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
Cas:907606-68-2
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inquirySleeping pills and stability.This product is white or white crystalline powder;Odourless and slightly bitter taste.Almost insoluble in water, soluble in hydrochloric acid.In acid or alkali and heat hydrolysis, oral drug under the action of gastric
Cas:907606-68-2
Min.Order:10000 Gram
FOB Price: $1300.0
Type:Trading Company
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.
Cas:907606-68-2
Min.Order:1 Kilogram
Negotiable
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:907606-68-2
Min.Order:1 Kilogram
FOB Price: $139.0 / 210.0
Type:Trading Company
inquiryName: (1S,3aR,6aS)-Octahydrocyclopenta[c]pyrrole-1-carboxylic acid tert-butyl ester oxalate Synonyms: (3aR,6aS)-1-(tert-butoxycarbonyl)octahydrocyclopenta[c]pyrrol-2-ium carboxyformate CAS:907606-68-2 Appearance: white powder Storage:Store in coo
Cas:907606-68-2
Min.Order:1 Kilogram
FOB Price: $1.0
Type:Other
inquiry(3aR,6aS)-1-(tert-butoxycarbonyl)octahydrocyclopenta[c]pyrrol-2-iuM carboxyfor CAS:907606-68-2 Qingdao Belugas Import and Export Co., Ltd. is a scientific and technological company integrating research and development, production and trade of chemic
Cas:907606-68-2
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:907606-68-2
Min.Order:1 Kilogram
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Type:Lab/Research institutions
inquiryHebei Mojin Biotechnology Co., Ltd, Our company is a professional chemical raw materials and chemical reagents research and development production enterprises. We have several production line,So we can control the lowest price. We also have several
Cas:907606-68-2
Min.Order:25 Gram
FOB Price: $90.0 / 100.0
Type:Trading Company
inquiryA substitute for perfluorooctanoic acid, mainly used as a surfactant, dispersant, additive, etc Appearance:White solid or Colorless liquid Purity:99.3 % We will ship the goods in a timely manner as required We can provide relevant documents acc
Cas:907606-68-2
Min.Order:4 Kilogram
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:907606-68-2
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:907606-68-2
Min.Order:10 Gram
FOB Price: $100.0
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:907606-68-2
Min.Order:1 Kilogram
Negotiable
Type:Lab/Research institutions
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:907606-68-2
Min.Order:1 Gram
Negotiable
Type:Other
inquiryHigh quality,stable supply chain.Appearance:white/off-white or light yellow Storage:Store in cool and dry place, keep away from strong light and heat. Package:aluminum bottle,glass bottle,PTFE bottle,cardboard drum Application:This product can be use
Cas:907606-68-2
Min.Order:0
Negotiable
Type:Lab/Research institutions
inquiryStock products, own laboratory Package:Grams, Kilograms Application:For R&D Transportation:According to customer request Port:Shanghai
Cas:907606-68-2
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:907606-68-2
Min.Order:0
Negotiable
Type:Lab/Research institutions
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:907606-68-2
Min.Order:100 Gram
Negotiable
Type:Lab/Research institutions
inquirymanufacture Application:The refence standard products, for lab use, also we could produce bigger quantity on yr requirement.
