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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

Hot Sell Factory Supply Raw Material CAS 6674-22-2 ,DBU 1,8-Diazabicyclo[5.4.0]undec-7-ene

Cas:6674-22-2

Min.Order:10 Kilogram

Negotiable

Type:Trading Company

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Shandong Xinhua Pharmaceutical Co.,Ltd

Biggest manufacturer for DBU With implementing the global market development strategy and adopting the international advanced standards in quality management, Shandong Xinhua has been granted the certifications of GMP, ISO9001, ISO14001, ISO 1001

1,8-Diazabicyclo[5.4.0]undec-7-ene

Cas:6674-22-2

Min.Order:1000 Kilogram

Negotiable

Type:Manufacturers

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Jinan Finer Chemical Co., Ltd

Product description: Product name 1,8-Diazabicyclo[5.4.0]undec-7-ene CAS number 6674-22-2 Assay ≥98% Appearance Colorless to yellowish liquid Capacity 200mt/year Application

1,8-Diazabicyclo[5.4.0]undec-7-ene

Cas:6674-22-2

Min.Order:10 Gram

FOB Price: $12.0

Type:Lab/Research institutions

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Ality Chemical Corporation

Density: 1.019 Melting Point: -70ºC Boiling Point: 261ºC Flash Point: 116ºC Refractive In

Factory Supply DBU

Cas:6674-22-2

Min.Order:1 Gram

Negotiable

Type:Other

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Dayang Chem (Hangzhou) Co.,Ltd.

DayangChem exported this product to many countries and regions at best price. If you are looking for the material's manufacturer or supplier in China, DayangChem is your best choice. Pls contact with us freely for getting detailed product spe

1,8-Diazabicyclo[5.4.0]undec-7-ene Manufacturer/High quality/Best price/In stock

Cas:6674-22-2

Min.Order:1 Kilogram

FOB Price: $3.0

Type:Lab/Research institutions

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Simagchem Corporation

Welcome to Simagchem, your partner in China as a premier supply of bulk specialty chemicals for industry and life science. We introduce experienced quality product and exceptional JIT service with instant market intelligence in China to benefit our

High quality 1,8-Diazabicyclo (5.4.0) Undec-7-Ene(JD DBU) supplier in China

Cas:6674-22-2

Min.Order:1 Kilogram

Negotiable

Type:Manufacturers

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Hangzhou Dingyan Chem Co., Ltd

Items Standard Result Assay (Ursolic acid) 98%min 98.22% ----------------------------------------------------------------

High purity 6674-22-2 DBU; 1,8-diazabicyclo(5.4.0)undec-7-ene;2,3,4,6,7,8,9,10-octahydropyrimido(1,2-a)azepine

Cas:6674-22-2

Min.Order:1 Gram

FOB Price: $100.0 / 500.0

Type:Trading Company

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Kono Chem Co.,Ltd

Chemical Name: 1,8-Diazabicyclo[5.4.0]undec-7-ene CAS No.:6674-22-2 Molecular Formula:C9H16N2 Molecular weight: 152.24 Appearance: light yellow liquid Typical Properties Density: 1.019 Melting P

CAS:6674-22-2 DBU

Cas:6674-22-2

Min.Order:1 Kilogram

Negotiable

Type:Other

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Henan Allgreen Chemical Co.,Ltd

high quality Appearance:White or off-white Solid Storage:Sealed, dry, microtherm , avoid light and smell. Package:According to the demand of customer Application:Organic synthesis Transportation:by air or by sea Port:shanghai

1,8-Diazabicyclo[5.4.0]undec-7-ene

Cas:6674-22-2

Min.Order:1 Kilogram

Negotiable

Type:Manufacturers

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Wuhan Kemi-Works Chemical Co., Ltd

Golden supplier bulk sell 1,8-Diazabicyclo[5.4.0]undec-7-ene 6674-22-2 with high quality ProductName:1,8-Diazabicyclo[5.4.0]undec-7-ene Synonyms:2,3,4,6,7,8,9,10-Octahydropyrimido[1,2-a]azepine;DBU CASNo:6674-22-2 EINE… Product Name:

Shanghai Seasonsgreen Chemical Co.,Ltd

Shanghai Seasonsgreen Chemical is a high-tech research and development, production, sale and custom synthesis set in one high-tech chemical products enterprises. Our sales and marketing division is located in Shanghai, serving international pharmaceu

lower price High quality DBU

Cas:6674-22-2

Min.Order:1 Kilogram

FOB Price: $1.0

Type:Manufacturers

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Hebei yanxi chemical co.,LTD.

Cyromazine golden supplier /Hot sale 66215-27-8 immediately delivery Product Description Product Name Cyromazine CAS number 66215-27-8 Molecular form

1,8-Diazabicyclo[5.4.0]undec-7-ene(DBU)

Cas:6674-22-2

Min.Order:1 Kilogram

FOB Price: $11.0 / 16.0

Type:Trading Company

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Chemwill Asia Co., Ltd.

1,8-Diazabicyclo[5.4.0]undec-7-ene -- CHemwill

Cas:6674-22-2

Min.Order:1 Metric Ton

FOB Price: $1.0

Type:Manufacturers

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Henan Tianfu Chemical Co., Ltd.

