Product name: 2,6-Dichloro-4,8-dipiperidino-pyrimido[5,4-d]pyrimidine Cas No: 7139-02-8 Assay: 98%min Hangzhou Verychem Science And Technology Co. Ltd. was set up in year 2004, it’s a young but fa
Cas:7139-02-8
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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:7139-02-8
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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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inquiryAdvantage : LIDE PHARMACEUTICALS LIMITED is a professional chemicals and APIs leading manufacturer in China. Our core business line covers APIs, Intermediates, Herb extract, etc. We are specialized in chemical synthesis, process development of
Cas:7139-02-8
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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
Cas:7139-02-8
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inquiryProduct Name: 2,6-Dichloro-4,8-dipiperidinopyrimidino[5,4-d]pyrimidine CAS RN.: 7139-02-8 Molecular Formula: C16H20Cl2N6 Molecular Weight: 367.28 Appearance: white powder Storage:Store in cool and dry place, away from sun light. Package: 25kgs/drum
Cas:7139-02-8
Min.Order:1 Kilogram
FOB Price: $1.0
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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:7139-02-8
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inquiry2,6-Dichloro-4,8-dipiperidinopyrimidino[5,4-d]pyrimidine CAS:7139-02-8 Qingdao Belugas Import and Export Co., Ltd. is a scientific and technological company integrating research and development, production and trade of chemical intermediates, specia
Cas:7139-02-8
Min.Order:1 Gram
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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:7139-02-8
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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
Cas:7139-02-8
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inquirysuperior quality, moderate price & quick delivery Our product quality and property receive very good reputations both domestically and abroad. the products are well sold to over 10 provinces in China, and to Asia, Europe, the Americas, Af
Cas:7139-02-8
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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
Cas:7139-02-8
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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:7139-02-8
Min.Order:10 Gram
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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,
Cas:7139-02-8
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inquiryProduct name: 2,6-Dichloro-4,8-Dipiperidinopyrimidino[5,4-d]pyrimidine CAS No.: 7139-02-8 Molecule Formula:C16H20Cl2N6 Molecule Weight:367.28 Purity: 99.0% Package: 25kg/drum Description:White crystalline powder Manufacture Standards:
Cas:7139-02-8
Min.Order:1 Kilogram
Negotiable
Type:Trading Company
inquiryLocated in Hangzhou National Hi-Tech Industrial Development Zone, zhongqichem is a technical company mainly focus on the Custom synthesis, manufacturing, sales of chemicals to various industries. Benefiting from the outstanding customer service an
Cas:7139-02-8
Min.Order:1 Gram
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Type:Other
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, intermediat
Cas:7139-02-8
Min.Order:1 Kilogram
FOB Price: $300.0 / 400.0
Type:Lab/Research institutions
inquiryStock products, own laboratory Package:Grams, Kilograms Application:For R&D Transportation:According to customer request Port:Shanghai
Cas:7139-02-8
Min.Order:0
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Type:Lab/Research institutions
inquiryLuyunjia Chemistry Xiamen Limited is a high-tech company specializing in R&D and manufacturing of photoinitiators monomers and oligomers, UV absorbers and pharmaceutical intermediates, and pharmaceutical intermediates of generic drug. and has a h
Cas:7139-02-8
Min.Order:1 Kilogram
Negotiable
Type:Lab/Research institutions
inquiryISO/factory/goodqualityAppearance:off white Storage:Dry,cool place Package:drum Application:active pharmaceutical ingredients Transportation:by air/sea/express Port:shenzhen/shanghai
Cas:7139-02-8
Min.Order:0
Negotiable
Type:Manufacturers
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:7139-02-8
Min.Order:0
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Type:Lab/Research institutions
inquirymanufacture Application:The refence standard products, for lab use, also we could produce bigger quantity on yr requirement.
Cas:7139-02-8
Min.Order:0
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Type:Lab/Research institutions
inquiryOur clients, like BASF,CHEMO,Brenntag,ASR,Evonik,Merck and etc.Appearance:COA Storage:in stock Application:MSDS/TDS
Cas:7139-02-8
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Type:Manufacturers
inquiryTAIHO Unique Advantages:1.We're factory2.Free samples available3.Commodity inspection can be done4.ISO9001,Kosher certifications5.10 years experiences Storage:Store in cool &dry place Package:aluminium foil bag/fiber can/plastic drum Application:comp
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Type:Manufacturers
inquiry1.A strong technical force and advanced processing equipments. The quality of the products has been strictly inspected and all kinds of index have reached or exceeded domestic and international standards.2. Now we have established long-term stable re
Cas:7139-02-8
Min.Order:0
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inquiry1.Our services:A.Supply sampleB.The packing also can be according the customers` requirmentC.Any inquiries will be replied within 24 hoursD.we provide Commerical Invoice, Packing List, Bill of loading, COA , Health certificate and Origin certificate.