Cas:907606-68-2
Min.Order:0
Negotiable
Type:Lab/Research institutions
inquirybest seller Application:API
Cas:907606-68-2
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:907606-68-2
Min.Order:0
Negotiable
Type:Lab/Research institutions
inquirybest seller Application:API
Cas:907606-68-2
Min.Order:0
Negotiable
Type:Trading Company
inquiry(3aR,6aS)-1-(tert-butoxycarbonyl)octahydrocyclopenta[c]pyrrol-2-ium carboxyformateAppearance:white crystalline powder Storage:Store in dry, dark and ventilated place Package:25KG drum Application:pharmaceutical intermediate Transportation:by air, by
Cas:907606-68-2
Min.Order:0
Negotiable
Type:Other
inquiryfactory?direct?saleAppearance:White powder Storage:Sealed and preserved Package:200/Kilograms Application:healing drugs Transportation:By sea Port:Shanghai/tianjin
Cas:907606-68-2
Min.Order:0
Negotiable
Type:Lab/Research institutions
inquiryGood Quality Package:1kg/bag Application:Medical or chemical Transportation:Air/Train/Sea Port:Shenzhen
907606-68-2 Application:intermediate
Cas:907606-68-2
Min.Order:0
Negotiable
Type:Lab/Research institutions
inquiryCas:907606-68-2
Min.Order:0
Negotiable
Type:Lab/Research institutions
inquirygood quality, competitive price, thoughtful after sale serviceAppearance:white powder Storage:Keep it in dry,shady and cool place Package:250mg Application:Pharma;Industry;Agricultural;chemical reaserch Transportation:by express or by sea Port:Any po
Cas:907606-68-2
Min.Order:0
Negotiable
Type:Trading Company
inquirybest seller Application:API
Cas:907606-68-2
Min.Order:0
Negotiable
Type:Trading Company
inquirybulk?production Application:Pharmaceutical intermediates
Cas:907606-68-2
Min.Order:0
Negotiable
Type:Lab/Research institutions
inquiryfactory?direct?saleAppearance:White powder Storage:Sealed and preserved Package:200/Kilograms Application:healing drugs Transportation:By sea Port:Shanghai/tianjin
Cas:907606-68-2
Min.Order:0
Negotiable
Type:Trading Company
inquiry(1S,3aR,6aS)-2-(tert-butoxycarbonyl)octahydrocyclopenta[c]pyrrole-1-carboxylic acid (S)-1,2,3,4-tetrahydro-1-naphthylammonium salt
oxalic acid
tert-butyl alcohol
tert-butyl (1S,3aR,6aS)-octahydrocyclopenta[c]pyrrole-1-carboxylate oxalic acid salt
Conditions | Yield |
---|---|
Stage #1: (1S,3aR,6aS)-2-(tert-butoxycarbonyl)octahydrocyclopenta[c]pyrrole-1-carboxylic acid (S)-1,2,3,4-tetrahydro-1-naphthylammonium salt With sodium hydrogen sulfate In tert-butyl methyl ether; water for 0.5h; Stage #2: tert-butyl alcohol With dmap; sodium hydrogen sulfate; di-tert-butyl dicarbonate In tert-butyl methyl ether; water at 20 - 25℃; for 5 - 6h; Stage #3: oxalic acid With methanesulfonic acid; potassium carbonate Product distribution / selectivity; more than 3 stages; | 81% |
acetic acid tert-butyl ester
oxalic acid
tert-butyl (1S,3aR,6aS)-octahydrocyclopenta[c]pyrrole-1-carboxylate oxalic acid salt
Conditions | Yield |
---|---|
Stage #1: acetic acid tert-butyl ester; (1R,3aR,6aS)-octahydrocyclopenta[c]pyrrole-1-carboxylic acid hydrochloride In dichloromethane at 0 - 21℃; Stage #2: With methanesulfonic acid In dichloromethane; water at 0 - 21℃; for 18.25h; Sealed tube; Stage #3: oxalic acid | 59.7% |
acetic acid tert-butyl ester
(1S,3αR,6αS)-octahydrocyclopenta[c]pyrrole-1-carboxylate hydrochloride
oxalic acid
tert-butyl (1S,3aR,6aS)-octahydrocyclopenta[c]pyrrole-1-carboxylate oxalic acid salt
Conditions | Yield |
---|---|
Stage #1: acetic acid tert-butyl ester; (1S,3αR,6αS)-octahydrocyclopenta[c]pyrrole-1-carboxylate hydrochloride With methanesulfonic acid In chloroform at 0 - 25℃; for 18h; Stage #2: oxalic acid In isopropyl alcohol at 75 - 80℃; for 0.5h; | 0.08 g |
