-2-yn-1-yl)-3-methyl-3,7-dihydro-1H-purine-2,6-dione; 2-chloromethyl-4-methylquinazoline With potassium carbonate In 1-methyl-pyrrolidin-2-one; acetonitrile at 50℃; for 6h; Stage #2: (R)-piperidin-3-ylcarbamic acid tert-butyl ester In 1-methyl-pyrrolidin-2-one; acetonitrile at 60℃; for 8h; Solvent; Temperature; | 95.1% |
With sodium carbonate at 55 - 60℃; for 6h; Concentration; Reagent/catalyst; | 91.8% |
Stage #1: (R)-piperidin-3-ylcarbamic acid tert-butyl ester; 8-bromo-7-(but-2-yn-1-yl)-3-methyl-3,7-dihydro-1H-purine-2,6-dione With 1-methyl-pyrrolidin-2-one; potassium carbonate; potassium iodide for 10h; Stage #2: 2-chloromethyl-4-methylquinazoline for 12h; Time; | 90% |
Stage #1: 8-bromo-7-(but-2-yn-1-yl)-3-methyl-3,7-dihydro-1H-purine-2,6-dione; 2-chloromethyl-4-methylquinazoline With potassium carbonate; potassium iodide In 1-methyl-pyrrolidin-2-one at 40 - 50℃; Stage #2: (R)-piperidin-3-ylcarbamic acid tert-butyl ester Reagent/catalyst; Solvent; Temperature; | 86.7% |
Stage #1: 8-bromo-7-(but-2-yn-1-yl)-3-methyl-3,7-dihydro-1H-purine-2,6-dione; 2-chloromethyl-4-methylquinazoline With potassium carbonate; potassium iodide In 1-methyl-pyrrolidin-2-one at 40 - 50℃; Stage #2: (R)-piperidin-3-ylcarbamic acid tert-butyl ester In 1-methyl-pyrrolidin-2-one Reagent/catalyst; Solvent; Temperature; |
2-chloromethyl-4-methylquinazoline
Conditions | Yield |
---|---|
With potassium carbonate In N,N-dimethyl-formamide at 80℃; for 10h; | 94.8% |
With sodium hydrogencarbonate In 1-methyl-pyrrolidin-2-one at 90℃; Solvent; Temperature; | 1.8 g |
2-bromo-3-(2-butyn-1-yl)-3,5-dihydro-imidazo[4,5-d]pyridazin-4-one
2-chloromethyl-4-methylquinazoline
2-bromo-3-(2-butyn-1-yl)-5-[(4-methyl-quinazolin-2-yl)methyl]-3,5-dihydro-imidazo[4,5-d]pyridazin-4-one
Conditions | Yield |
---|---|
With caesium carbonate In DMF (N,N-dimethyl-formamide) at 80℃; for 1h; | 94% |
With caesium carbonate In DMF (N,N-dimethyl-formamide) at 80℃; for 1h; | 94% |
With potassium carbonate In 1-methyl-pyrrolidin-2-one at 80℃; for 3h; | 75% |
Conditions | Yield |
---|---|
With triethylamine In 1-methyl-pyrrolidin-2-one at 80 - 85℃; Reagent/catalyst; Solvent; Temperature; | 93.6% |
With triethylamine In 1-methyl-pyrrolidin-2-one at 80 - 85℃; for 34h; Solvent; Temperature; Reagent/catalyst; | 93.6% |
2-chloromethyl-4-methylquinazoline
Conditions | Yield |
---|---|
With potassium carbonate In N,N-dimethyl-formamide at 90℃; for 8h; | 93.2% |
Stage #1: 8-iodine-7-(2-butynyl)-3-methyl-1H-purine-2,6(3H,7H)-dione; 2-chloromethyl-4-methylquinazoline With sodium carbonate In 1-methyl-pyrrolidin-2-one at 90℃; for 11h; Stage #2: With acetic acid In ethanol at 60℃; for 0.5h; | 65% |
8-bromo-7-(but-2-yn-1-yl)-3-methyl-2,,6-dihydro-1H-purine-2,6-dione
C13H14N2O2
2-chloromethyl-4-methylquinazoline
(R)-7-(but-2-yn-1-yl)-8-(3-(1,3-dioxoisoindolin-2-yl)piperidin-1-yl)-3-methyl-1-((4-methylquinazolin-2-yl)methyl)-3,7-dihydro-1H-purine2,6-dione
Conditions | Yield |
---|---|
