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Dayang Chem (Hangzhou) Co.,Ltd.

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 ch

TERT-BUTYL 3-METHYLENEAZETIDINE-1-CARBOXYLATE

Cas:934664-41-2

Min.Order:1 Kilogram

FOB Price: $3.0

Type:Lab/Research institutions

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Wuhan Fortuna Chemical Co.,Ltd

Factory supply 1-Boc-3-Methylideneazetidine CAS 934664-41-2 with fast delivery Company profile Wuhan Fortuna Chemical Co.,Ltd established in 2006, is a big integrative chemical enterprise being engaged in Pharmaceutical & its intermediates,

Factory supply 1-Boc-3-Methylideneazetidine CAS 934664-41-2 with fast delivery

Cas:934664-41-2

Min.Order:10 Kilogram

FOB Price: $10.0

Type:Trading Company

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Enke Pharma-tech Co.,Ltd. (Cangzhou, China )

Cangzhou 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 ap

3-Methylene-azetidine-1-carboxylic acid tert-butyl ester

Cas:934664-41-2

Min.Order:1 Kilogram

FOB Price: $1.0

Type:Manufacturers

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Hebei yanxi chemical co.,LTD.

Hebei Yanxi Chemical Co., Ltd. is a professional research, development and production of lead acetate benzene acetamide enterprise backbone members by local well-known entrepreneurs and professional senior engineers in the party's "low car

1-Boc-3-methylideneazetid

Cas:934664-41-2

Min.Order:1 Metric Ton

FOB Price: $1.0 / 2.0

Type:Trading Company

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Hebei Nengqian Chemical Import and Export Co., LTD

With our good experience, we offer detailed technical support and advice to assist customers. We communicate closely with customers to establish their quality requirements. Consistent Quality Our plant has strict quality control in each manufacturin

1-Azetidinecarboxylic acid, 3-methylene-, 1,1-dimethylethyl ester

Cas:934664-41-2

Min.Order:1 Kilogram

FOB Price: $1.0 / 10.0

Type:Trading Company

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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

Pharmaceutical Grade CAS 934664-41-2 with competitive price

Cas:934664-41-2

Min.Order:1 Kilogram

FOB Price: $139.0 / 210.0

Type:Trading Company

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Qingdao Beluga Import and Export Co., LTD

1-Boc-3-methylideneazetid... CAS:934664-41-2 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 quality org

1-Boc-3-methylideneazetid... CAS:934664-41-2

Cas:934664-41-2

Min.Order:1 Gram

Negotiable

Type:Lab/Research institutions

inquiry

Changchun Artel lmport and Export trade company

Product Detail Minimum Order Qty. 10 Gram

1-Boc-3-Methylene-azetidine CAS NO.934664-41-2

Cas:934664-41-2

Min.Order:10 Gram

Negotiable

Type:Trading Company

inquiry

Wuhan Wonda Pharm Limited

1.high quality: quality is life. quality is the most important element for all goods. we have a lab doing research in wuhan china. hplc and nmr is available if needed. 2.reasonable price: we provide high quality products with competi

supply Top Assay 1-Boc-3-Methylideneazetidine

Cas:934664-41-2

Min.Order:10 Gram

Negotiable

Type:Lab/Research institutions

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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

tert-Butyl 3-methyleneazetidine-1-carboxylate

Cas:934664-41-2

Min.Order:0

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

tert-butyl 3-methylideneazetidine-1-carboxylate

Cas:934664-41-2

Min.Order:4 Kilogram

Negotiable

Type:Lab/Research institutions

inquiry

Hangzhou J&H Chemical Co., Ltd.

J&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

tert-Butyl 3-methyleneazetidine-1-carboxylate

Cas:934664-41-2

Min.Order:0

Negotiable

Type:Lab/Research institutions

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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-Boc-3-methylideneazetid

Cas:934664-41-2

Min.Order:10 Gram

FOB Price: $100.0

Type:Lab/Research institutions

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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,

1-Boc-3-Methylene-azetidine

Cas:934664-41-2

Min.Order:1 Kilogram

Negotiable

Type:Lab/Research institutions

inquiry

Shanghai Minstar Chemical Co., Ltd

1-Boc-3-methylideneazetid... Basic information Product Name: 1-Boc-3-methylideneazetid... Synonyms: 1-Boc-3-methylideneazetid...;1-Boc-3-Methylideneazetidine;tert-butyl 3-Methyleneazetidine-1-carboxylate;1-Boc-3-Methylene-azetidine;tert-butyl

1-Boc-3-methylideneazetid...

