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
Cas:5307-99-3
Min.Order:1 Kilogram
FOB Price: $3.0
Type:Lab/Research institutions
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:5307-99-3
Min.Order:5 Kiloliter
FOB Price: $1.2 / 5.0
Type:Manufacturers
inquiry1.In No Less 10 years exporting experience. you 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 Specializ
Cas:5307-99-3
Min.Order:1 Gram
Negotiable
Type:Lab/Research institutions
inquiry7,7-Dichlorobicyclo[3.2.0]hept-2-en-6-one CAS:5307-99-3 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
Cas:5307-99-3
Min.Order:1 Gram
Negotiable
Type:Lab/Research institutions
inquiryNewCan Biotech Limited was established in 2021 and is primarily engaged in the research, development, production, and sales of sugars, nucleosides, nucleotides, phosphorylated monomers, as well as next-generation antiviral and antitumor drug intermed
Cas:5307-99-3
Min.Order:1 Milligram
Negotiable
Type:Trading Company
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:5307-99-3
Min.Order:0
Negotiable
Type:Lab/Research institutions
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
Cas:5307-99-3
Min.Order:0 Metric Ton
Negotiable
Type:Other
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:5307-99-3
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
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
Cas:5307-99-3
Min.Order:1 Gram
Negotiable
Type:Lab/Research institutions
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:5307-99-3
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:5307-99-3
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
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
Cas:5307-99-3
Min.Order:100 Gram
Negotiable
Type:Lab/Research institutions
inquiryQ1: Are you a manufacturer Answer: Yes, we are factory founded on 2012.Q2: How to contact with us Click "contact supplier" And then send us message the product you interest in, you will get reply within 12 hours.Q3:Which kind of payment terms do you
Cas:5307-99-3
Min.Order:0
Negotiable
Type:Trading Company
inquiryhight degree of purity Application:Fine chemical intermediates, used as the main raw material for he synthesis of various pesticides, medicines, surfactants, polymer monomers, Ond Ontifungal agents
Cas:5307-99-3
Min.Order:0
Negotiable
Type:Lab/Research institutions
inquiry7,7-Dichloro[3.2.0]hept-2-en-6-one 5307-99-3 Application:7,7-Dichloro[3.2.0]hept-2-en-6-one 5307-99-3
Cas:5307-99-3
Min.Order:0 Metric Ton
Negotiable
Type:Lab/Research institutions
inquiryBicyclo[3.2.0]hept-2-en-6-one,7,7-dichloro- cas 5307-99-3Appearance:white crystalline powder Storage:Store in dry, dark and ventilated place Package:25KG drum Application:intermediate Transportation:by air, by sea, by express
Cas:5307-99-3
Min.Order:0
Negotiable
Type:Other
inquiryBest quality with low priceAppearance:clear brown liquid Storage:ln stock Package:25kg/Barrel Application:Chemicals Transportation:Express/Sea/Air Port:Shanghai
Cas:5307-99-3
Min.Order:0
Negotiable
Type:Lab/Research institutions
inquirybulk?production Application:Pharmaceutical intermediates
Cas:5307-99-3
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:5307-99-3
Min.Order:0
Negotiable
Type:Trading Company
inquirybest seller Application:API
Cas:5307-99-3
Min.Order:0
Negotiable
Type:Trading Company
inquiry
Cas:5307-99-3
Min.Order:1 Kilogram
Negotiable
Type:Trading Company
