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Hebei Qianen Pharma Tech Co.,Ltd.

High purity, content greater than 98% Pharmaceutical level quality control Factory direct Ready delivery from stock Application:Pharmaceutical intermediates

tetrahydro-1H-cyclopenta[c]furan-1,3(3aH)-dione

Cas:5763-49-5

Min.Order:1 Metric Ton

Negotiable

Type:Trading Company

inquiry

Dayang Chem (Hangzhou) Co.,Ltd.

Dayangchem's 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. DayangChem can provide different quantities

1,2-Cyclopentanedicarboxylic anhydride Manufacturer/High quality/Best price/In stock

Cas:5763-49-5

Min.Order:1 Kilogram

FOB Price: $3.0

Type:Lab/Research institutions

inquiry

Chemwill Asia Co., Ltd.

Our 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

Tetrahydro-1H-cyclopenta[c]furan-1,3-(3αH)-dione

Cas:5763-49-5

Min.Order:5 Kiloliter

FOB Price: $1.2 / 5.0

Type:Manufacturers

inquiry

Henan Tianfu Chemical Co., Ltd.

Henan Tianfu Chemical Co., Ltd. is located in Zhengzhou High-tech Development Zone with import and export license. We passed ISO 9001:2008 in 2009, and won "High-tech Enterprise" by provincial government in 2013.The objective of the com

TIANFU-CHEM - tetrahydro-1H-cyclopenta[c]furan-1,3(3aH)-dione

Cas:5763-49-5

Min.Order:1 Gram

FOB Price: $1000.0

Type:Lab/Research institutions

inquiry

Zhuozhou Wenxi import and Export Co., Ltd

WITH 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

Factory direct supply CAS 5763-49-5 with best quality

Cas:5763-49-5

Min.Order:1 Kilogram

FOB Price: $139.0 / 210.0

Type:Trading Company

inquiry

Shandong Hanjiang Chemical Co., Ltd.

Hello, 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 t

1,2-Cyclopentanedicarboxylic anhydride

Cas:5763-49-5

Min.Order:1 Kilogram

Negotiable

Type:Lab/Research institutions

inquiry

Jinan Finer Chemical Co., Ltd

Product Description Product Name 1,2-Cyclopentanedicarboxylic anhydride CAS No. 5763-49-5 Appearance Yellowish liquid

1,2-Cyclopentanedicarboxylic anhydride

Cas:5763-49-5

Min.Order:1 Gram

FOB Price: $5.0

Type:Lab/Research institutions

inquiry

Shanghai Upbio Tech Co.,Ltd

1.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

1,2-Cyclopentanedicarboxylic anhydride 5763-49-5

Cas:5763-49-5

Min.Order:1 Kilogram

Negotiable

Type:Lab/Research institutions

inquiry

Qingdao Beluga Import and Export Co., LTD

tetrahydro-1H-cyclopenta[c]furan-1,3(3aH)-dione CAS:5763-49-5 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

tetrahydro-1H-cyclopenta[c]furan-1,3(3aH)-dione CAS:5763-49-5

Cas:5763-49-5

Min.Order:1 Gram

Negotiable

Type:Lab/Research institutions

inquiry

Henan Wentao Chemical Product Co., Ltd.

Henan 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

1,2-Cyclopentanedicarboxylic anhydride

Cas:5763-49-5

Min.Order:0

Negotiable

Type:Lab/Research institutions

inquiry

Wuhan Han Sheng New Material Technology Co.,Ltd

Our 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

TIANFU CHEM--tetrahydro-1H-cyclopenta[c]furan-1,3(3aH)-dione

Cas:5763-49-5

Min.Order:10 Kilogram

Negotiable

Type:Trading Company

inquiry

Triumph International Development Limilted

Triumph has the complete production of G- KG - MT service chain,we can make the new technology into productivity quickly in the research and development of new products. Main Service 1.Own made fine chemical products 2.Out sourcing and qua

tetrahydro-1H-cyclopenta[c]furan-1,3(3aH)-dione

Cas:5763-49-5

Min.Order:100 Gram

Negotiable

Type:Lab/Research institutions

inquiry

Afine Chemicals Limited

Our 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

1,2-Cyclopentanedicarboxylic anhydride

Cas:5763-49-5

Min.Order:1 Kilogram

Negotiable

Type:Lab/Research institutions

inquiry

Hangzhou Keyingchem Co.,Ltd

Hangzhou KeyingChem Co., Ltd. exported this product to many countries and regions at best price. If you are looking for the material’s manufacturer or supplier in China, KeyingChem is your best choice. Pls contact with us freely for getting det

tetrahydro-1H-cyclopenta[c]furan-1,3(3aH)-dione

Cas:5763-49-5

Min.Order:0 Metric Ton

Negotiable

Type:Lab/Research institutions

inquiry

SHANGHAI T&W PHARMACEUTICAL CO., LTD.