Cas:934664-41-2

Min.Order:1 Gram

Negotiable

Type:Lab/Research institutions

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

1-Boc-3-methylideneazetid...

Cas:934664-41-2

Min.Order:0

Negotiable

Type:Trading Company

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TAIZHOU ZHENYU BIOTECHNOLOGY CO., LTD

Zhenyu biotech exported this product to many countries and regions at best price. if you are looking for the material's manufacturer or supplier in china, zhenyu biotech is your best choice. pls contact with us freely for getting detailed

1-Boc-3-methylideneazetid...

Cas:934664-41-2

Min.Order:1 Kilogram

FOB Price: $2.0

Type:Lab/Research institutions

inquiry

Hunan chemfish Pharmaceutical co.,Ltd

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

tert-butyl 3-Methyleneazetidine-1-carboxylate

Cas:934664-41-2

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

934664-41-2

Cas:934664-41-2

Min.Order:0

Negotiable

Type:Lab/Research institutions

inquiry

Shanghai Finebiotech Co.,Ltd.

Shanghai Finebiotech Co.,Ltd.was established in 2020, which providing professional chemical services. As a customer-oriented company, we have distinguished ourself from others in providing worldwide customers with cost-effective and efficient service

tert-butyl 3-methylideneazetidine-1-carboxylate

Cas:934664-41-2

Min.Order:0

Negotiable

Type:Trading Company

inquiry

Win-Win chemical Co.Ltd

Stock products, own laboratory Package:Grams, Kilograms Application:For R&D Transportation:According to customer request Port:Shanghai

1-Boc-3-methylideneazetidine cas no. 934664-41-2 98%

Cas:934664-41-2

Min.Order:0

Negotiable

Type:Lab/Research institutions

inquiry

Hubei Taiho Chemical Co.,LTD

TAIHO 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

Tert-butyl 3-methyleneazetidine-1-carboxylate

Cas:934664-41-2

Min.Order:0

Negotiable

Type:Manufacturers

inquiry

Henan Tianfu Chemical Co., Ltd.

1.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.

tert-Butyl 3-methyleneazetidine-1-carboxylate

Cas:934664-41-2

Min.Order:0

Negotiable

Type:Lab/Research institutions

inquiry

Antimex Chemical Limied

Our own factory produces direct sales with absolute price advantage Application:Pharmaceutical industry Transportation:By sea Port:Shanghai/tianjin

tert-Butyl 3-methyleneazetidine-1-carboxylate

Cas:934664-41-2

Min.Order:0

Negotiable

Type:Lab/Research institutions

inquiry

HANGZHOU TIANYE CHEMICALS CO., LTD.

We product this chemical more than 10 years . We are very experience to export it to many countries, Our superior & stable quality , competitive price gain warm reception from our customers. Application:Chemical intermediate

tert-Butyl 3-methyleneazetidine-1-carboxylate

Cas:934664-41-2

Min.Order:0

Negotiable

Type:Trading Company

inquiry

Shanghai Chinqesen Biotechnology Co., Ltd.

Good Quality Package:1kg/bag Application:Medical or chemical Transportation:Air/Train/Sea Port:Shenzhen

934664-41-2

Cas:934664-41-2

Min.Order:0

Negotiable

Type:Trading Company

inquiry

Hunan Russell Chemicals Technology Co.,Ltd

high purity lowest priceAppearance:solid or liquid Storage:in sealed air resistant place Package:Foil bag; Drum; Plastic bottle Application:Pharma;Industry;Agricultural Transportation:by sea or air Port:any port in China

tert-butyl 3-Methyleneazetidine-1-carboxylate 934664-41-2

Cas:934664-41-2

Min.Order:0

Negotiable

Type:Trading Company

inquiry

ZHEJIANG JIUZHOU CHEM CO.,LTD

factory?direct?saleAppearance:White powder Storage:Sealed and preserved Package:200/Kilograms Application:healing drugs Transportation:By sea Port:Shanghai/tianjin

1-Boc-3-methylideneazetid...