Our company was built in 2009 with an ISO certificate.In the past 6 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.O

6674-22-2 1,8-Diazabicyclo[5.4.0]undec-7-ene

Cas:6674-22-2

Min.Order:1 Kilogram

FOB Price: $1000.0

Type:Lab/Research institutions

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Hebei Nengqian Chemical Import and Export Co., LTD

Our advantages: 1. All inquiries will be replied within 12 hours. 2. Dedication to quality, supply & service. 3. Strictly on selecting raw materials. 4. Reasonable & competitive price, fast lead time. 5. Sample is available for your eva

DBU

Cas:6674-22-2

Min.Order:1 Kilogram

FOB Price: $9.0 / 99.0

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

Factory direct supply CAS 6674-22-2 with best quality

Cas:6674-22-2

Min.Order:1 Kilogram

FOB Price: $139.0 / 210.0

Type:Trading Company

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Henan Sinotech Import&Export Corporation

Name:1,8-Diazabicyclo[5.4.0]undec-7-ene 6674-22-2 Other name:Dicyclo[5,4,0]-1,8-Diazole-7-Nonylene 6674-22-2 Color: white Purity: 99%min Molecular formula:C9H16N2 Storage:RT. Package:drum Application:Pharmaceutical Intermediates Transpo

1,8-Diazabicyclo[5.4.0]undec-7-ene

Cas:6674-22-2

Min.Order:1 Kilogram

FOB Price: $1.0

Type:Other

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Hangzhou JINLAN Pharm-Drugs Technology Co., Ltd

We can provide GMP validation service that complies with SFDA, FDA, WHO and EU EMPA.Excellent registration team could help us easlily to register our products in different countries.If you and your customer are interested in some products or need CMO

1,8-Diazabicyclo[5.4.0]undec-7-ene manufacturer/supplier

Cas:6674-22-2

Min.Order:1 Gram

Negotiable

Type:Trading Company

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Hubei Langyou International Trading Co., Ltd

1. Guaranteed purity; 2. Large quantity in stock; 3. Largest manufacturer; 4. Best service after shipment with email; 5. High quality & competitive price; Appearance:White Crystalline Powder Storage:Store in sealed conta

high quality 6674-22-2 1,8-Diazabicyclo[5.4.0]undec-7-ene with best price

Cas:6674-22-2

Min.Order:10 Gram

Negotiable

Type:Other

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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

1,8-Diazabicyclo(5.4.0)undec-7-ene 6674-22-2

Cas:6674-22-2

Min.Order:1 Kilogram

Negotiable

Type:Lab/Research institutions

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Xi'an Faithful Biotech Co., Ltd.

We are the manufacturers and suppliers of API in China, and warehouse in Germany and USA of California, which can quickly and safely deliver to your address 1.High quality and competitive price. 2.Free sample for your evaluation. 3.Promptly delivery

Shanghai Minstar Chemical Co., Ltd

1,8-Diazabicyclo[5.4.0]undec-7-ene Basic information Product Name: 1,8-Diazabicyclo[5.4.0]undec-7-ene Synonyms: 1,5-DIAZABICYCLO(5,4,0)UNDEC-5-ENE;1,8-DIAZABICYCLO[5,4,0]-7-UNDECENE;1,8-DIAZABICYCLO[5.4.0]UNDEC-7-ENE;1,8-DIAZABICYCLO[5.4.0]UND

1,8-Diazabicyclo[5.4.0]undec-7-ene

Cas:6674-22-2

Min.Order:1 Gram

Negotiable

Type:Lab/Research institutions

inquiry

Hangzhou Ocean Chemical Co., Ltd.

DBU 6674-22-2 manufacturer 1,8-diazepam XEN carbon-7-ene short DBU, a multi-functional alkaline reagent or catalyst, soluble in water, ethanol, has a strong alkaline, in isomer, esterification, condensation, elimination and other reactions are widel

DBU 6674-22-2 manufacturer

Cas:6674-22-2

Min.Order:1 Kilogram

Negotiable

Type:Lab/Research institutions

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Baoji Guokang Healthchem co.,ltd

Our company has been in existence for 10 years since its establishment. We have our own unique team. The company integrates independent research and development, production and sales. We have established famous brands at home and abroad. At present,

1,8-Diazabicyclo[5.4.0]undec-7-ene

Cas:6674-22-2

Min.Order:1 Kilogram

FOB Price: $40.0

Type:Trading Company

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Qingdao Beluga Import and Export Co., LTD

1,8-Diazabicyclo[5.4.0]undec-7-ene CAS: 6674-22-2 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 qualit

1,8-Diazabicyclo[5.4.0]undec-7-ene CAS: 6674-22-2

Cas:6674-22-2

Min.Order:1 Gram

Negotiable

Type:Lab/Research institutions

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 emai

1,8-Diazabicyclo(5.4.0)undec-7-ene

Cas:6674-22-2

Min.Order:1 Kilogram

Negotiable

Type:Lab/Research institutions

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Hubei Jiutian Bio-medical Technology Co., Ltd

1,we produce and sell good chemicals around the world. 2,our success rate is about 95%. this means, if customer order is accepted, the probability that the customer will obtain the ordered substances, is 95%. 3,our staff consists

1,8-Diazabicyclo[5.4.0]undec-7-ene 6674-22-2

Cas:6674-22-2

Min.Order:1 Kilogram

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

CAS NO.:6674-22-2

Cas:6674-22-2

Min.Order:0

Negotiable

Type:Lab/Research institutions

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Lonwin Chemical Group Limited

1,8-Diazabicyclo[5.4.0]undec-7-ene CAS:6674-22-2 Specification Density: 1.1±0.1 g/cm3 Boiling Point: 274.6±9.0 °C at 760 mmHg Vapour Pressure: 0.0±0.6 mmHg at 25°C Enthalpy

Factory supply 1,8-Diazabicyclo[5.4.0]undec-7-ene

Cas:6674-22-2

Min.Order:1 Kilogram

Negotiable

Type:Other

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Xiamen Hisunny Chemical Co.,Ltd

Best quality & Attractive price & Professional service; Trial & Pilot & Commercial Hisunny Chemical is a leading manufacturer and supplier of chemicals in China. We develop produce and distribute high quality intermediates, specia

1,8-Diazabicyo[5.4.0]Undec-Ene ( DBU )

Cas:6674-22-2

Min.Order:0

Negotiable

Type:Manufacturers

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Synthetic route

1-(2,3,4,6,7,8,9,10-Octahydro-pyrimido[1,2-a]azepin-10-yl)-1-phenyl-ethanol
107645-81-8