A 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

1,2-Cyclopentane Diformic Anhydride

Cas:5763-49-5

Min.Order:4 Kilogram

Negotiable

Type:Lab/Research institutions

inquiry

Zibo Hangyu Biotechnology Development Co., Ltd

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

1,2-Cyclopentanedicarboxylic anhydride

Cas:5763-49-5

Min.Order:10 Gram

FOB Price: $100.0

Type:Lab/Research institutions

inquiry

Zibo Dorne chemical technology co. LTD

Product 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,

tetrahydro-1H-cyclopenta[c]furan-1,3(3aH)-dione

Cas:5763-49-5

Min.Order:1 Gram

Negotiable

Type:Lab/Research institutions

inquiry

EAST CHEMSOURCES LIMITED

factory?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

TIANFU CHEM--tetrahydro-1H-cyclopenta[c]furan-1,3(3aH)-dione

Cas:5763-49-5

Min.Order:1 Kilogram

FOB Price: $18.0 / 20.0

Type:Trading Company

inquiry

Hangzhou Huarong Pharm Co., Ltd.

We Huarong Pharm can provide Customized Synthesis & Process R&D & APIs and intermediates Production & Quality Research & Registration Application, especially our GMP validation service which complies with SFDA, FDA, WHO and EU EMPA. O

tetrahydro-1H-cyclopenta[c]furan-1,3(3aH)-dione

Cas:5763-49-5

Min.Order:0

Negotiable

Type:Trading Company

inquiry

Shandong Mopai Biotechnology Co., LTD

Shandong 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

tetrahydro-1H-cyclopenta[c]furan-1,3(3aH)-dione

Cas:5763-49-5

Min.Order:1 Gram

Negotiable

Type:Lab/Research institutions

inquiry

KAISA GROUP INC

1.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

TIANFU CHEM--tetrahydro-1H-cyclopenta[c]furan-1,3(3aH)-dione

Cas:5763-49-5

Min.Order:1 Metric Ton

FOB Price: $1.5

Type:Trading Company

inquiry

Hunan chemfish Pharmaceutical co.,Ltd

Appearance:95%+ Package:R&D,Pilot run Transportation:per client require Port:Express ,Air, Sea

Tetrahydro-1H-cyclopenta[c]furan-1,3(3aH)-dione

Cas:5763-49-5

Min.Order:0

Negotiable

Type:Manufacturers

inquiry

Suzhou Health Chemicals Co., Ltd.

High 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

1,2-Cyclopentanedicarboxylic anhydride

Cas:5763-49-5

Min.Order:0

Negotiable

Type:Lab/Research institutions

inquiry

Bluecrystal chem-union

We 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

TIANFU CHEM--tetrahydro-1H-cyclopenta[c]furan-1,3(3aH)-dione

Cas:5763-49-5

Min.Order:1 Metric Ton

FOB Price: $1.0

Type:Trading Company

inquiry

Hebei Mojin Biotechnology Co.,Ltd

1, High quality with competitive price:2, Fast and safe delivery3.Excellent pre-sales and after-sales service4. Well-trained and professional technologist and sales with rich experience in the field for 5-10 yearsAppearance:see detailed specification

1H-Cyclopenta[c]furan-1,3(3aH)-dione,tetrahydro-

Cas:5763-49-5

Min.Order:0

Negotiable

Type:Trading Company

inquiry

GIHI CHEMICALS CO.,LIMITED

Lower 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

1,2-Cyclopentane diformic anhydride

Cas:5763-49-5

Min.Order:0

Negotiable

Type:Lab/Research institutions

inquiry

Kono Chem Co.,Ltd

high 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

tetrahydro-1H-cyclopenta[c]furan-1,3(3aH)-dione

Cas:5763-49-5

Min.Order:0

Negotiable

Type:Other

inquiry

JINHUA HUAYI CHEMICAL CO., LTD.