Cas:934664-41-2

Min.Order:0

Negotiable

Type:Trading Company

inquiry

LEAP CHEM Co., Ltd.

Best Seller, High Quality, Competitive Price, Fast Delivery, Quick ResponseAppearance:powder, or liquid Storage:Stored in room temperature, ventilated place Package:Bottle, barrel, cargo, container, etc. Application:Pharmaceuticals, intermediates, AP

1-Boc-3-methylideneazetid...

Cas:934664-41-2

Min.Order:0

Negotiable

Type:Trading Company

inquiry

Amadis Chemical Co., Ltd.

1.Professional synthesis laboratory and production base. 2.Strong synthesis team and service team. 3.Professional data management system. 4.We provide the professional test date and product information ,ex. HNMR ,CNMR,FNMR, HPLC/G

tert-Butyl 3-methyleneazetidine-1-carboxylate

Cas:934664-41-2

Min.Order:10 Milligram

Negotiable

Type:Lab/Research institutions

inquiry

Synthetic route

tert-butyl 3-oxoazetidine-1-carboxylate
398489-26-4

tert-butyl 3-oxoazetidine-1-carboxylate

Methyltriphenylphosphonium bromide
1779-49-3

Methyltriphenylphosphonium bromide

3-methylene-azetidine-1-carboxylic acid tert-butyl ester
934664-41-2

3-methylene-azetidine-1-carboxylic acid tert-butyl ester

Conditions
ConditionsYield
Stage #1: potassium tert-butylate; Methyltriphenylphosphonium bromide In diethyl ether at 20℃; for 1h;
Stage #2: tert-butyl 3-oxoazetidine-1-carboxylate In diethyl ether at 35℃; for 2h;
100%
Stage #1: Methyltriphenylphosphonium bromide With potassium tert-butylate In diethyl ether at 20℃; for 1h;
Stage #2: tert-butyl 3-oxoazetidine-1-carboxylate In diethyl ether at 35℃; for 2h;
100%
Stage #1: Methyltriphenylphosphonium bromide With potassium tert-butylate In diethyl ether at 20℃; for 1h;
Stage #2: tert-butyl 3-oxoazetidine-1-carboxylate In diethyl ether at 35℃; for 2h;
100%
tert-butyl 3-oxoazetidine-1-carboxylate
398489-26-4

tert-butyl 3-oxoazetidine-1-carboxylate

3-methylene-azetidine-1-carboxylic acid tert-butyl ester
934664-41-2

3-methylene-azetidine-1-carboxylic acid tert-butyl ester

Conditions
ConditionsYield
With potassium tert-butylate; methyl-triphenylphosphonium iodide In diethyl ether at 35℃; for 2h;99%
tert-butyl 3-oxoazetidine-1-carboxylate
398489-26-4

tert-butyl 3-oxoazetidine-1-carboxylate

methyl-triphenylphosphonium iodide
2065-66-9

methyl-triphenylphosphonium iodide

3-methylene-azetidine-1-carboxylic acid tert-butyl ester
934664-41-2

3-methylene-azetidine-1-carboxylic acid tert-butyl ester

Conditions
ConditionsYield
Stage #1: methyl-triphenylphosphonium iodide With potassium tert-butylate In tetrahydrofuran at 0℃; for 0.5h; Inert atmosphere;
Stage #2: tert-butyl 3-oxoazetidine-1-carboxylate In tetrahydrofuran at 10 - 20℃; for 2h;
96%
tert-butyl 3-oxoazetidine-1-carboxylate
398489-26-4

tert-butyl 3-oxoazetidine-1-carboxylate

triphenylphosphine methyl bromide

triphenylphosphine methyl bromide

3-methylene-azetidine-1-carboxylic acid tert-butyl ester
934664-41-2

3-methylene-azetidine-1-carboxylic acid tert-butyl ester

Conditions
ConditionsYield
With potassium tert-butylate In diethyl ether at 20℃;61%
di-tert-butyl dicarbonate
24424-99-5