1-(2,3,4,6,7,8,9,10-Octahydro-pyrimido[1,2-a]azepin-10-yl)-1-phenyl-ethanol

A

1,8-diazabicyclo[5.4.0]undec-7-ene
6674-22-2

1,8-diazabicyclo[5.4.0]undec-7-ene

B

acetophenone
98-86-2

acetophenone

Conditions
ConditionsYield
at 150℃; for 2h; Product distribution;A n/a
B 90%
(2,3,4,6,7,8,9,10-Octahydro-pyrimido[1,2-a]azepin-10-yl)-diphenyl-methanol
107645-80-7

(2,3,4,6,7,8,9,10-Octahydro-pyrimido[1,2-a]azepin-10-yl)-diphenyl-methanol

A

benzophenone
119-61-9

benzophenone

B

1,8-diazabicyclo[5.4.0]undec-7-ene
6674-22-2

1,8-diazabicyclo[5.4.0]undec-7-ene

Conditions
ConditionsYield
at 180℃; for 2h; Product distribution;A 85%
B n/a
1,8-diazabicyclo<5.4.0>undec-7-ene hidrochloride
78204-84-9

1,8-diazabicyclo<5.4.0>undec-7-ene hidrochloride

1,8-diazabicyclo[5.4.0]undec-7-ene
6674-22-2

1,8-diazabicyclo[5.4.0]undec-7-ene

Conditions
ConditionsYield
With tri-n-propylamine; sodium methylate In methanol85%
1,8-diazabicyclo[5.4.0]undec-7-ene hydrochloride

1,8-diazabicyclo[5.4.0]undec-7-ene hydrochloride

1,8-diazabicyclo[5.4.0]undec-7-ene
6674-22-2

1,8-diazabicyclo[5.4.0]undec-7-ene

Conditions
ConditionsYield
With sodium hydroxide In water; toluene at 20℃; for 1h; Reagent/catalyst;78.8%
pyrrole
109-97-7

pyrrole

methyl 1,8-diazabicyclo[5.4.0]undec-6-ene-8-carboxylate
1309041-52-8

methyl 1,8-diazabicyclo[5.4.0]undec-6-ene-8-carboxylate

A

methyl 1H-pyrrole-1-carboxylate
4277-63-8

methyl 1H-pyrrole-1-carboxylate

B

1,8-diazabicyclo[5.4.0]undec-7-ene
6674-22-2

1,8-diazabicyclo[5.4.0]undec-7-ene

Conditions
ConditionsYield
In chloroform-d1 at 19.84℃; for 56h;A 78%
B n/a
(2,3,4,6,7,8,9,10-Octahydro-pyrimido[1,2-a]azepin-10-yl)-phenyl-methanol
107645-82-9

(2,3,4,6,7,8,9,10-Octahydro-pyrimido[1,2-a]azepin-10-yl)-phenyl-methanol

A

benzaldehyde
100-52-7

benzaldehyde

B

1,8-diazabicyclo[5.4.0]undec-7-ene
6674-22-2

1,8-diazabicyclo[5.4.0]undec-7-ene

Conditions
ConditionsYield
at 180℃; for 2h; Product distribution;A 32%
B n/a
(Z)-1-(2,3,4,6,7,8,9,10-Octahydro-pyrimido[1,2-a]azepin-10-yl)-2-phenyl-ethenol

(Z)-1-(2,3,4,6,7,8,9,10-Octahydro-pyrimido[1,2-a]azepin-10-yl)-2-phenyl-ethenol

cyclohexanol
108-93-0

cyclohexanol

A

phenylacetic acid cyclohexyl ester
42288-75-5

phenylacetic acid cyclohexyl ester

B

1,8-diazabicyclo[5.4.0]undec-7-ene
6674-22-2

1,8-diazabicyclo[5.4.0]undec-7-ene

Conditions
ConditionsYield
In diethylene glycol dimethyl ether for 24h; Product distribution; Mechanism; Heating;A 14%
B n/a
methanol
67-56-1

methanol

(Z)-1-(2,3,4,6,7,8,9,10-Octahydro-pyrimido[1,2-a]azepin-10-yl)-2-phenyl-ethenol

(Z)-1-(2,3,4,6,7,8,9,10-Octahydro-pyrimido[1,2-a]azepin-10-yl)-2-phenyl-ethenol

A

1,8-diazabicyclo[5.4.0]undec-7-ene
6674-22-2

1,8-diazabicyclo[5.4.0]undec-7-ene

B

benzeneacetic acid methyl ester
101-41-7

benzeneacetic acid methyl ester

Conditions
ConditionsYield
for 65h; Product distribution; Mechanism; Heating;A n/a
B 6%
C9H16N2*C8H7N2O4(1-)*H(1+)

C9H16N2*C8H7N2O4(1-)*H(1+)

A

1-nitro-1-(4-nitrophenyl)ethane
29342-38-9

1-nitro-1-(4-nitrophenyl)ethane

B

1,8-diazabicyclo[5.4.0]undec-7-ene
6674-22-2

1,8-diazabicyclo[5.4.0]undec-7-ene

Conditions
ConditionsYield
In toluene at 20℃; Kinetics; Equilibrium constant; Thermodynamic data; other temperatures, other solvent, ΔH (excit.), ΔS(excit.);
C9H16N2*C7H4N3O6(1-)*H(1+)

C9H16N2*C7H4N3O6(1-)*H(1+)

A

2,4,6-Trinitrotoluene
118-96-7

2,4,6-Trinitrotoluene

B

1,8-diazabicyclo[5.4.0]undec-7-ene
6674-22-2

1,8-diazabicyclo[5.4.0]undec-7-ene

Conditions
ConditionsYield
In acetonitrile at 25℃; Rate constant; different solvents;
C9H16(2)HN2(1+)*C7H2(2)H2N3O6(1-)

C9H16(2)HN2(1+)*C7H2(2)H2N3O6(1-)