inquiryNanjing Sunsure Chemical Technology Co., Ltd., established in 2009, has expanded a compositive entity from initially only as a small manufacturer. The company dedicated to the development, production and marketing of chemicals. Sunsure covers whole
Cas:5307-99-3
Min.Order:1 Milligram
Negotiable
Type:Lab/Research institutions
inquiryAt Share Chemical Company, we scrupulously abide by our policy of “Excellent Quality at a Reasonable Price”. We strive to satisfy all of our customers by providing the finest quality products supported by the finest in customer servi
Cas:5307-99-3
Min.Order:1 Gram
Negotiable
Type:Other
inquiryFINETECH INDUSTRY LIMITED is a LONDON based CRO company providing drug discovery & development services to worldwide clients. FINETECH INDUSTRY LIMITED supplies the 7,7-DICHLOROBICYCLO[3.2.0]HEPT-2-EN-6-ONE, CAS:5307-99-3 with the most competitive pr
Cas:5307-99-3
Min.Order:0
Negotiable
Type:Trading Company
inquiryThe company have effective management team, professional technical R & D personnel, the service spirit of customer oriented. We have long-term cooperation with famous domestic manufacturer, and excellent customer resources overseas. We are skilled in
Cas:5307-99-3
Min.Order:0
Negotiable
Type:Lab/Research institutions
inquiryChangchun BC&HC Pharmaceutical Technology Co., Ltd is a privately held company established in October 2014.It is a High-Tech and Innovative company founded by PhD from Jilin University. BC&HC is a market oriented ,R&D driven,up market chemic
We promise quality; We deliver goods timely; We test product purity before delivery;We quote price reasonabl;We guarantee after sale service.Appearance:White or off-white crystalline powder Storage:cool and dry area,avoiding light Package:1g/5g/10g/2
Cas:5307-99-3
Min.Order:0
Negotiable
Type:Trading Company
inquiryhigh purity Application:Drug intermediates Materials intermediates and active molecules
Cas:5307-99-3
Min.Order:0
Negotiable
Type:Trading Company
inquirytributyl(trichloroacetoxy)stannane
cyclopenta-1,3-diene
A
(+/-)-7,7-dichlorobicyclo[3.2.0]hept-2-en-6-one
B
tributyltin chloride
C
Triphenylphosphine oxide
Conditions | Yield |
---|---|
With triphenylphosphine | A 30% B 90% C 92% |
With P(C6H5)3 | A 30% B 90% C 92% |
dichloroacethyl chloride
cyclopenta-1,3-diene
(+/-)-7,7-dichlorobicyclo[3.2.0]hept-2-en-6-one
Conditions | Yield |
---|---|
With triethylamine In pentane for 4h; Heating; | 88% |
With triethylamine In hexane; n-heptane at 20℃; | 86% |
With triethylamine In hexane at 20℃; | 85% |
β,β-dichloroacryloyl chloride
cyclopenta-1,3-diene
(+/-)-7,7-dichlorobicyclo[3.2.0]hept-2-en-6-one
Conditions | Yield |
---|---|
With triethylamine In hexane at 26 - 30℃; for 9h; | 85% |
dichloroketene
cyclopenta-1,3-diene
(+/-)-7,7-dichlorobicyclo[3.2.0]hept-2-en-6-one
Conditions | Yield |
---|---|
With triethylamine In pentane | 79% |
cyclopenta-1,3-diene
Trichloroacetyl chloride
(+/-)-7,7-dichlorobicyclo[3.2.0]hept-2-en-6-one
Conditions | Yield |
---|---|
With zinc In diethyl ether at 0℃; for 1h; | 61% |
7,7-dichloro-2,4-exo-bis(trimethylsilyl)bicyclo<3.2.0>hept-2-en-6-one
(+/-)-7,7-dichlorobicyclo[3.2.0]hept-2-en-6-one
Conditions | Yield |
---|---|
With sulfuric acid In methanol for 18h; Ambient temperature; | 37% |
trimethylsilyl trichloroacetate
cyclopenta-1,3-diene
(+/-)-7,7-dichlorobicyclo[3.2.0]hept-2-en-6-one
Conditions | Yield |