(1S,3aR,6aS)-octahydrocyclopenta[c]pyrrole-1-carbonitrile
tert-butyl (1S,3aR,6aS)-octahydrocyclopenta[c]pyrrole-1-carboxylate oxalic acid salt
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1.1: water; hydrogenchloride / methanol / 24 h / Reflux 2.1: methanesulfonic acid / chloroform / 18 h / 0 - 25 °C 2.2: 0.5 h / 75 - 80 °C View Scheme |
(1S,3aR,6aS)-di-tert-butyl hexahydrocyclo-penta[c]pyrrol-1,2(1H)-dicarboxylate
tert-butyl (1S,3aR,6aS)-octahydrocyclopenta[c]pyrrole-1-carboxylate oxalic acid salt
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: methanesulfonic acid / tetrahydrofuran / 12 h / 22 - 27 °C / Industrial scale 2: tert-butyl methyl ether; Isopropyl acetate / 2.5 h / Industrial scale View Scheme |
di-tert-butyl dicarbonate
tert-butyl (1S,3aR,6aS)-octahydrocyclopenta[c]pyrrole-1-carboxylate oxalic acid salt
Conditions | Yield |
---|---|
Multi-step reaction with 3 steps 1: dmap / tert-butyl methyl ether; tert-butyl alcohol / 6 h / 22 - 27 °C / Industrial scale 2: methanesulfonic acid / tetrahydrofuran / 12 h / 22 - 27 °C / Industrial scale 3: tert-butyl methyl ether; Isopropyl acetate / 2.5 h / Industrial scale View Scheme |
tert-butyl (1S,3aR,6aS)-octahydrocyclopenta[c]pyrrole-1-carboxylate
oxalic acid
tert-butyl (1S,3aR,6aS)-octahydrocyclopenta[c]pyrrole-1-carboxylate oxalic acid salt
Conditions | Yield |
---|---|
In tert-butyl methyl ether; Isopropyl acetate for 2.5h; Industrial scale; | 82 kg |
tert-butyl (1S,3aR,6aS)-octahydrocyclopenta[c]pyrrole-1-carboxylate oxalic acid salt
tert-butyl (1S,3aR,6aS)-octahydrocyclopenta[c]pyrrole-1-carboxylate
Conditions | Yield |
---|---|
With potassium carbonate In Isopropyl acetate; water at 20 - 25℃; for 0.5 - 3h; Product distribution / selectivity; | |
With potassium carbonate In Isopropyl acetate; water at 20 - 25℃; for 3h; Product distribution / selectivity; | |
With potassium carbonate In Isopropyl acetate; water at 20℃; for 3h; Product distribution / selectivity; |
tert-butyl (1S,3aR,6aS)-octahydrocyclopenta[c]pyrrole-1-carboxylate oxalic acid salt
(1S,3aR,6aS)-tert-butyl 2-((S)-2-(benzyloxycarbonylamino)-3,3-dimethylbutanoyl)octahydrocyclopenta[c]pyrrole-1-carboxylate
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1.1: potassium carbonate / water; Isopropyl acetate / 3 h / 20 °C 2.1: 1-ethyl-(3-(3-dimethylamino)propyl)-carbodiimide hydrochloride; benzotriazol-1-ol / water; Isopropyl acetate / 6 h / 0 - 5 °C 2.2: 20 - 25 °C View Scheme |
tert-butyl (1S,3aR,6aS)-octahydrocyclopenta[c]pyrrole-1-carboxylate oxalic acid salt
(1S,3aR,6aS)-tert-butyl 2-((S)-2-amino-3,3-dimethylbutanoyl)octahydrocyclopenta[c]pyrrole-1-carboxylate
Conditions | Yield |
---|---|
Multi-step reaction with 3 steps 1.1: potassium carbonate / water; Isopropyl acetate / 3 h / 20 - 25 °C 2.1: 1-ethyl-(3-(3-dimethylamino)propyl)-carbodiimide hydrochloride; benzotriazol-1-ol / water; Isopropyl acetate / 6 h / 0 - 5 °C / Inert atmosphere 2.2: 20 - 25 °C 3.1: hydrogen / 10 wt% Pd(OH)2 on carbon / water; Isopropyl acetate / 1 h / 20 °C / 2311.54 Torr View Scheme | |
Multi-step reaction with 3 steps 1.1: potassium carbonate / water; Isopropyl acetate / 3 h / 20 °C 2.1: 1-ethyl-(3-(3-dimethylamino)propyl)-carbodiimide hydrochloride; benzotriazol-1-ol / water; Isopropyl acetate / 6 h / 0 - 5 °C 2.2: 20 - 25 °C 3.1: hydrogen / 10 wt% Pd(OH)2 on carbon / Isopropyl acetate / 1 h / 20 °C / 2311.54 Torr View Scheme |
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