A

2,4,6-trinitro(α,αα-D3)toluene
52886-05-2

2,4,6-trinitro(α,αα-D3)toluene

B

1,8-diazabicyclo[5.4.0]undec-7-ene
6674-22-2

1,8-diazabicyclo[5.4.0]undec-7-ene

Conditions
ConditionsYield
In 1,2-dichloro-ethane at 25℃; Rate constant;
2,3,4,6,7,8,9,10-octahydro-1H-pyrimido[1,2-a]azepin-5-ylium; bromide

2,3,4,6,7,8,9,10-octahydro-1H-pyrimido[1,2-a]azepin-5-ylium; bromide

1,8-diazabicyclo[5.4.0]undec-7-ene
6674-22-2

1,8-diazabicyclo[5.4.0]undec-7-ene

Conditions
ConditionsYield
With amberlite IRA 400 (OH(-)) In methanol
N-(3-azidopropyl)-ε-caprolactam
674303-37-8

N-(3-azidopropyl)-ε-caprolactam

1,8-diazabicyclo[5.4.0]undec-7-ene
6674-22-2

1,8-diazabicyclo[5.4.0]undec-7-ene

Conditions
ConditionsYield
Multi-step reaction with 3 steps
1: oxalyl bromide / 1,2-dichloro-ethane / 7 h / 0 - 25 °C
2: anisole; MeOH / 1,2-dichloro-ethane / 0.5 h / 25 °C
3: amberlite IRA 400 (OH(-)) / methanol
View Scheme
1-bromo-2,3,4,6,7,8,9,10-octahydro-1H-pyrimido[1,2-a]azepin-5-ylium; bromide

1-bromo-2,3,4,6,7,8,9,10-octahydro-1H-pyrimido[1,2-a]azepin-5-ylium; bromide

1,8-diazabicyclo[5.4.0]undec-7-ene
6674-22-2

1,8-diazabicyclo[5.4.0]undec-7-ene

Conditions
ConditionsYield
Multi-step reaction with 2 steps
1: anisole; MeOH / 1,2-dichloro-ethane / 0.5 h / 25 °C
2: amberlite IRA 400 (OH(-)) / methanol
View Scheme
caprolactam
105-60-2

caprolactam

1,8-diazabicyclo[5.4.0]undec-7-ene
6674-22-2

1,8-diazabicyclo[5.4.0]undec-7-ene

Conditions
ConditionsYield
Multi-step reaction with 4 steps
1.1: NaH / tetrahydrofuran / 0.5 h / 20 °C
1.2: tetrabutylammonium iodide / tetrahydrofuran / 20 °C
2.1: oxalyl bromide / 1,2-dichloro-ethane / 7 h / 0 - 25 °C
3.1: anisole; MeOH / 1,2-dichloro-ethane / 0.5 h / 25 °C
4.1: amberlite IRA 400 (OH(-)) / methanol
View Scheme
C25H26N2O2

C25H26N2O2

A

1,8-diazabicyclo[5.4.0]undec-7-ene
6674-22-2

1,8-diazabicyclo[5.4.0]undec-7-ene

B

2-benzylidene-indan-1,3-dione
5381-33-9

2-benzylidene-indan-1,3-dione

Conditions
ConditionsYield
In acetonitrile at 20℃; Equilibrium constant; Further Variations:; concentrations;

A

5-(4-methoxybenzylidene)-2,2-dimethyl-[1,3]dioxane-4,6-dione
15795-54-7

5-(4-methoxybenzylidene)-2,2-dimethyl-[1,3]dioxane-4,6-dione

B

1,8-diazabicyclo[5.4.0]undec-7-ene
6674-22-2

1,8-diazabicyclo[5.4.0]undec-7-ene

Conditions
ConditionsYield
In acetonitrile at 20℃; Equilibrium constant; Further Variations:; concentrations;
C23H30N4O4

C23H30N4O4

A

5-(4-methoxy-benzylidene)-1,3-dimethyl-pyrimidine-2,4,6-trione
57270-82-3

5-(4-methoxy-benzylidene)-1,3-dimethyl-pyrimidine-2,4,6-trione

B

1,8-diazabicyclo[5.4.0]undec-7-ene
6674-22-2

1,8-diazabicyclo[5.4.0]undec-7-ene

Conditions
ConditionsYield
In acetonitrile at 20℃; Equilibrium constant; Further Variations:; concentrations;
C2F6NO4S2(1-)*C8H18NO3(1+)*C9H16N2

C2F6NO4S2(1-)*C8H18NO3(1+)*C9H16N2

A

2-hydroxyethyl(dimethyl)isopropylammonium bis(trifluoromethylsulfonyl)imide
1003581-59-6

2-hydroxyethyl(dimethyl)isopropylammonium bis(trifluoromethylsulfonyl)imide

B

1,8-diazabicyclo[5.4.0]undec-7-ene
6674-22-2

1,8-diazabicyclo[5.4.0]undec-7-ene

Conditions
ConditionsYield
Inert atmosphere; Heating;
C2F6NO4S2(1-)*C7H11N2O3(1+)*C9H16N2

C2F6NO4S2(1-)*C7H11N2O3(1+)*C9H16N2

A

1,8-diazabicyclo[5.4.0]undec-7-ene
6674-22-2

1,8-diazabicyclo[5.4.0]undec-7-ene

B

1-(2-hydroxyethyl)-3-methylimidazolium bis((trifluoromethane)sulfonyl)amide

1-(2-hydroxyethyl)-3-methylimidazolium bis((trifluoromethane)sulfonyl)amide

Conditions
ConditionsYield
at 120℃; for 0.25h; Inert atmosphere;
methanol
67-56-1

methanol

methyl 1,8-diazabicyclo[5.4.0]undec-6-ene-8-carboxylate
1309041-52-8

methyl 1,8-diazabicyclo[5.4.0]undec-6-ene-8-carboxylate

A

1,8-diazabicyclo[5.4.0]undec-7-ene
6674-22-2

1,8-diazabicyclo[5.4.0]undec-7-ene

B

carbonic acid dimethyl ester
616-38-6

carbonic acid dimethyl ester

Conditions
ConditionsYield
In chloroform-d1 at 19.84℃; for 16h; Inert atmosphere;A 100 %Spectr.
B 100 %Spectr.
4-methylbenzophenone-(1,8-diazabicyclo[5.4.0]undec-7-ene)ammonium tetraphenylborate