di-tert-butyl dicarbonate

3-methylene-azetidine-1-carboxylic acid tert-butyl ester
934664-41-2

3-methylene-azetidine-1-carboxylic acid tert-butyl ester

Conditions
ConditionsYield
Multi-step reaction with 3 steps
1.1: triethylamine / methanol / 2.5 h / -10 °C
1.2: -10 °C
2.1: oxalyl dichloride; triethylamine / dichloromethane; dimethyl sulfoxide / 15 h / -78 - 20 °C
3.1: potassium tert-butylate; methyl-triphenylphosphonium iodide / diethyl ether / 2 h / 35 °C
View Scheme
tert-butyl 3-hydroxyazetidine-1-carboxylate
141699-55-0

tert-butyl 3-hydroxyazetidine-1-carboxylate

3-methylene-azetidine-1-carboxylic acid tert-butyl ester
934664-41-2

3-methylene-azetidine-1-carboxylic acid tert-butyl ester

Conditions
ConditionsYield
Multi-step reaction with 2 steps
1: oxalyl dichloride; triethylamine / dichloromethane; dimethyl sulfoxide / 15 h / -78 - 20 °C
2: potassium tert-butylate; methyl-triphenylphosphonium iodide / diethyl ether / 2 h / 35 °C
View Scheme
3-methylene-azetidine-1-carboxylic acid tert-butyl ester
934664-41-2

3-methylene-azetidine-1-carboxylic acid tert-butyl ester

5,5-dimethyl-4,5-dihydro-isoxazole-3-carboxylic acid ethyl ester

5,5-dimethyl-4,5-dihydro-isoxazole-3-carboxylic acid ethyl ester

C17H28N2O5

C17H28N2O5

Conditions
ConditionsYield
With fac-tris(2-(4,6-difluorophenyl)pyridinato,N,C(2'))iridium(III) In acetonitrile at 20℃; Paterno-Buechi Cycloaddition; Irradiation; Sealed tube; Inert atmosphere; regioselective reaction;99%
3-methylene-azetidine-1-carboxylic acid tert-butyl ester
934664-41-2

3-methylene-azetidine-1-carboxylic acid tert-butyl ester

(trifluoromethyl)trimethylsilane
81290-20-2

(trifluoromethyl)trimethylsilane

tert-butyl 1,1-difluoro-5-azaspiro[2.3]hexane-5-carboxylate

tert-butyl 1,1-difluoro-5-azaspiro[2.3]hexane-5-carboxylate

Conditions
ConditionsYield
With sodium iodide In tetrahydrofuran for 8h; Reflux;91%
With sodium iodide In tetrahydrofuran at 65℃; Inert atmosphere;64%
3-methylene-azetidine-1-carboxylic acid tert-butyl ester
934664-41-2

3-methylene-azetidine-1-carboxylic acid tert-butyl ester

3-hydroxymethyl-azetidine-1-carboxylic acid tert-butyl ester
142253-56-3

3-hydroxymethyl-azetidine-1-carboxylic acid tert-butyl ester

Conditions
ConditionsYield
Stage #1: 3-methylene-azetidine-1-carboxylic acid tert-butyl ester With borane-THF In tetrahydrofuran at 20℃; for 1h;
Stage #2: With dihydrogen peroxide; sodium hydroxide In tetrahydrofuran at 20℃; for 1h;
90.9%
3-methylene-azetidine-1-carboxylic acid tert-butyl ester
934664-41-2

3-methylene-azetidine-1-carboxylic acid tert-butyl ester

C14H17NO4

C14H17NO4

C23H32N2O6

C23H32N2O6

Conditions
ConditionsYield
With fac-tris(2-(4,6-difluorophenyl)pyridinato,N,C(2'))iridium(III) In acetonitrile at 20℃; Paterno-Buechi Cycloaddition; Irradiation; Sealed tube; Inert atmosphere; regioselective reaction;88%
piperidine
110-89-4

piperidine

3-methylene-azetidine-1-carboxylic acid tert-butyl ester
934664-41-2

3-methylene-azetidine-1-carboxylic acid tert-butyl ester

tert-butyl 3-chloro-3-(piperidin-1-ylmethyl)azetidine-1-carboxylate

tert-butyl 3-chloro-3-(piperidin-1-ylmethyl)azetidine-1-carboxylate

Conditions
ConditionsYield
Stage #1: piperidine With N-chloro-succinimide; tris(2,2-bipyridine)ruthenium(II) hexafluorophosphate In dichloromethane at 20℃; for 1h; Sealed tube; Inert atmosphere;
Stage #2: 3-methylene-azetidine-1-carboxylic acid tert-butyl ester With trifluoroacetic acid In dichloromethane at 0℃; for 1h; Sealed tube; Inert atmosphere; Irradiation;
85%
5-bromoquinoline
4964-71-0