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

1,2-Cyclopentane Dicarboxylic Anhydrate

Cas:5763-49-5

Min.Order:100 Gram

Negotiable

Type:Lab/Research institutions

inquiry

HANGZHOU YUNUO CHEMICAL CO.,LTD

Superior quality, moderate price & quick delivery. Appearance:white crystalline powder Storage:Sealed in a cool ,dry and microtherm place , avoid light . Package:100g/bottle,1kg/bottle,25kg/drum or as per your request Application:It is an impo

5763-49-5 supplier in China

Cas:5763-49-5

Min.Order:100 Gram

Negotiable

Type:Trading Company

inquiry

Shanghai Acmec Biochemical Technology Co., Ltd.

Acmec 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

Acmec Tetrahydro-1H-cyclopenta[c]furan-1,3(3aH)-dione 1g

Cas:5763-49-5

Min.Order:1 bottle

Negotiable

Type:Lab/Research institutions

inquiry

Synthetic route

cis-1,2-cyclopentanedicarboxylic acid
1461-96-7

cis-1,2-cyclopentanedicarboxylic acid

2,4,5,6,3a,6a-hexahydro-2-oxapentalen-1,3-dione
5763-49-5

2,4,5,6,3a,6a-hexahydro-2-oxapentalen-1,3-dione

Conditions
ConditionsYield
at 150 - 160℃; anhydride of/the/ cis-cyclopentane-dicarboxylic acid-(1.2);
Multi-step reaction with 2 steps
1: concentrated hydrochloric acid / 180 °C
2: acetyl chloride / 140 °C / im Einschlussrohr
View Scheme
With acetic anhydride for 20h; Heating / reflux;
trans-1,2-cyclopentanedicarboxylic acid
80656-14-0

trans-1,2-cyclopentanedicarboxylic acid

2,4,5,6,3a,6a-hexahydro-2-oxapentalen-1,3-dione
5763-49-5

2,4,5,6,3a,6a-hexahydro-2-oxapentalen-1,3-dione

Conditions
ConditionsYield
at 300℃; anhydride of/the/ cis-cyclopentane-dicarboxylic acid-(1.2);
With acetic anhydride anhydride of/the/ cis-cyclopentane-dicarboxylic acid-(1.2);
With acetyl chloride at 140℃; im Einschlussrohr; anhydride of/the/ cis-cyclopentane-dicarboxylic acid-(1.2);
With acetic anhydride anschliessend Erhitzen auf 170grad bei 20 mmHg Druck; anhydride of/the/ trans-cyclopentane-dicarboxylic acid-(1.2);
Multi-step reaction with 2 steps
1: acetic acid anhydride / Loesen in Wasser oder in Kalilauge und Ansaeuern
2: 150 - 160 °C
View Scheme
1,1,2,2-Cyclopentantetracarbonsaeure-tetraethylester
50708-47-9

1,1,2,2-Cyclopentantetracarbonsaeure-tetraethylester

2,4,5,6,3a,6a-hexahydro-2-oxapentalen-1,3-dione
5763-49-5

2,4,5,6,3a,6a-hexahydro-2-oxapentalen-1,3-dione

Conditions
ConditionsYield
Multi-step reaction with 3 steps
1: glacial acetic acid; concentrated sulfuric acid; water
2: acetic acid anhydride / Loesen in Wasser oder in Kalilauge und Ansaeuern
3: 150 - 160 °C
View Scheme
Multi-step reaction with 2 steps
1: glacial acetic acid; concentrated sulfuric acid; water
2: acetic acid anhydride
View Scheme
(trans)-1,2-cyclopentanedicarboxylic acid
21917-20-4