4-methylbenzophenone-(1,8-diazabicyclo[5.4.0]undec-7-ene)ammonium tetraphenylborate

1,8-diazabicyclo[5.4.0]undec-7-ene
6674-22-2

1,8-diazabicyclo[5.4.0]undec-7-ene

Conditions
ConditionsYield
In dimethyl sulfoxide Quantum yield; Irradiation;
pyrrole
109-97-7

pyrrole

phenyl 1,8-diazabicyclo[5.4.0]undec-6-ene-8-carboxylate
1309041-53-9

phenyl 1,8-diazabicyclo[5.4.0]undec-6-ene-8-carboxylate

A

1-phenoxycarbonyl pyrrole
56880-01-4

1-phenoxycarbonyl pyrrole

B

1,8-diazabicyclo[5.4.0]undec-7-ene
6674-22-2

1,8-diazabicyclo[5.4.0]undec-7-ene

[RuII(2,2':6',2''-terpyridine)(1-(2,2':6',2''-terpyridin-4'-yl)-3-phenylurea(-H))]+

[RuII(2,2':6',2''-terpyridine)(1-(2,2':6',2''-terpyridin-4'-yl)-3-phenylurea(-H))]+

1,8-diazabicyclo[5.4.0]undec-7-ene cation
227008-07-3, 857293-63-1

1,8-diazabicyclo[5.4.0]undec-7-ene cation

A

(4'-phenylurea-2,2':6',2''-terpyridine)(2,2':6',2''-terpyridine)ruthenium(II)
1429345-86-7

(4'-phenylurea-2,2':6',2''-terpyridine)(2,2':6',2''-terpyridine)ruthenium(II)

B

1,8-diazabicyclo[5.4.0]undec-7-ene
6674-22-2

1,8-diazabicyclo[5.4.0]undec-7-ene

Conditions
ConditionsYield
In acetonitrile Equilibrium constant; Solvent;
1,8-diazabicyclo[5.4.0]undec-7-ene
6674-22-2

1,8-diazabicyclo[5.4.0]undec-7-ene

methyl iodide
74-88-4

methyl iodide

8-Methyl-8-aza-1-azonia-bicyclo<5.4.0>undec-1(7)-en-jodid
41315-96-2

8-Methyl-8-aza-1-azonia-bicyclo<5.4.0>undec-1(7)-en-jodid

Conditions
ConditionsYield
In dichloromethane at 20℃; for 12h;100%
In benzene9 g
1,8-diazabicyclo[5.4.0]undec-7-ene
6674-22-2

1,8-diazabicyclo[5.4.0]undec-7-ene

dimethyl acetylenedicarboxylate
762-42-5

dimethyl acetylenedicarboxylate

methyl 2-oxo-4,8-diazatricyclo[6.4.1.04,13]tridec-Δ1,13-en-3-ylideneacetate
173069-03-9

methyl 2-oxo-4,8-diazatricyclo[6.4.1.04,13]tridec-Δ1,13-en-3-ylideneacetate

Conditions
ConditionsYield
In dichloromethane at -45 - 20℃;100%
In chloroform for 0.0333333h; Ambient temperature;96%
1,8-diazabicyclo[5.4.0]undec-7-ene
6674-22-2

1,8-diazabicyclo[5.4.0]undec-7-ene

methyl trifluoromethanesulfonate
333-27-7

methyl trifluoromethanesulfonate

1-methyl-2,3,4,6,7,8,9,10-octahydropyrimido[1,2-a]azepin-1-ium trifluoromethanesulfonate

1-methyl-2,3,4,6,7,8,9,10-octahydropyrimido[1,2-a]azepin-1-ium trifluoromethanesulfonate

Conditions
ConditionsYield
In dichloromethane at 20℃; for 0.666667h;100%
at 20℃; for 2h;95%
benzyl chloride
100-44-7

benzyl chloride

1,8-diazabicyclo[5.4.0]undec-7-ene
6674-22-2

1,8-diazabicyclo[5.4.0]undec-7-ene

1-benzyl-2,3,4,6,7,8,9,10-octahydropyrimido[1,2-a]azepin-1-ium chloride

1-benzyl-2,3,4,6,7,8,9,10-octahydropyrimido[1,2-a]azepin-1-ium chloride

Conditions
ConditionsYield
for 4h; Heating;100%
In ethyl acetate at 20℃; for 48h;
In chloroform at 20℃; for 2h;
In chloroform at 20℃; for 2h;
In ethyl acetate at 20℃; for 48h;
ethyl bromide
74-96-4

ethyl bromide

1,8-diazabicyclo[5.4.0]undec-7-ene
6674-22-2

1,8-diazabicyclo[5.4.0]undec-7-ene

1-ethyl-2,3,4,6,7,8,9,10-octahydropyrimido[1,2-a]azepin-1-ium bromide

1-ethyl-2,3,4,6,7,8,9,10-octahydropyrimido[1,2-a]azepin-1-ium bromide

Conditions
ConditionsYield
for 0.333333h; Heating;100%
In ethyl acetate for 48h;
In acetonitrile for 48h;
n-Butyl chloride
109-69-3

n-Butyl chloride

1,8-diazabicyclo[5.4.0]undec-7-ene
6674-22-2

1,8-diazabicyclo[5.4.0]undec-7-ene

1-butyl-2,3,4,6,7,8,9,10-octahydro-pyrimido[1,2-a]azepin-1-ium chloride

1-butyl-2,3,4,6,7,8,9,10-octahydro-pyrimido[1,2-a]azepin-1-ium chloride

Conditions
ConditionsYield
for 5h; Heating;100%
In acetonitrile at 75℃; for 24h; Inert atmosphere;99%
at 50℃; for 24h; Inert atmosphere;87%
In acetonitrile for 96h; Reflux;56%
cis-dichlorobis(triphenylphosphine)platinum(II)
10199-34-5, 14056-88-3, 15604-36-1

cis-dichlorobis(triphenylphosphine)platinum(II)