Cas:7139-02-8
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Type:Lab/Research institutions
inquiryKONING PHARMCHEM CO., LTD. has committed itself to a strategy of providing a unique service for companies involved in the manufacture of pharmaceuticals, healthcare products, food, cosmetics and other fine chemicals. Our products including but not li
Cas:7139-02-8
Min.Order:0
Negotiable
Type:Trading Company
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:7139-02-8
Min.Order:0
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Type:Lab/Research institutions
inquiryAmoychem 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
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Type:Other
inquirypiperidine
2,4,6,8-Tetrachloro-pyrimido[5,4-d]pyrimidine
2,6-dichloro-4,8-bis(piperidin-1-yl)pyrimido[5,4-d]pyrimidine
Conditions | Yield |
---|---|
With copper(l) iodide; caesium carbonate In nitrobenzene at 180℃; for 16h; Inert atmosphere; | 95% |
In tetrahydrofuran at 25℃; | 93% |
Substitution; | |
In tetrahydrofuran at 0 - 5℃; for 0.333333h; | |
In tetrachloromethane; acetone at 30℃; for 1h; |
2,6-dichloro-4,8-bis(piperidin-1-yl)pyrimido[5,4-d]pyrimidine
Conditions | Yield |
---|---|
With thionyl chloride; triethylamine for 0.133333h; Time; Microwave irradiation; | 93.5% |
2,6-dichloro-4,8-bis(piperidin-1-yl)pyrimido[5,4-d]pyrimidine
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1.1: aq. NaOH / 0.33 h / Heating 1.2: 39 percent / PCl5; POCl3 / 8 h / Heating 2.1: 93 percent / tetrahydrofuran / 25 °C View Scheme |
2,4,6,8-tetrahydroxypyrimidine-[5,4-d]pyrimidine
2,6-dichloro-4,8-bis(piperidin-1-yl)pyrimido[5,4-d]pyrimidine
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1.1: thionyl chloride / 1,4-dioxane / 1 h 1.2: 1.5 h / Darkness 2.1: caesium carbonate; copper(l) iodide / nitrobenzene / 16 h / 180 °C / Inert atmosphere View Scheme | |
Multi-step reaction with 2 steps 1: trichlorophosphate; phosphorus trichloride; chlorine / 24 h / 110 °C 2: acetone; tetrachloromethane / 1 h / 30 °C View Scheme |
Conditions | Yield |
---|---|
Multi-step reaction with 6 steps 1.1: 2,2'-azobis(isobutyronitrile); cobalt(II) acetate; acetic acid; oxygen / 15 h / 80 °C 2.1: sodium hydroxide / water / 3 h 2.2: 25 - 45 °C / Inert atmosphere 3.1: copper; hydrogenchloride / water / 13 h / 40 °C / Inert atmosphere 4.1: sodium hydroxide / water / 4 h / 100 °C 5.1: thionyl chloride / 1,4-dioxane / 1 h 5.2: 1.5 h / Darkness 6.1: caesium carbonate; copper(l) iodide / nitrobenzene / 16 h / 180 °C / Inert atmosphere View Scheme | |
Multi-step reaction with 6 steps 1.1: sodium hydroxide; water; oxygen / 95 °C 2.1: nitric acid; sulfuric acid / 1 h / 10 - 30 °C 3.1: sodium dithionite / water / 0.5 h / 35 °C 4.1: 0.33 h / 100 °C 4.2: 1 h / 90 - 100 °C 4.3: 0.5 h / 60 °C / pH 4 5.1: trichlorophosphate; phosphorus trichloride; chlorine / 24 h / 110 °C 6.1: acetone; tetrachloromethane / 1 h / 30 °C View Scheme |
Conditions | Yield |
---|---|