(trans)-1,2-cyclopentanedicarboxylic acid

2,4,5,6,3a,6a-hexahydro-2-oxapentalen-1,3-dione
5763-49-5

2,4,5,6,3a,6a-hexahydro-2-oxapentalen-1,3-dione

Conditions
ConditionsYield
In benzene8.60 g (81%)
methanol
67-56-1

methanol

2,4,5,6,3a,6a-hexahydro-2-oxapentalen-1,3-dione
5763-49-5

2,4,5,6,3a,6a-hexahydro-2-oxapentalen-1,3-dione

(+/-)-cis-2-(methoxycarbonyl)cyclopentane carboxylic acid

(+/-)-cis-2-(methoxycarbonyl)cyclopentane carboxylic acid

Conditions
ConditionsYield
at 50 - 55℃; for 5h;98%
at 50 - 55℃; for 16h;
carbon tetrabromide
558-13-4

carbon tetrabromide

2,4,5,6,3a,6a-hexahydro-2-oxapentalen-1,3-dione
5763-49-5

2,4,5,6,3a,6a-hexahydro-2-oxapentalen-1,3-dione

3-(dibromomethylene)hexahydro-1H-cyclopenta[c]furan-1-one

3-(dibromomethylene)hexahydro-1H-cyclopenta[c]furan-1-one

Conditions
ConditionsYield
Stage #1: carbon tetrabromide With triphenylphosphine In tetrahydrofuran at 0℃; Inert atmosphere;
Stage #2: With triethylamine In tetrahydrofuran for 0.0833333h; Inert atmosphere;
Stage #3: 2,4,5,6,3a,6a-hexahydro-2-oxapentalen-1,3-dione In tetrahydrofuran at 0 - 20℃; Inert atmosphere;
24%
(R)-Phenylglycinol
56613-80-0

(R)-Phenylglycinol

2,4,5,6,3a,6a-hexahydro-2-oxapentalen-1,3-dione
5763-49-5

2,4,5,6,3a,6a-hexahydro-2-oxapentalen-1,3-dione

2-((R)-2-Hydroxy-1-phenyl-ethylcarbamoyl)-cyclopentanecarboxylic acid
86331-36-4, 95462-66-1

2-((R)-2-Hydroxy-1-phenyl-ethylcarbamoyl)-cyclopentanecarboxylic acid

Conditions
ConditionsYield
In tetrahydrofuran 1.) 0 deg C, 15 min; 2.) r.t., 1 h;
methylamine
74-89-5

methylamine

2,4,5,6,3a,6a-hexahydro-2-oxapentalen-1,3-dione
5763-49-5

2,4,5,6,3a,6a-hexahydro-2-oxapentalen-1,3-dione

N-Methylcyclopentane-1,2-dicarboximide
71099-01-9

N-Methylcyclopentane-1,2-dicarboximide

2,4,5,6,3a,6a-hexahydro-2-oxapentalen-1,3-dione
5763-49-5

2,4,5,6,3a,6a-hexahydro-2-oxapentalen-1,3-dione

KOH-solution

KOH-solution

cis-1,2-cyclopentanedicarboxylic acid
1461-96-7

cis-1,2-cyclopentanedicarboxylic acid

Conditions
ConditionsYield
durch Ansaeuern; anhydride of/the/ cis-cyclopentane-dicarboxylic acid-(1.2);
2,4,5,6,3a,6a-hexahydro-2-oxapentalen-1,3-dione
5763-49-5

2,4,5,6,3a,6a-hexahydro-2-oxapentalen-1,3-dione

air

air

trans-1,2-cyclopentanedicarboxylic acid
80656-14-0

trans-1,2-cyclopentanedicarboxylic acid

Conditions
ConditionsYield
anhydride of/the/ trans-cyclopentane-dicarboxylic acid-(1.2);
2,4,5,6,3a,6a-hexahydro-2-oxapentalen-1,3-dione
5763-49-5

2,4,5,6,3a,6a-hexahydro-2-oxapentalen-1,3-dione

anhydride of/the/ cis-cyclopentane-dicarboxylic acid-(1.2)

anhydride of/the/ cis-cyclopentane-dicarboxylic acid-(1.2)

Conditions
ConditionsYield
bei der Destillation unter vermindertem Druck; anhydride of/the/ trans-cyclopentane-dicarboxylic acid-(1.2);
thiazol-2-ylzinc(II) bromide
173382-28-0

thiazol-2-ylzinc(II) bromide

2,4,5,6,3a,6a-hexahydro-2-oxapentalen-1,3-dione
5763-49-5

2,4,5,6,3a,6a-hexahydro-2-oxapentalen-1,3-dione

trans-2-(1,3-thiazol-2-ylcarbonyl)cyclopentanecarboxylic acid

trans-2-(1,3-thiazol-2-ylcarbonyl)cyclopentanecarboxylic acid

Conditions
ConditionsYield
Stage #1: thiazol-2-ylzinc(II) bromide; 2,4,5,6,3a,6a-hexahydro-2-oxapentalen-1,3-dione; tetrakis(triphenylphosphine) palladium(0) In tetrahydrofuran at 80℃;
Stage #2: With sodium hydroxide In tetrahydrofuran; diethyl ether; water
Stage #3: With hydrogenchloride In water pH=1;
2,4,5,6,3a,6a-hexahydro-2-oxapentalen-1,3-dione
5763-49-5