Stage #1: 8-bromo-7-(but-2-yn-1-yl)-3-methyl-3,7-dihydro-1H-purine-2,6-dione; C13H14N2O2 With 1-methyl-pyrrolidin-2-one; potassium carbonate; potassium iodide at 50 - 60℃; Stage #2: 2-chloromethyl-4-methylquinazoline | 91% |
1-(but-2-yn-1-yl)-6-chloropyrimidine-2,4(1H,3H)-dione
2-chloromethyl-4-methylquinazoline
Conditions | Yield |
---|---|
Stage #1: 1-(but-2-yn-1-yl)-6-chloropyrimidine-2,4(1H,3H)-dione With sodium hydride; lithium bromide In N,N-dimethyl-formamide at 0℃; for 0.5h; Inert atmosphere; Stage #2: 2-chloromethyl-4-methylquinazoline In N,N-dimethyl-formamide at 80℃; Inert atmosphere; | 88% |
Stage #1: 1-(but-2-yn-1-yl)-6-chloropyrimidine-2,4(1H,3H)-dione With sodium hydride In dimethyl sulfoxide; N,N-dimethyl-formamide at 0℃; for 0.0833333h; Stage #2: With lithium bromide In dimethyl sulfoxide; N,N-dimethyl-formamide for 0.25h; Stage #3: 2-chloromethyl-4-methylquinazoline In dimethyl sulfoxide; N,N-dimethyl-formamide at 20℃; | 86.5% |
1-(but-2-yn-1-yl)-6-chloropyrimidine-2,4(1H,3H)-dione
2-chloromethyl-4-methylquinazoline
Conditions | Yield |
---|---|
Stage #1: 1-(but-2-yn-1-yl)-6-chloropyrimidine-2,4(1H,3H)-dione With sodium hydride In dimethyl sulfoxide; N,N-dimethyl-formamide at 0℃; for 0.0833333h; Stage #2: With lithium bromide In dimethyl sulfoxide; N,N-dimethyl-formamide for 0.25h; Stage #3: 2-chloromethyl-4-methylquinazoline In dimethyl sulfoxide; N,N-dimethyl-formamide at 20℃; | 86.5% |
8-bromo-3-methyl-7-(thietan-3-yl)-3,7-dihydro-1H-pyrine-2,6-dione
2-chloromethyl-4-methylquinazoline
Conditions | Yield |
---|---|
Stage #1: 8-bromo-3-methyl-7-(thietan-3-yl)-3,7-dihydro-1H-pyrine-2,6-dione With potassium hydroxide In water; N,N-dimethyl-formamide for 0.5h; Stage #2: 2-chloromethyl-4-methylquinazoline In water; N,N-dimethyl-formamide at 20℃; for 6h; | 86% |
8-bromo-7-(but-2-yn-1-yl)-3-methyl-2,,6-dihydro-1H-purine-2,6-dione
(R)-ethyl nipecotate
2-chloromethyl-4-methylquinazoline
Conditions | Yield |
---|---|
Stage #1: 8-bromo-7-(but-2-yn-1-yl)-3-methyl-3,7-dihydro-1H-purine-2,6-dione; (R)-ethyl nipecotate With 1-methyl-pyrrolidin-2-one; potassium carbonate; potassium iodide at 60 - 70℃; Stage #2: 2-chloromethyl-4-methylquinazoline | 85% |
3-methyl-7-(2-butyn-1-yl)-8-[(R)-3-(tert-butoxycarbonylamino)piperidin-1-yl]xanthine
2-chloromethyl-4-methylquinazoline
Conditions | Yield |
---|---|
With tetrabutylammomium bromide; potassium carbonate In cyclohexane Reagent/catalyst; Solvent; Reflux; | 80.3% |
2-chloromethyl-4-methylquinazoline
Conditions | Yield |
---|---|
With sodium carbonate In N,N-dimethyl-formamide at 80℃; for 12h; | 80% |
2-chloromethyl-4-methylquinazoline
acetaldehyde
2-chloromethyl-4-methylquinazoline
Conditions | Yield |
---|---|
With sodium hydroxide In 1,4-dioxane; water at 10 - 25℃; for 17.5h; | 77.78% |
8-bromo-7-(but-2-yn-1-yl)-3-methyl-2,,6-dihydro-1H-purine-2,6-dione
2-chloromethyl-4-methylquinazoline
Conditions | Yield |
---|---|