Multi-step reaction with 5 steps 1.1: sodium hydroxide / water / 3 h 1.2: 25 - 45 °C / Inert atmosphere 2.1: copper; hydrogenchloride / water / 13 h / 40 °C / Inert atmosphere 3.1: sodium hydroxide / water / 4 h / 100 °C 4.1: thionyl chloride / 1,4-dioxane / 1 h 4.2: 1.5 h / Darkness 5.1: caesium carbonate; copper(l) iodide / nitrobenzene / 16 h / 180 °C / Inert atmosphere View Scheme |
5-nitroorotic acid
2,6-dichloro-4,8-bis(piperidin-1-yl)pyrimido[5,4-d]pyrimidine
Conditions | Yield |
---|---|
Multi-step reaction with 4 steps 1.1: copper; hydrogenchloride / water / 13 h / 40 °C / Inert atmosphere 2.1: sodium hydroxide / water / 4 h / 100 °C 3.1: thionyl chloride / 1,4-dioxane / 1 h 3.2: 1.5 h / Darkness 4.1: caesium carbonate; copper(l) iodide / nitrobenzene / 16 h / 180 °C / Inert atmosphere View Scheme | |
Multi-step reaction with 4 steps 1.1: sodium dithionite / water / 0.5 h / 35 °C 2.1: 0.33 h / 100 °C 2.2: 1 h / 90 - 100 °C 2.3: 0.5 h / 60 °C / pH 4 3.1: trichlorophosphate; phosphorus trichloride; chlorine / 24 h / 110 °C 4.1: acetone; tetrachloromethane / 1 h / 30 °C View Scheme |
5-amino-2,6-dioxo-1,2,3,6-tetrahydropyrimidine-4-carboxylic acid
2,6-dichloro-4,8-bis(piperidin-1-yl)pyrimido[5,4-d]pyrimidine
Conditions | Yield |
---|---|
Multi-step reaction with 3 steps 1.1: sodium hydroxide / water / 4 h / 100 °C 2.1: thionyl chloride / 1,4-dioxane / 1 h 2.2: 1.5 h / Darkness 3.1: caesium carbonate; copper(l) iodide / nitrobenzene / 16 h / 180 °C / Inert atmosphere View Scheme | |
Multi-step reaction with 3 steps 1.1: 0.33 h / 100 °C 1.2: 1 h / 90 - 100 °C 1.3: 0.5 h / 60 °C / pH 4 2.1: trichlorophosphate; phosphorus trichloride; chlorine / 24 h / 110 °C 3.1: acetone; tetrachloromethane / 1 h / 30 °C View Scheme |
orotic acid sodium salt
2,6-dichloro-4,8-bis(piperidin-1-yl)pyrimido[5,4-d]pyrimidine
Conditions | Yield |
---|---|
Multi-step reaction with 5 steps 1.1: nitric acid; sulfuric acid / 1 h / 10 - 30 °C 2.1: sodium dithionite / water / 0.5 h / 35 °C 3.1: 0.33 h / 100 °C 3.2: 1 h / 90 - 100 °C 3.3: 0.5 h / 60 °C / pH 4 4.1: trichlorophosphate; phosphorus trichloride; chlorine / 24 h / 110 °C 5.1: acetone; tetrachloromethane / 1 h / 30 °C View Scheme |
2,6-dichloro-4,8-bis(piperidin-1-yl)pyrimido[5,4-d]pyrimidine
(R,S)-2,2-dimethyl-1,3-dioxolane-4-methanol
2,6-bis-(2,2-dimethyl-[1,3]dioxolan-4-ylmethoxy)-4,8-di-piperidin-1-yl-pyrimido[5,4-d]pyrimidine
Conditions | Yield |
---|---|
Stage #1: (R,S)-2,2-dimethyl-1,3-dioxolane-4-methanol With sodium hydride In tetrahydrofuran at 60℃; for 0.0833333h; Stage #2: 2,6-dichloro-4,8-bis(piperidin-1-yl)pyrimido[5,4-d]pyrimidine In tetrahydrofuran Heating; | 99% |
(+/-)-2-methyl-1-butanol
2,6-dichloro-4,8-bis(piperidin-1-yl)pyrimido[5,4-d]pyrimidine
Conditions | Yield |
---|---|
Stage #1: (+/-)-2-methyl-1-butanol With sodium hydride In tetrahydrofuran at 60℃; for 0.0833333h; Stage #2: 2,6-dichloro-4,8-bis(piperidin-1-yl)pyrimido[5,4-d]pyrimidine In tetrahydrofuran Heating; | 98% |
2,6-dichloro-4,8-bis(piperidin-1-yl)pyrimido[5,4-d]pyrimidine
2,2'-iminobis[ethanol]
dipyridamole
Conditions | Yield |
---|---|