5-bromoquinoline

3-methylene-azetidine-1-carboxylic acid tert-butyl ester
934664-41-2

3-methylene-azetidine-1-carboxylic acid tert-butyl ester

tert-butyl 3-(quinolin-5-ylmethylene)azetidine-1-carboxylate

tert-butyl 3-(quinolin-5-ylmethylene)azetidine-1-carboxylate

Conditions
ConditionsYield
With palladium diacetate; triethylamine; tris-(o-tolyl)phosphine In acetonitrile at 100℃; for 19h; Sealed tube; Inert atmosphere;82%
3-methylene-azetidine-1-carboxylic acid tert-butyl ester
934664-41-2

3-methylene-azetidine-1-carboxylic acid tert-butyl ester

1-(1-(4-bromobenzyl)-1H-indol-5-yl)-5-methyl-1H-pyrazole-3-carboxamide

1-(1-(4-bromobenzyl)-1H-indol-5-yl)-5-methyl-1H-pyrazole-3-carboxamide

tert-butyl 3-(4-((5-(3-carbamoyl-5-methyl-1H-pyrazol-1-yl)-1H-indol-1-yl)methyl)benzyl)azetidine-1-carboxylate

tert-butyl 3-(4-((5-(3-carbamoyl-5-methyl-1H-pyrazol-1-yl)-1H-indol-1-yl)methyl)benzyl)azetidine-1-carboxylate

Conditions
ConditionsYield
Stage #1: 3-methylene-azetidine-1-carboxylic acid tert-butyl ester With 9-bora-bicyclo[3.3.1]nonane In tetrahydrofuran at 60℃; for 16h; Sealed tube;
Stage #2: 1-(1-(4-bromobenzyl)-1H-indol-5-yl)-5-methyl-1H-pyrazole-3-carboxamide With dichloro(1,1'-bis(diphenylphosphanyl)ferrocene)palladium(II)*CH2Cl2; potassium carbonate In tetrahydrofuran; water; N,N-dimethyl-formamide at 20 - 80℃; for 16h; Suzuki-Miyaura Coupling; Inert atmosphere;
81%
3-methylene-azetidine-1-carboxylic acid tert-butyl ester
934664-41-2

3-methylene-azetidine-1-carboxylic acid tert-butyl ester

N-dibromomethylidenehydroxylamine
74213-24-4

N-dibromomethylidenehydroxylamine

tert-butyl 7-bromo-5-oxa-2,6-diazaspiro[3,4]oct-6-ene-2-carboxylate

tert-butyl 7-bromo-5-oxa-2,6-diazaspiro[3,4]oct-6-ene-2-carboxylate

Conditions
ConditionsYield
With sodium hydrogencarbonate In ethyl acetate at 20 - 50℃; for 19h;79%
With sodium hydrogencarbonate In ethyl acetate at 20 - 50℃; for 19h;27.8 g
3-methylene-azetidine-1-carboxylic acid tert-butyl ester
934664-41-2

3-methylene-azetidine-1-carboxylic acid tert-butyl ester

3-methylazetidine-1-carboxylic acid tert-butyl ester

3-methylazetidine-1-carboxylic acid tert-butyl ester

Conditions
ConditionsYield
With Methyltriphenylphosphonium bromide; sodium hydride In tetrahydrofuran for 4.5h;73.2%
Difluoroacetic acid
381-73-7

Difluoroacetic acid

3-methylene-azetidine-1-carboxylic acid tert-butyl ester
934664-41-2

3-methylene-azetidine-1-carboxylic acid tert-butyl ester

tert-butyl 3-(2,2-difluoroethyl)azetidine-1-carboxylate

tert-butyl 3-(2,2-difluoroethyl)azetidine-1-carboxylate

Conditions
ConditionsYield
With tetrahydrofuran; [bis(acetoxy)iodo]benzene at 10 - 50℃; Irradiation; regioselective reaction;67%
3-methylene-azetidine-1-carboxylic acid tert-butyl ester
934664-41-2