---|---|
With triphenylphosphine |
5,5-bis(trimethylsilyl)cyclopentadiene
(+/-)-7,7-dichlorobicyclo[3.2.0]hept-2-en-6-one
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: 72 percent / triethylamine / hexane / 1.) ice-cooling, 2 h, 2.) 0 - 5 deg C, 12 h 2: 37 percent / conc. H2SO4 / methanol / 18 h / Ambient temperature View Scheme |
bi(cyclopentadiene)
(+/-)-7,7-dichlorobicyclo[3.2.0]hept-2-en-6-one
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: 200 °C 2: triethylamine / pentane View Scheme |
(+/-)-7,7-dichlorobicyclo[3.2.0]hept-2-en-6-one
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: Heating 2: triethylamine / n-heptane; hexane / 20 °C View Scheme |
(+/-)-7,7-dichlorobicyclo[3.2.0]hept-2-en-6-one
7,7-dichloro-6-hydroxybicyclo<3.2.0>hept-2-ene
Conditions | Yield |
---|---|
With sodium tetrahydroborate In methanol for 21h; Ambient temperature; | 96% |
With lithium aluminium tetrahydride In diethyl ether for 1h; Ambient temperature; |
(+/-)-7,7-dichlorobicyclo[3.2.0]hept-2-en-6-one
7,7-dichloro-6-hydroxybicyclo<3.2.0>hept-2-ene-6-d
Conditions | Yield |
---|---|
With sodium borodeuteride In methanol for 15h; Ambient temperature; | 95% |
(+/-)-7,7-dichlorobicyclo[3.2.0]hept-2-en-6-one
2-hydroxy-2,4,6-cycloheptatrien-1-one
Conditions | Yield |
---|---|
With acetic acid; sodium hydroxide | 95% |
With sodium hydroxide; acetic acid at 130℃; for 7h; Rearrangement; | 87% |
With hydrogenchloride; sodium hydroxide; acetic acid for 8h; pH=1; Heating; | 77% |
With sodium hydroxide; acetic acid for 8h; Heating; | 77% |
(+/-)-7,7-dichlorobicyclo[3.2.0]hept-2-en-6-one
(R)-1-phenyl-ethyl-amine
2-(dichloromethyl)-N-[(1R)-1-phenylethyl]cyclopent-3-ene-1-carboxamide
Conditions | Yield |
---|---|
In benzene at 20℃; for 4h; | 95% |
(+/-)-7,7-dichlorobicyclo[3.2.0]hept-2-en-6-one
bicyclo(3.2.0)hept-2-en-6-one
Conditions | Yield |
---|---|
With zinc In acetic acid at 70℃; for 0.666667h; | 94% |
With acetic acid; zinc at 70℃; for 48h; | 83% |
With zinc In acetic acid | 81% |
(+/-)-7,7-dichlorobicyclo[3.2.0]hept-2-en-6-one
Conditions | Yield |
---|---|
at 120 - 130℃; for 6h; | 93% |
(+/-)-7,7-dichlorobicyclo[3.2.0]hept-2-en-6-one
Conditions | Yield |
---|---|
Stage #1: (+/-)-7,7-dichlorobicyclo[3.2.0]hept-2-en-6-one With sodium tetrahydroborate Stage #2: With ozone In methanol; dichloromethane at -78℃; for 0.166667h; Stage #3: With thiourea In methanol; dichloromethane at -78 - 20℃; Further stages.; | 93% |
ethanol
(+/-)-7,7-dichlorobicyclo[3.2.0]hept-2-en-6-one
(Z)-7,7-Dichloro-hepta-4,6-dienoic acid ethyl ester
Conditions | Yield |
---|---|
In benzene Irradiation; irradiation with a Hanovia 450W high-pressure mercury arc lamp; | 90% |
(+/-)-7,7-dichlorobicyclo[3.2.0]hept-2-en-6-one
2-diethylamino-1,3,2-dioxaphosphorinane
Conditions | Yield |
---|---|
at 120 - 130℃; for 6h; | 87% |
(+/-)-7,7-dichlorobicyclo[3.2.0]hept-2-en-6-one
sodium methylate
methyl 2-(dichloromethyl)cyclopent-3-ene-1-carboxylate
Conditions | Yield |
---|---|
In methanol at -5 - 0℃; for 2h; | 83% |
diisobutyl phosphite
(+/-)-7,7-dichlorobicyclo[3.2.0]hept-2-en-6-one
(7,7-Dichloro-6-hydroxy-bicyclo[3.2.0]hept-2-en-6-yl)-phosphonic acid diisobutyl ester
Conditions | Yield |
---|---|
With triethylamine In benzene Ambient temperature; | 70% |
dibutyl hydrogen phosphite
(+/-)-7,7-dichlorobicyclo[3.2.0]hept-2-en-6-one
(7,7-Dichloro-6-hydroxy-bicyclo[3.2.0]hept-2-en-6-yl)-phosphonic acid dibutyl ester