{Me2Sn(disulphurdinitrido)}2

{Me2Sn(disulphurdinitrido)}2

1,8-diazabicyclo[5.4.0]undec-7-ene
6674-22-2

1,8-diazabicyclo[5.4.0]undec-7-ene

cis-Pt(disulphurdinitrido)(PPh3)2

cis-Pt(disulphurdinitrido)(PPh3)2

Conditions
ConditionsYield
In not given byproducts: (CH3)2SnCl2; not isolated, identified by NMR spectroscopy;100%
cis-dichlorobis(trimethylphosphine)platinum(II)
19471-47-7, 15630-86-1, 21545-76-6

cis-dichlorobis(trimethylphosphine)platinum(II)

{Me2Sn(disulphurdinitrido)}2

{Me2Sn(disulphurdinitrido)}2

1,8-diazabicyclo[5.4.0]undec-7-ene
6674-22-2

1,8-diazabicyclo[5.4.0]undec-7-ene

Pt(disulphurdinitrido)(PMe3)2
104185-14-0

Pt(disulphurdinitrido)(PMe3)2

Conditions
ConditionsYield
In not given byproducts: (CH3)2SnCl2; not isolated, identified by NMR spectroscopy;100%
cis-[bis(dimethylphenylphosphane)dichlroplatinum(II)]
15393-14-3

cis-[bis(dimethylphenylphosphane)dichlroplatinum(II)]

{Me2Sn(disulphurdinitrido)}2

{Me2Sn(disulphurdinitrido)}2

1,8-diazabicyclo[5.4.0]undec-7-ene
6674-22-2

1,8-diazabicyclo[5.4.0]undec-7-ene

cis-Pt(disulphurdinitido)(PMe2Ph)2
104185-15-1

cis-Pt(disulphurdinitido)(PMe2Ph)2

Conditions
ConditionsYield
In not given byproducts: (CH3)2SnCl2; not isolated, identified by NMR spectroscopy;100%
[platinum(II)dichloride(1,2-bis(diphenylphosphino)ethane)]
83095-83-4, 14647-25-7

[platinum(II)dichloride(1,2-bis(diphenylphosphino)ethane)]

{Me2Sn(disulphurdinitrido)}2

{Me2Sn(disulphurdinitrido)}2

1,8-diazabicyclo[5.4.0]undec-7-ene
6674-22-2

1,8-diazabicyclo[5.4.0]undec-7-ene

(Pt(S2N2)(Ph2PCH2CH2PPh2))
104185-17-3

(Pt(S2N2)(Ph2PCH2CH2PPh2))

Conditions
ConditionsYield
In not given byproducts: (CH3)2SnCl2; not isolated, identified by NMR spectroscopy;100%
cis-dichlorobis(methyldiphenylphosphine)platinum(II)
16633-72-0, 53585-56-1, 60103-85-7

cis-dichlorobis(methyldiphenylphosphine)platinum(II)

{Me2Sn(disulphurdinitrido)}2

{Me2Sn(disulphurdinitrido)}2

1,8-diazabicyclo[5.4.0]undec-7-ene
6674-22-2

1,8-diazabicyclo[5.4.0]undec-7-ene

cis-Pt(disulphurdinitrido)(PMePh2)2

cis-Pt(disulphurdinitrido)(PMePh2)2

Conditions
ConditionsYield
In not given byproducts: (CH3)2SnCl2; not isolated, identified by NMR spectroscopy;100%
Methyl 3-aminothiophene-2-carboxylate
22288-78-4

Methyl 3-aminothiophene-2-carboxylate

triethylchlorogermane
994-28-5

triethylchlorogermane

1,8-diazabicyclo[5.4.0]undec-7-ene
6674-22-2

1,8-diazabicyclo[5.4.0]undec-7-ene

A

(C2H5)3GeNHC6H5O2S
135302-90-8

(C2H5)3GeNHC6H5O2S

B

1,8-diazabicyclo<5.4.0>undec-7-ene hidrochloride
78204-84-9

1,8-diazabicyclo<5.4.0>undec-7-ene hidrochloride

Conditions
ConditionsYield
In benzene inert atmosphere; addn. of DBU soln. to soln. of Et3GeCl and thiophene derivative, then 36 h, 20°C; filtration off of DBU.HCl, evapn. (reduced pressure), distn. (vac.); elem. anal.;A 59%
B 100%
Methyl 3-aminothiophene-2-carboxylate
22288-78-4

Methyl 3-aminothiophene-2-carboxylate

1,8-diazabicyclo[5.4.0]undec-7-ene
6674-22-2

1,8-diazabicyclo[5.4.0]undec-7-ene

dichlorodiphenylgermane
1613-66-7

dichlorodiphenylgermane

A

(C6H5)2ClGeNHC6H5O2S
135389-29-6

(C6H5)2ClGeNHC6H5O2S

B

1,8-diazabicyclo<5.4.0>undec-7-ene hidrochloride
78204-84-9

1,8-diazabicyclo<5.4.0>undec-7-ene hidrochloride

Conditions
ConditionsYield
In benzene inert atmosphere; addn. of DBU soln. to soln. of Ph2GeCl2 and thiophene derivative, then 36 h, 20°C; filtration off of DBU.HCl, evapn. (reduced pressure), distn. (vac.); elem. anal.;A 99%
B 100%
Methyl 3-aminothiophene-2-carboxylate
22288-78-4