Stage #1: 8-bromo-7-(but-2-yn-1-yl)-3-methyl-2,,6-dihydro-1H-purine-2,6-dione With chloro-trimethyl-silane; trimethylsilyl trifluoromethanesulfonate In toluene for 24h; Reflux; Stage #2: 2-chloromethyl-4-methylquinazoline With sodium hydride In N,N-dimethyl-formamide at 0 - 10℃; for 5h; | 72.5% |
2-chloromethyl-4-methylquinazoline
Conditions | Yield |
---|---|
With sodium carbonate In N,N-dimethyl-formamide at 80℃; for 12h; | 72% |
2-chloromethyl-4-methylquinazoline
(R)-7-(but-2-yn-1-yl)-8-(3-(1,3-dioxoisoindolin-2-yl)piperidin-1-yl)-3-methyl-1-((4-methylquinazolin-2-yl)methyl)-3,7-dihydro-1H-purine2,6-dione
Conditions | Yield |
---|---|
With potassium carbonate In tetrahydrofuran for 25h; Reflux; | 69.8% |
2-chloromethyl-4-methylquinazoline
Conditions | Yield |
---|---|
Stage #1: 1-allyl-6-chloropyrimidine-2,4(1H,3H)-dione With sodium hydride; lithium bromide In N,N-dimethyl-formamide at 0℃; for 0.5h; Inert atmosphere; Stage #2: 2-chloromethyl-4-methylquinazoline In N,N-dimethyl-formamide at 80℃; Inert atmosphere; | 65% |
8-bromo-7-(but-2-yn-1-yl)-3-methyl-2,,6-dihydro-1H-purine-2,6-dione
2-chloromethyl-4-methylquinazoline
Conditions | Yield |
---|---|
Stage #1: 8-bromo-7-(but-2-yn-1-yl)-3-methyl-3,7-dihydro-1H-purine-2,6-dione; 2-chloromethyl-4-methylquinazoline With potassium carbonate In N,N-dimethyl-formamide at 90℃; for 6h; Stage #2: 3-(R)-aminopiperidine dihydrochloride With potassium carbonate In N,N-dimethyl-formamide at 80℃; for 8h; | 57% |
Stage #1: 8-bromo-7-(but-2-yn-1-yl)-3-methyl-3,7-dihydro-1H-purine-2,6-dione; 2-chloromethyl-4-methylquinazoline With potassium carbonate In N,N-dimethyl-formamide at 90℃; for 6h; Stage #2: 3-(R)-aminopiperidine dihydrochloride With potassium carbonate In N,N-dimethyl-formamide at 20 - 80℃; for 8h; Stage #3: pH=8; | 57% |
2,2,2-trifluoroacetamide
2-chloromethyl-4-methylquinazoline
Conditions | Yield |
---|---|
Stage #1: 2,2,2-trifluoroacetamide With caesium carbonate In tetrahydrofuran at 20℃; for 0.0833333h; Inert atmosphere; Stage #2: 2-chloromethyl-4-methylquinazoline In tetrahydrofuran at 65℃; for 16h; Inert atmosphere; | 55% |
2-[(6-chloro-2,4-dioxo-1,2,3,4-tetrahydropyrimidin-1-yl)methyl]benzonitrile
2-chloromethyl-4-methylquinazoline
Conditions | Yield |
---|---|
Stage #1: 2-[(6-chloro-2,4-dioxo-1,2,3,4-tetrahydropyrimidin-1-yl)methyl]benzonitrile With sodium hydride; lithium bromide In N,N-dimethyl-formamide at 0℃; for 0.5h; Inert atmosphere; Stage #2: 2-chloromethyl-4-methylquinazoline In N,N-dimethyl-formamide at 80℃; Inert atmosphere; | 50% |
2,5-dimethoxyphenylboronic acid
2-chloromethyl-4-methylquinazoline
C18H18N2O2
Conditions | Yield |
---|---|
With potassium phosphate; C12H10ClNPd*C16H21O3P In tetrahydrofuran; water at 60℃; for 20h; | 24% |
2-chloromethyl-4-methylquinazoline
Conditions | Yield |
---|---|
Stage #1: 6-chloro-1-(prop-2-ynyl)pyrimidine-2,4(1H,3H)-dione With sodium hydride; lithium bromide In N,N-dimethyl-formamide at 0℃; for 0.5h; Inert atmosphere; Stage #2: 2-chloromethyl-4-methylquinazoline In N,N-dimethyl-formamide at 80℃; Inert atmosphere; | 22% |
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