Stage #1: 2,6-dichloro-4,8-bis(piperidin-1-yl)pyrimido[5,4-d]pyrimidine; 2,2'-iminobis[ethanol] In toluene at 0 - 155℃; for 9.5h; Stage #2: With benzenesulfonic acid In water; toluene at 0 - 95℃; for 2h; Stage #3: With ammonia; pyrographite In ethanol for 0.333333h; pH=8; Temperature; | 95% |
With 001x7 strong acid cation exchange resin In 1,3-dioxane at 78℃; for 4.5h; Temperature; | 75% |
Stage #1: 2,6-dichloro-4,8-bis(piperidin-1-yl)pyrimido[5,4-d]pyrimidine; 2,2'-iminobis[ethanol] at 180℃; for 3h; Stage #2: With sodium hydroxide In water; acetone at 25℃; for 4h; | 70% |
2,6-dichloro-4,8-bis(piperidin-1-yl)pyrimido[5,4-d]pyrimidine
cyclohexylmethyl alcohol
Conditions | Yield |
---|---|
Stage #1: cyclohexylmethyl alcohol With sodium In tetrahydrofuran for 2h; Stage #2: 2,6-dichloro-4,8-bis(piperidin-1-yl)pyrimido[5,4-d]pyrimidine In tetrahydrofuran Heating; | 92% |
2,6-dichloro-4,8-bis(piperidin-1-yl)pyrimido[5,4-d]pyrimidine
1,2-O-isopropylidene-D-glycerol
(S,S)-2,6-bis(2',2'-dimethyl-1',3'-dioxolane-4'-methoxy)-4,8-dipiperidinopyrimido[5,4-d]pyrimidine
Conditions | Yield |
---|---|
Stage #1: 1,2-O-isopropylidene-D-glycerol With sodium hydride In tetrahydrofuran at 60℃; for 5h; Stage #2: 2,6-dichloro-4,8-bis(piperidin-1-yl)pyrimido[5,4-d]pyrimidine In tetrahydrofuran Heating; | 92% |
2,6-dichloro-4,8-bis(piperidin-1-yl)pyrimido[5,4-d]pyrimidine
(S)-(+)-(2,2-dimethyl-[1,3]dioxolan-4-yl)methanol
(R,R)-2,6-bis(2',2'-dimethyl-1',3'-dioxolane-4'-methoxy)-4,8-dipiperidinopyrimido[5,4-d]pyrimidine
Conditions | Yield |
---|---|
Stage #1: (S)-(+)-(2,2-dimethyl-[1,3]dioxolan-4-yl)methanol With sodium hydride In tetrahydrofuran at 60℃; for 0.0833333h; Stage #2: 2,6-dichloro-4,8-bis(piperidin-1-yl)pyrimido[5,4-d]pyrimidine In tetrahydrofuran Heating; | 91% |
Conditions | Yield |
---|---|
In tetrahydrofuran at 200℃; for 96h; | 90% |
Conditions | Yield |
---|---|
Stage #1: ethanol With sodium In tetrahydrofuran for 2h; Stage #2: 2,6-dichloro-4,8-bis(piperidin-1-yl)pyrimido[5,4-d]pyrimidine In tetrahydrofuran Heating; | 84% |
2,6-dichloro-4,8-bis(piperidin-1-yl)pyrimido[5,4-d]pyrimidine
4,8-di-piperidin-1-yl-pyrimido[5,4-d]pyrimidine
Conditions | Yield |
---|---|
With potassium hydroxide; hydrogen; palladium on activated charcoal In tetrahydrofuran under 2585.74 Torr; for 48h; | 64% |
Conditions | Yield |
---|---|
Stage #1: i-Amyl alcohol With sodium In tetrahydrofuran for 2h; Stage #2: 2,6-dichloro-4,8-bis(piperidin-1-yl)pyrimido[5,4-d]pyrimidine In tetrahydrofuran Heating; | 63% |
Conditions | Yield |
---|---|
Stage #1: isopropyl alcohol With sodium In tetrahydrofuran for 2h; Stage #2: 2,6-dichloro-4,8-bis(piperidin-1-yl)pyrimido[5,4-d]pyrimidine In tetrahydrofuran Heating; | 58% |
2,3-dimethoxypropan-1-ol
2,6-dichloro-4,8-bis(piperidin-1-yl)pyrimido[5,4-d]pyrimidine
Conditions | Yield |
---|---|
Stage #1: 2,3-dimethoxypropan-1-ol With sodium hydride In tetrahydrofuran at 60℃; for 0.0833333h; Stage #2: 2,6-dichloro-4,8-bis(piperidin-1-yl)pyrimido[5,4-d]pyrimidine In tetrahydrofuran Heating; | 57% |
2-methyl-propan-1-ol