2,4,5,6,3a,6a-hexahydro-2-oxapentalen-1,3-dione

(1S,5R)-3-oxabicyclo[3.3.0]octan-2-one
75658-84-3

(1S,5R)-3-oxabicyclo[3.3.0]octan-2-one

Conditions
ConditionsYield
Multi-step reaction with 6 steps
1: tetrahydrofuran / 1.) 0 deg C, 15 min; 2.) r.t., 1 h
2: sodium acetate / 3 h / 100 °C
3: 1 N HCl in MeOH / 2 h / Heating
4: 94 percent / NaAlH2(OCH2CH2OCH3)2 / toluene / 4 h / -78 °C
5: 96 percent / NaBH4 / aq. ethanol / 4 h / 50 °C
6: 2 N H2SO4 / 2 h / 80 °C
View Scheme
2,4,5,6,3a,6a-hexahydro-2-oxapentalen-1,3-dione
5763-49-5

2,4,5,6,3a,6a-hexahydro-2-oxapentalen-1,3-dione

(3aS,6aR)-hexahydro-1H-cyclopenta[c]furan-1-one
121960-86-9

(3aS,6aR)-hexahydro-1H-cyclopenta[c]furan-1-one

Conditions
ConditionsYield
Multi-step reaction with 6 steps
1: tetrahydrofuran / 1.) 0 deg C, 15 min; 2.) r.t., 1 h
2: sodium acetate / 3 h / 100 °C
3: 1 N HCl in MeOH / 2 h / Heating
4: 94 percent / NaAlH2(OCH2CH2OCH3)2 / toluene / 4 h / -78 °C
5: 96 percent / NaBH4 / aq. ethanol / 4 h / 50 °C
6: 2 N H2SO4 / 2 h / 80 °C
View Scheme
2,4,5,6,3a,6a-hexahydro-2-oxapentalen-1,3-dione
5763-49-5

2,4,5,6,3a,6a-hexahydro-2-oxapentalen-1,3-dione

2-Hydroxymethyl-cyclopentanecarboxylic acid ((R)-2-hydroxy-1-phenyl-ethyl)-amide
86331-50-2

2-Hydroxymethyl-cyclopentanecarboxylic acid ((R)-2-hydroxy-1-phenyl-ethyl)-amide

Conditions
ConditionsYield
Multi-step reaction with 5 steps
1: tetrahydrofuran / 1.) 0 deg C, 15 min; 2.) r.t., 1 h
2: sodium acetate / 3 h / 100 °C
3: 1 N HCl in MeOH / 2 h / Heating
4: 94 percent / NaAlH2(OCH2CH2OCH3)2 / toluene / 4 h / -78 °C
5: 96 percent / NaBH4 / aq. ethanol / 4 h / 50 °C
View Scheme
2,4,5,6,3a,6a-hexahydro-2-oxapentalen-1,3-dione
5763-49-5

2,4,5,6,3a,6a-hexahydro-2-oxapentalen-1,3-dione

2-((R)-2-Hydroxy-1-phenyl-ethyl)-tetrahydro-cyclopenta[c]pyrrole-1,3-dione
86331-31-9

2-((R)-2-Hydroxy-1-phenyl-ethyl)-tetrahydro-cyclopenta[c]pyrrole-1,3-dione

Conditions
ConditionsYield
Multi-step reaction with 3 steps
1: tetrahydrofuran / 1.) 0 deg C, 15 min; 2.) r.t., 1 h
2: sodium acetate / 3 h / 100 °C
3: 1 N HCl in MeOH / 2 h / Heating
View Scheme
2,4,5,6,3a,6a-hexahydro-2-oxapentalen-1,3-dione
5763-49-5