3-methylene-azetidine-1-carboxylic acid tert-butyl ester

chlorofluoroacetic acid
471-44-3

chlorofluoroacetic acid

tert-butyl 3-(2-chloro-2-fluoroethyl)azetidine-1-carboxylate

tert-butyl 3-(2-chloro-2-fluoroethyl)azetidine-1-carboxylate

Conditions
ConditionsYield
With [bis(acetoxy)iodo]benzene In tetrahydrofuran at 20℃; for 19h; Irradiation;67%
3-methylene-azetidine-1-carboxylic acid tert-butyl ester
934664-41-2

3-methylene-azetidine-1-carboxylic acid tert-butyl ester

(Z)-2-(hydroxyimino)-2-phenylacetic acid
25327-36-0

(Z)-2-(hydroxyimino)-2-phenylacetic acid

tert-butyl 7-phenyl-5-oxa-2,6-diazaspiro[3.4]oct-6-ene-2-carboxylate

tert-butyl 7-phenyl-5-oxa-2,6-diazaspiro[3.4]oct-6-ene-2-carboxylate

Conditions
ConditionsYield
With Oxone; tris(2,2'-bipyridyl)ruthenium dichloride; sodium hydrogencarbonate In N,N-dimethyl-formamide at 20℃; for 18h; Sealed tube; Irradiation;65%
3-methylene-azetidine-1-carboxylic acid tert-butyl ester
934664-41-2

3-methylene-azetidine-1-carboxylic acid tert-butyl ester

6-bromo-4-methyl-2,10-dihydro-9-oxa-1,2,4a-triazaphenanthren-3-one
1613721-69-9

6-bromo-4-methyl-2,10-dihydro-9-oxa-1,2,4a-triazaphenanthren-3-one

3-(4-methyl-3-oxo-2,3,4,10-tetrahydro-9-oxa-1,2,4a-triazaphenanthren-6-ylmethylene)azetidine-1-carboxylic acid tert-butyl ester
1613720-19-6

3-(4-methyl-3-oxo-2,3,4,10-tetrahydro-9-oxa-1,2,4a-triazaphenanthren-6-ylmethylene)azetidine-1-carboxylic acid tert-butyl ester

Conditions
ConditionsYield
With palladium diacetate; triethylamine; tris-(o-tolyl)phosphine In acetonitrile at 110℃; for 4h; Heck Reaction;52%
3-methylene-azetidine-1-carboxylic acid tert-butyl ester
934664-41-2

3-methylene-azetidine-1-carboxylic acid tert-butyl ester

3-chloro-benzenecarboperoxoic acid
937-14-4

3-chloro-benzenecarboperoxoic acid

1-oxa-5-aza-spiro[2.3]hexane-5-carboxylic acid tert-butyl ester
934664-42-3

1-oxa-5-aza-spiro[2.3]hexane-5-carboxylic acid tert-butyl ester

Conditions
ConditionsYield
In chloroform at 20℃; for 48h;51%
3-methylene-azetidine-1-carboxylic acid tert-butyl ester
934664-41-2

3-methylene-azetidine-1-carboxylic acid tert-butyl ester

1-oxa-5-aza-spiro[2.3]hexane-5-carboxylic acid tert-butyl ester
934664-42-3

1-oxa-5-aza-spiro[2.3]hexane-5-carboxylic acid tert-butyl ester

Conditions
ConditionsYield
With m-chloroperoxybenzoic acid In chloroform at 20℃; for 48h;51%
With 3-chloro-benzenecarboperoxoic acid In chloroform at 20℃; for 48h;51%
With 3-chloro-benzenecarboperoxoic acid In chloroform at 20℃; for 48h;51%
3-methylene-azetidine-1-carboxylic acid tert-butyl ester
934664-41-2

3-methylene-azetidine-1-carboxylic acid tert-butyl ester

2-bromo-N,N-diphenylbutanamide

2-bromo-N,N-diphenylbutanamide

tert-butyl (R)-3-(2-(diphenylcarbamoyl)butyl)azetidine-1-carboxylate

tert-butyl (R)-3-(2-(diphenylcarbamoyl)butyl)azetidine-1-carboxylate

Conditions
ConditionsYield
With 1,3-dimethyl-3,4,5,6-tetrahydro-2(1H)-pyrimidinone; potassium fluoride; nickel(II) iodide monohydrate; diethoxymethylane; (S)-4-(4-fluorophenyl)-2-(6-methylpyridin-2-yl)-5,5-diphenyl-4,5-dihydrooxazole In 1,2-dichloro-ethane at -25℃; for 24h; Inert atmosphere; Sealed tube; enantioselective reaction;49%
3-methylene-azetidine-1-carboxylic acid tert-butyl ester
934664-41-2