Conditions | Yield |
---|---|
With triethylamine In benzene Ambient temperature; | 70% |
(+/-)-7,7-dichlorobicyclo[3.2.0]hept-2-en-6-one
7,7-dideuteriobicyclo<3.2.0>hept-2-en-6-one
Conditions | Yield |
---|---|
With deuteroacetic acid; zinc | 67% |
(+/-)-7,7-dichlorobicyclo[3.2.0]hept-2-en-6-one
di-n-propyl phosphonate
(7,7-Dichloro-6-hydroxy-bicyclo[3.2.0]hept-2-en-6-yl)-phosphonic acid dipropyl ester
Conditions | Yield |
---|---|
With triethylamine In benzene Ambient temperature; | 67% |
(+/-)-7,7-dichlorobicyclo[3.2.0]hept-2-en-6-one
(+/-)-endo-7,7-dichlorobicyclo[3.2.0]hept-2-en-6-ol
Conditions | Yield |
---|---|
With sodium tetrahydroborate In methanol at 20℃; for 1.5h; | 65% |
(+/-)-7,7-dichlorobicyclo[3.2.0]hept-2-en-6-one
Dimethyl phosphite
dimethyl 6-hydroxy-7,7-dichlorobicyclo<3.2.0>hept-2-en-6-ylphosphonate
Conditions | Yield |
---|---|
With triethylamine In benzene for 5h; Ambient temperature; other dialkyl phosphites; | 62% |
With triethylamine In benzene for 5h; Ambient temperature; | 62% |
2-methoxy-[1,3,2]dioxaphosphinane
(+/-)-7,7-dichlorobicyclo[3.2.0]hept-2-en-6-one
Conditions | Yield |
---|---|
at 120 - 130℃; for 6h; | 61% |
diisopropyl hydrogenphosphonate
(+/-)-7,7-dichlorobicyclo[3.2.0]hept-2-en-6-one
(7,7-Dichloro-6-hydroxy-bicyclo[3.2.0]hept-2-en-6-yl)-phosphonic acid diisopropyl ester
Conditions | Yield |
---|---|
With triethylamine In benzene Ambient temperature; | 60% |
(+/-)-7,7-dichlorobicyclo[3.2.0]hept-2-en-6-one
phosphonic acid diethyl ester
(7,7-Dichloro-6-hydroxy-bicyclo[3.2.0]hept-2-en-6-yl)-phosphonic acid diethyl ester
Conditions | Yield |
---|---|
With triethylamine In benzene Ambient temperature; | 60% |
(+/-)-7,7-dichlorobicyclo[3.2.0]hept-2-en-6-one
4-methyl-2-methoxy-1,3,2-dioxaphosphorinane
Conditions | Yield |
---|---|
at 120 - 130℃; for 6h; | 60% |
(+/-)-7,7-dichlorobicyclo[3.2.0]hept-2-en-6-one
(+/-)-2-formylcyclopent-2-enecarboxylic acid
Conditions | Yield |
---|---|
With sodium hydroxide In water at 60℃; for 1h; Solvent; Temperature; Concentration; Green chemistry; | 59.4% |
Stage #1: (+/-)-7,7-dichlorobicyclo[3.2.0]hept-2-en-6-one With water; triethylamine In tert-butyl alcohol for 3h; Reflux; Solvolysis; Stage #2: With potassium carbonate In tert-butyl alcohol at 10℃; for 0.5h; | 52% |
With sodium hydrogencarbonate at 75℃; for 5h; Hydrolysis; |
(+/-)-7,7-dichlorobicyclo[3.2.0]hept-2-en-6-one
Conditions | Yield |
---|---|
With dihydrogen peroxide; sodium hydroxide In methanol; water at -5 - 30℃; | 57% |
1,3,2-dioxaphosphinan-2-oxide
(+/-)-7,7-dichlorobicyclo[3.2.0]hept-2-en-6-one
Conditions | Yield |
---|---|
With triethylamine In benzene for 12h; | 55% |
4-methyl-[1,3,2]dioxaphosphinane 2-oxide
(+/-)-7,7-dichlorobicyclo[3.2.0]hept-2-en-6-one
Conditions | Yield |
---|---|
With triethylamine In benzene for 12h; | 55% |
(+/-)-7,7-dichlorobicyclo[3.2.0]hept-2-en-6-one
(R)-1-phenyl-ethyl-amine
A
(3R,3aS,6aR)-3-hydroxy-2-[(1R)-1-phenylethyl]-3,3a,6,6a-tetrahydrocyclopenta[c]pyrrol-1(2H)-one
B
(3S,3aR,6aS)-3-hydroxy-2-[(1R)-1-phenylethyl]-3,3a,6,6a-tetrahydrocyclopenta[c]pyrrol-1(2H)-one
Conditions | Yield |
---|---|
Stage #1: (+/-)-7,7-dichlorobicyclo[3.2.0]hept-2-en-6-one; (R)-1-phenyl-ethyl-amine In benzene at 20℃; for 4h; Stage #2: With barium(II) oxide In water; acetonitrile for 20h; Reflux; | A 47% B 46% |
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