2,4,5,6,3a,6a-hexahydro-2-oxapentalen-1,3-dione

3-Hydroxy-2-((R)-2-hydroxy-1-phenyl-ethyl)-hexahydro-cyclopenta[c]pyrrol-1-one
86331-45-5, 95462-61-6

3-Hydroxy-2-((R)-2-hydroxy-1-phenyl-ethyl)-hexahydro-cyclopenta[c]pyrrol-1-one

Conditions
ConditionsYield
Multi-step reaction with 4 steps
1: tetrahydrofuran / 1.) 0 deg C, 15 min; 2.) r.t., 1 h
2: sodium acetate / 3 h / 100 °C
3: 1 N HCl in MeOH / 2 h / Heating
4: 94 percent / NaAlH2(OCH2CH2OCH3)2 / toluene / 4 h / -78 °C
View Scheme
2,4,5,6,3a,6a-hexahydro-2-oxapentalen-1,3-dione
5763-49-5

2,4,5,6,3a,6a-hexahydro-2-oxapentalen-1,3-dione

Acetic acid (R)-2-(1,3-dioxo-hexahydro-cyclopenta[c]pyrrol-2-yl)-2-phenyl-ethyl ester
86338-97-8

Acetic acid (R)-2-(1,3-dioxo-hexahydro-cyclopenta[c]pyrrol-2-yl)-2-phenyl-ethyl ester

Conditions
ConditionsYield
Multi-step reaction with 2 steps
1: tetrahydrofuran / 1.) 0 deg C, 15 min; 2.) r.t., 1 h
2: sodium acetate / 3 h / 100 °C
View Scheme
2,4,5,6,3a,6a-hexahydro-2-oxapentalen-1,3-dione
5763-49-5

2,4,5,6,3a,6a-hexahydro-2-oxapentalen-1,3-dione

N-methylcyclopentane-1,1-dicarboximide
71099-04-2

N-methylcyclopentane-1,1-dicarboximide

Conditions
ConditionsYield
Multi-step reaction with 2 steps
2: 51 percent / acetonitrile / 8 h / Irradiation
View Scheme
benzylamine
100-46-9

benzylamine

2,4,5,6,3a,6a-hexahydro-2-oxapentalen-1,3-dione
5763-49-5

2,4,5,6,3a,6a-hexahydro-2-oxapentalen-1,3-dione

N-benzyl-3-azabicyclo[3.3.0]octane-2,4-dione
111939-08-3

N-benzyl-3-azabicyclo[3.3.0]octane-2,4-dione

Conditions
ConditionsYield
In tetrahydrofuran for 18h; Heating / reflux;
3,5-Dichloroaniline
626-43-7

3,5-Dichloroaniline

2,4,5,6,3a,6a-hexahydro-2-oxapentalen-1,3-dione
5763-49-5

2,4,5,6,3a,6a-hexahydro-2-oxapentalen-1,3-dione

C13H13Cl2NO3
1190849-68-3

C13H13Cl2NO3

Conditions
ConditionsYield
In tetrahydrofuran at 55℃;
(S)-1-(((S)-2,3-dihydrobenzo[b][1,4]dioxin-2-yl)methyl)piperidin-3-amine

(S)-1-(((S)-2,3-dihydrobenzo[b][1,4]dioxin-2-yl)methyl)piperidin-3-amine

2,4,5,6,3a,6a-hexahydro-2-oxapentalen-1,3-dione
5763-49-5

2,4,5,6,3a,6a-hexahydro-2-oxapentalen-1,3-dione

2-((S)-1-(((S)-2,3-dihydrobenzo[b][1,4]dioxin-2-yl)methyl)piperidin-3-yl)tetrahydrocyclopenta[c]pyrrole-1,3(2H,3aH)-dione hydrochloride

2-((S)-1-(((S)-2,3-dihydrobenzo[b][1,4]dioxin-2-yl)methyl)piperidin-3-yl)tetrahydrocyclopenta[c]pyrrole-1,3(2H,3aH)-dione hydrochloride

Conditions
ConditionsYield
Stage #1: (S)-1-(((S)-2,3-dihydrobenzo[b][1,4]dioxin-2-yl)methyl)piperidin-3-amine; 2,4,5,6,3a,6a-hexahydro-2-oxapentalen-1,3-dione In 5,5-dimethyl-1,3-cyclohexadiene for 4h; Reflux;
Stage #2: With hydrogenchloride In water at 20℃;
0.33 g

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