3-methylene-azetidine-1-carboxylic acid tert-butyl ester

6-bromo-3,5-difluoro-1H-indazole

6-bromo-3,5-difluoro-1H-indazole

tert-butyl 3-((3,5-difluoro-1H-indazol-6-yl)methylene)azetidine-1-carboxylate

tert-butyl 3-((3,5-difluoro-1H-indazol-6-yl)methylene)azetidine-1-carboxylate

Conditions
ConditionsYield
With palladium diacetate; N-ethyl-N,N-diisopropylamine; tris-(o-tolyl)phosphine In N,N-dimethyl-formamide at 160℃; for 2h; Inert atmosphere; Microwave irradiation;48%
3-methylene-azetidine-1-carboxylic acid tert-butyl ester
934664-41-2

3-methylene-azetidine-1-carboxylic acid tert-butyl ester

(dimethyl(phenyl)silyl)zinc chloride
1234935-78-4

(dimethyl(phenyl)silyl)zinc chloride

benzoyl chloride
98-88-4

benzoyl chloride

C24H31NO3Si

C24H31NO3Si

Conditions
ConditionsYield
With nickel(II) bromide dimethoxyethane In tetrahydrofuran; acetonitrile at 0℃;48%
3-methylene-azetidine-1-carboxylic acid tert-butyl ester
934664-41-2

3-methylene-azetidine-1-carboxylic acid tert-butyl ester

6-bromo-3,3-difluoro-1,3-dihydro-2H-indol-2-one
1393532-37-0

6-bromo-3,3-difluoro-1,3-dihydro-2H-indol-2-one

tert-butyl 3-((3,3-difluoro-2-oxoindolin-6-yl)methylene)azetidine-1-carboxylate

tert-butyl 3-((3,3-difluoro-2-oxoindolin-6-yl)methylene)azetidine-1-carboxylate

Conditions
ConditionsYield
With palladium diacetate; N-ethyl-N,N-diisopropylamine; tris-(o-tolyl)phosphine In acetonitrile for 16h; Inert atmosphere;43.8%
3-methylene-azetidine-1-carboxylic acid tert-butyl ester
934664-41-2

3-methylene-azetidine-1-carboxylic acid tert-butyl ester

tert-butyl 3-hydroxy-3-(hydroxymethyl)azetidine-1-carboxylate

tert-butyl 3-hydroxy-3-(hydroxymethyl)azetidine-1-carboxylate

Conditions
ConditionsYield
With potassium osmate(VI); 4-methylmorpholine N-oxide In water; acetone at 20℃; for 12h;42%
3-methylene-azetidine-1-carboxylic acid tert-butyl ester
934664-41-2

3-methylene-azetidine-1-carboxylic acid tert-butyl ester

tert-butyl 3-(bromomethyl)-3-fluoroazetidine-1-carboxylate

tert-butyl 3-(bromomethyl)-3-fluoroazetidine-1-carboxylate

Conditions
ConditionsYield
With N-Bromosuccinimide; triethylamine tris(hydrogen fluoride) In dichloromethane at 5 - 20℃;41%
3-methylene-azetidine-1-carboxylic acid tert-butyl ester
934664-41-2

3-methylene-azetidine-1-carboxylic acid tert-butyl ester

ethyl 5-amino-2-bromo-6H-thieno[3,2-b]azepine-7-carboxylate

ethyl 5-amino-2-bromo-6H-thieno[3,2-b]azepine-7-carboxylate

ethyl 5-amino-2-[(1-tert-butoxycarbonylazetidin-3-yl)methyl]-6H-thieno[3,2-b]azepine-7-carboxylate

ethyl 5-amino-2-[(1-tert-butoxycarbonylazetidin-3-yl)methyl]-6H-thieno[3,2-b]azepine-7-carboxylate