Methyl 3-aminothiophene-2-carboxylate

dichlorodimesitylgermane
96481-42-4

dichlorodimesitylgermane

1,8-diazabicyclo[5.4.0]undec-7-ene
6674-22-2

1,8-diazabicyclo[5.4.0]undec-7-ene

A

((CH3)3C6H2)2ClGeNHC6H5O2S
144975-54-2, 135389-30-9

((CH3)3C6H2)2ClGeNHC6H5O2S

B

1,8-diazabicyclo<5.4.0>undec-7-ene hidrochloride
78204-84-9

1,8-diazabicyclo<5.4.0>undec-7-ene hidrochloride

Conditions
ConditionsYield
In benzene inert atmosphere; addn. of DBU soln. to soln. of Mes2GeCl2 and thiophene derivative, then 24 h, 20°C; filtration off of DBU.HCl, evapn. (reduced pressure);A 98%
B 100%
C23H30N2O5

C23H30N2O5

A

5-(4-methoxybenzylidene)-2,2-dimethyl-[1,3]dioxane-4,6-dione
15795-54-7

5-(4-methoxybenzylidene)-2,2-dimethyl-[1,3]dioxane-4,6-dione

B

1,8-diazabicyclo[5.4.0]undec-7-ene
6674-22-2

1,8-diazabicyclo[5.4.0]undec-7-ene

Conditions
ConditionsYield
In acetonitrile at 20℃; Equilibrium constant; Further Variations:; concentrations;
tricarbonylbis(triphenylphosphite)iron
15526-65-5, 20516-74-9

tricarbonylbis(triphenylphosphite)iron

1,8-diazabicyclo[5.4.0]undec-7-ene
6674-22-2

1,8-diazabicyclo[5.4.0]undec-7-ene

C9H17N2(1+)*Fe(CO)2(P(OC6H5)3)((C6H5O)2POC6H4)(1-)=[C9H17N2][Fe(CO)2(P(OC6H5)3)((C6H5O)2POC6H4)]
415704-04-0

C9H17N2(1+)*Fe(CO)2(P(OC6H5)3)((C6H5O)2POC6H4)(1-)=[C9H17N2][Fe(CO)2(P(OC6H5)3)((C6H5O)2POC6H4)]

Conditions
ConditionsYield
In tetrahydrofuran Irradiation (UV/VIS); under N2; stirred soln. Fe(CO)3(P(OPh)3)3 in THF cooled; irradiated for 1-2 h (monitored by IR); C9H16N2 added; stirred for 2 min; not isolated;100%
acetic acid
64-19-7

acetic acid

1,8-diazabicyclo[5.4.0]undec-7-ene
6674-22-2

1,8-diazabicyclo[5.4.0]undec-7-ene

2,3,4,5,7,8,9,10-octahydropyrimido[1,2-a]azepin-1-ium acetate
36443-65-9

2,3,4,5,7,8,9,10-octahydropyrimido[1,2-a]azepin-1-ium acetate

Conditions
ConditionsYield
In dichloromethane at 20℃; for 6h;100%
at 60℃; for 18h; Schlenk technique;95%
at 5 - 20℃;
1,8-diazabicyclo[5.4.0]undec-7-ene
6674-22-2

1,8-diazabicyclo[5.4.0]undec-7-ene

1,8-diazabicyclo<5.4.0>undec-7-ene hidrochloride
78204-84-9

1,8-diazabicyclo<5.4.0>undec-7-ene hidrochloride

Conditions
ConditionsYield
With ammonium chloride In methanol at 20℃; for 6h;100%
With hydrogenchloride In diethyl ether for 1h; Inert atmosphere;90%
With ammonium chloride In methanol
triisopropylsilyl trifluoromethanesulfonate
80522-42-5

triisopropylsilyl trifluoromethanesulfonate

1,8-diazabicyclo[5.4.0]undec-7-ene
6674-22-2

1,8-diazabicyclo[5.4.0]undec-7-ene

CF3O3S(1-)*C18H37N2Si(1+)
1211543-89-3

CF3O3S(1-)*C18H37N2Si(1+)

Conditions
ConditionsYield
With N-ethyl-N,N-diisopropylamine In tetrahydrofuran at 20℃; Inert atmosphere;100%
trifluorormethanesulfonic acid
1493-13-6

trifluorormethanesulfonic acid

1,8-diazabicyclo[5.4.0]undec-7-ene
6674-22-2

1,8-diazabicyclo[5.4.0]undec-7-ene

1H-2,3,4,6,7,8,9,10-octahydropyrimido[1,2-a]azepin-1-ium trifluoromethanesulfonate

1H-2,3,4,6,7,8,9,10-octahydropyrimido[1,2-a]azepin-1-ium trifluoromethanesulfonate

Conditions
ConditionsYield
In chloroform at 20℃;100%
In dichloromethane at 20℃; for 6h;92%
In methanol at 0℃; for 24h; Inert atmosphere;
In methanol at 60℃;
tetra-15-crown-5-phthalocyanine
110682-72-9

tetra-15-crown-5-phthalocyanine

erbium(III) acetate dihydrate

erbium(III) acetate dihydrate

1,8-diazabicyclo[5.4.0]undec-7-ene
6674-22-2

1,8-diazabicyclo[5.4.0]undec-7-ene

[Er(tetra-15-crown-5-phthalocyaninate)(1,8-diazabicyclo[5.4.0]undec-7-ene)(acetato)]

[Er(tetra-15-crown-5-phthalocyaninate)(1,8-diazabicyclo[5.4.0]undec-7-ene)(acetato)]

Conditions
ConditionsYield
In 1,2-dichloro-benzene placing of tetra-15-crown-5-phthalocyanine (1 equiv.) and Er(OAc)3*2H2O (8 equiv.) in flask with reflux condenser, addn. of 1,2-dichlorobenzene and 1,8-diazabicyclo(5.4.0)undec-7-ene (40 equiv.), heating to 180.degr ee.C, reflux for 4.5 h; cooling, pptn. with hexane, filtration, washing with hexane, dissolving in CHCl3, pptn. with hexane, sonication in acetone for 30 min, addn. of hexane to the volume ratio acetone:hexane=1:1, cooling to -18°C, pptn., filtration, drying;100%
1,8-diazabicyclo[5.4.0]undec-7-ene
6674-22-2