2,6-dichloro-4,8-bis(piperidin-1-yl)pyrimido[5,4-d]pyrimidine
Conditions | Yield |
---|---|
Stage #1: 2-methyl-propan-1-ol With sodium In tetrahydrofuran for 2h; Stage #2: 2,6-dichloro-4,8-bis(piperidin-1-yl)pyrimido[5,4-d]pyrimidine In tetrahydrofuran Heating; | 54% |
Conditions | Yield |
---|---|
Stage #1: trimethyleneglycol With sodium hydride In tetrahydrofuran at 60℃; for 0.0833333h; Stage #2: 2,6-dichloro-4,8-bis(piperidin-1-yl)pyrimido[5,4-d]pyrimidine In tetrahydrofuran Heating; | 51% |
Conditions | Yield |
---|---|
Stage #1: methanol With sodium In tetrahydrofuran for 2h; Stage #2: 2,6-dichloro-4,8-bis(piperidin-1-yl)pyrimido[5,4-d]pyrimidine In tetrahydrofuran Heating; | 46% |
Conditions | Yield |
---|---|
Stage #1: ethylene glycol With sodium hydride In tetrahydrofuran at 60℃; for 0.0833333h; Stage #2: 2,6-dichloro-4,8-bis(piperidin-1-yl)pyrimido[5,4-d]pyrimidine In tetrahydrofuran Heating; | 45% |
Conditions | Yield |
---|---|
Stage #1: propan-1-ol With sodium In tetrahydrofuran for 2h; Stage #2: 2,6-dichloro-4,8-bis(piperidin-1-yl)pyrimido[5,4-d]pyrimidine In tetrahydrofuran Heating; | 42% |
3-Amino-1,2-propanediol
2,6-dichloro-4,8-bis(piperidin-1-yl)pyrimido[5,4-d]pyrimidine
Conditions | Yield |
---|---|
at 100 - 150℃; | 41% |
Conditions | Yield |
---|---|
Stage #1: allyl alcohol With sodium In tetrahydrofuran for 2h; Stage #2: 2,6-dichloro-4,8-bis(piperidin-1-yl)pyrimido[5,4-d]pyrimidine In tetrahydrofuran Heating; | 40% |
Conditions | Yield |
---|---|
Stage #1: 2-methoxy-ethanol With sodium hydride In tetrahydrofuran at 60℃; for 0.0833333h; Stage #2: 2,6-dichloro-4,8-bis(piperidin-1-yl)pyrimido[5,4-d]pyrimidine In tetrahydrofuran Heating; | 34% |
1-methoxy-2-propanol
2,6-dichloro-4,8-bis(piperidin-1-yl)pyrimido[5,4-d]pyrimidine
Conditions | Yield |
---|---|
Stage #1: 1-methoxy-2-propanol With sodium In tetrahydrofuran for 2h; Stage #2: 2,6-dichloro-4,8-bis(piperidin-1-yl)pyrimido[5,4-d]pyrimidine In tetrahydrofuran Heating; | 22% |
(2-hydroxyethyl)(methyl)amine
2,6-dichloro-4,8-bis(piperidin-1-yl)pyrimido[5,4-d]pyrimidine
2,2'-[N,N'-dimethyl-N,N'-(4,8-di-piperidin-1-yl-pyrimido[5,4-d]pyrimidine-2,6-diyl)-diamino]-bis-ethanol
Conditions | Yield |
---|---|
Substitution; |
Conditions | Yield |
---|---|
Substitution; |
Conditions | Yield |
---|---|
Substitution; |
Conditions | Yield |
---|---|
Substitution; |
2,6-dichloro-4,8-bis(piperidin-1-yl)pyrimido[5,4-d]pyrimidine
ethanolamine
2,2'-(4,8-di-piperidin-1-yl-pyrimido[5,4-d]pyrimidine-2,6-diyldiamino)-bis-ethanol
Conditions | Yield |
---|---|
Substitution; | |
In dimethyl sulfoxide at 150℃; for 6h; | 162 mg |
2,6-dichloro-4,8-bis(piperidin-1-yl)pyrimido[5,4-d]pyrimidine
(S)-2-O-(4'-methoxybenzyl)propan-1,2-diol
(S,S)-2,6-di-[2'-O-(4'-methoxybenzyl)propoxy]-4,8-dipiperidinopyrimido[5,4-d]pyrimidine
Conditions | Yield |
---|---|
Stage #1: (S)-2-O-(4'-methoxybenzyl)propan-1,2-diol With sodium In tetrahydrofuran for 2h; Stage #2: 2,6-dichloro-4,8-bis(piperidin-1-yl)pyrimido[5,4-d]pyrimidine In tetrahydrofuran Heating; |
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