Conditions
ConditionsYield
Stage #1: 3-methylene-azetidine-1-carboxylic acid tert-butyl ester With 9-bora-bicyclo[3.3.1]nonane In tetrahydrofuran at 70℃; for 4h;
Stage #2: ethyl 5-amino-2-bromo-6H-thieno[3,2-b]azepine-7-carboxylate With tris-(dibenzylideneacetone)dipalladium(0); sodium carbonate; XPhos In tetrahydrofuran; 1,4-dioxane; water at 100℃; for 12h; Inert atmosphere;
37%
3-methylene-azetidine-1-carboxylic acid tert-butyl ester
934664-41-2

3-methylene-azetidine-1-carboxylic acid tert-butyl ester

6-bromo-4-methyl-7-trifluoromethyl-2-(2-trimethylsilanylethoxymethyl)-2,10-dihydro-9-oxa-1,2,4a-triazaphenanthren-3-one
1613719-81-5

6-bromo-4-methyl-7-trifluoromethyl-2-(2-trimethylsilanylethoxymethyl)-2,10-dihydro-9-oxa-1,2,4a-triazaphenanthren-3-one

3-[4-methyl-3-oxo-7-trifluoromethyl-2-(2-trimethylsilanylethoxymethyl)-2,3,4,10-tetrahydro-9-oxa-1,2,4a-triazaphenanthren-6-ylmethylene]azetidine-1-carboxylic acid tert-butyl ester
1613720-51-6

3-[4-methyl-3-oxo-7-trifluoromethyl-2-(2-trimethylsilanylethoxymethyl)-2,3,4,10-tetrahydro-9-oxa-1,2,4a-triazaphenanthren-6-ylmethylene]azetidine-1-carboxylic acid tert-butyl ester

Conditions
ConditionsYield
With palladium diacetate; triethylamine; tris-(o-tolyl)phosphine In acetonitrile at 110℃; for 14h; Heck Reaction;20%
With palladium diacetate; triethylamine; tris-(o-tolyl)phosphine In acetonitrile at 110℃; for 14h;20%
3-methylene-azetidine-1-carboxylic acid tert-butyl ester
934664-41-2

3-methylene-azetidine-1-carboxylic acid tert-butyl ester

4-iodobenzoic acid ethyl ester
51934-41-9

4-iodobenzoic acid ethyl ester

tert-butyl 3-[(4-ethoxycarbonylphenyl)methyl]-azetidine-1-carboxylate

tert-butyl 3-[(4-ethoxycarbonylphenyl)methyl]-azetidine-1-carboxylate

Conditions
ConditionsYield
Stage #1: 3-methylene-azetidine-1-carboxylic acid tert-butyl ester With 9-bora-bicyclo[3.3.1]nonane In tetrahydrofuran for 4h; Reflux;
Stage #2: 4-iodobenzoic acid ethyl ester With tris-(dibenzylideneacetone)dipalladium(0); sodium carbonate; XPhos In tetrahydrofuran; 1,4-dioxane; water Reflux;
20%
Stage #1: 3-methylene-azetidine-1-carboxylic acid tert-butyl ester With 9-bora-bicyclo[3.3.1]nonane In tetrahydrofuran for 4h; Reflux;
Stage #2: 4-iodobenzoic acid ethyl ester With tris-(dibenzylideneacetone)dipalladium(0); sodium carbonate; XPhos In tetrahydrofuran; 1,4-dioxane; water Reflux;
200 mg
ethyl 5-bromothiophene-2-carboxylate
5751-83-7

ethyl 5-bromothiophene-2-carboxylate

3-methylene-azetidine-1-carboxylic acid tert-butyl ester
934664-41-2

3-methylene-azetidine-1-carboxylic acid tert-butyl ester

tert-butyl 3-[(5-ethoxycarbonyl-2-thienyl)methyl]azetidine-1-carboxylate

tert-butyl 3-[(5-ethoxycarbonyl-2-thienyl)methyl]azetidine-1-carboxylate

Conditions
ConditionsYield
Stage #1: 3-methylene-azetidine-1-carboxylic acid tert-butyl ester With 9-bora-bicyclo[3.3.1]nonane In tetrahydrofuran for 4h; Reflux;
Stage #2: ethyl 5-bromothiophene-2-carboxylate With tris-(dibenzylideneacetone)dipalladium(0); sodium carbonate; XPhos In tetrahydrofuran; 1,4-dioxane; water Reflux;
20%

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