1,8-diazabicyclo[5.4.0]undec-7-ene

p-nitrobenzyl imidazole-N-carboxylate

p-nitrobenzyl imidazole-N-carboxylate

(4-nitrophenyl)methyl 3-(2-oxoazepan-1-yl)propylcarbamate
1450985-90-6

(4-nitrophenyl)methyl 3-(2-oxoazepan-1-yl)propylcarbamate

Conditions
ConditionsYield
at 70℃; for 2h;100%
1,8-diazabicyclo[5.4.0]undec-7-ene
6674-22-2

1,8-diazabicyclo[5.4.0]undec-7-ene

2,3,4,6,7,8,9,10-octahydropyrimido[1,2-a]azepin-1-ium (D,L)-2-amino-3-(1H-indol-3-yl)propanoate

2,3,4,6,7,8,9,10-octahydropyrimido[1,2-a]azepin-1-ium (D,L)-2-amino-3-(1H-indol-3-yl)propanoate

Conditions
ConditionsYield
In dichloromethane at 20℃; for 20h;100%
1,8-diazabicyclo[5.4.0]undec-7-ene
6674-22-2

1,8-diazabicyclo[5.4.0]undec-7-ene

1,8-diazabicyclo[5.4.0]undec-7-ene hydrobromide
613257-41-3

1,8-diazabicyclo[5.4.0]undec-7-ene hydrobromide

Conditions
ConditionsYield
With ammonium bromide In methanol at 20℃; for 6h;100%
With hydrogen bromide In water at 5 - 20℃; for 24h;99%
With hydrogen bromide In acetonitrile at 0 - 20℃; for 2h;
With hydrogen bromide for 6h;
S-methyl-S-(2-cyanoethyl) ethylphosphonodithioate

S-methyl-S-(2-cyanoethyl) ethylphosphonodithioate

1,8-diazabicyclo[5.4.0]undec-7-ene
6674-22-2

1,8-diazabicyclo[5.4.0]undec-7-ene

C3H9OPS2*C9H16N2

C3H9OPS2*C9H16N2

Conditions
ConditionsYield
In tetrahydrofuran at 20℃; for 1.5h;100%
ciprofloxacin
85721-33-1

ciprofloxacin

1,8-diazabicyclo[5.4.0]undec-7-ene
6674-22-2

1,8-diazabicyclo[5.4.0]undec-7-ene

C17H18FN3O3*C9H16N2

C17H18FN3O3*C9H16N2

Conditions
ConditionsYield
In methanol; water at 20℃; for 2h;100%
methyl 4-hydroxy-4-methyl-2-pentynoate
25294-59-1

methyl 4-hydroxy-4-methyl-2-pentynoate

1,8-diazabicyclo[5.4.0]undec-7-ene
6674-22-2

1,8-diazabicyclo[5.4.0]undec-7-ene

4-hydroxy-4-methyl-N-[3-(2-oxo-1-azepanyl)propyl]-2-pentynamide

4-hydroxy-4-methyl-N-[3-(2-oxo-1-azepanyl)propyl]-2-pentynamide

Conditions
ConditionsYield
With water In acetonitrile at 20 - 25℃; for 48h; chemoselective reaction;100%
1,8-diazabicyclo[5.4.0]undec-7-ene
6674-22-2

1,8-diazabicyclo[5.4.0]undec-7-ene

1,8-diazabicyclo[5.4.0]-7-undecene hydroiodide
93000-98-7

1,8-diazabicyclo[5.4.0]-7-undecene hydroiodide

Conditions
ConditionsYield
With ammonium iodide In methanol at 20℃; for 6h; Reagent/catalyst; Solvent;100%
With hydrogen iodide In 1,4-dioxane; water at 20℃; for 12h;98%
1,4-butane sultone
1633-83-6

1,4-butane sultone

1,8-diazabicyclo[5.4.0]undec-7-ene
6674-22-2

1,8-diazabicyclo[5.4.0]undec-7-ene

1,8-bis(butanesulphonic acid)-diazobicyclo[5.4.0]undec-7-enium hydrogen sulfate

1,8-bis(butanesulphonic acid)-diazobicyclo[5.4.0]undec-7-enium hydrogen sulfate

Conditions
ConditionsYield
Stage #1: 1,4-butane sultone; 1,8-diazabicyclo[5.4.0]undec-7-ene at 20℃; for 0.0833333h;
Stage #2: With sulfuric acid at 20℃;
100%
1,4-butane sultone
1633-83-6

1,4-butane sultone

acetic acid
64-19-7

acetic acid

1,8-diazabicyclo[5.4.0]undec-7-ene
6674-22-2

1,8-diazabicyclo[5.4.0]undec-7-ene

C17H34N2O6S2(2+)*2C2H3O2(1-)

C17H34N2O6S2(2+)*2C2H3O2(1-)

Conditions
ConditionsYield
Stage #1: 1,4-butane sultone; 1,8-diazabicyclo[5.4.0]undec-7-ene at 20℃; for 0.0833333h;
Stage #2: acetic acid at 20℃;
100%
1,4-butane sultone
1633-83-6

1,4-butane sultone

1,8-diazabicyclo[5.4.0]undec-7-ene
6674-22-2

1,8-diazabicyclo[5.4.0]undec-7-ene

trifluoroacetic acid
76-05-1

trifluoroacetic acid

C17H34N2O6S2(2+)*2C2F3O2(1-)

C17H34N2O6S2(2+)*2C2F3O2(1-)

Conditions
ConditionsYield
Stage #1: 1,4-butane sultone; 1,8-diazabicyclo[5.4.0]undec-7-ene at 20℃; for 0.0833333h;
Stage #2: trifluoroacetic acid at 20℃;
100%
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