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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

Dibutyl squarate

Cas:2892-62-8

Min.Order:1 Kilogram

FOB Price: $3.0

Type:Lab/Research institutions

inquiry

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 3,4-Dibutoxy-3-Cyclobutene-1,2-Dione supplier in China

Cas:2892-62-8

Min.Order:1 Metric Ton

Negotiable

Type:Manufacturers

inquiry

Wuhan Fortuna Chemical Co.,Ltd

Factory supply Dibutyl squarate CAS 2892-62-8 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, Food/Feed addi

Factory supply Dibutyl squarate CAS 2892-62-8 with fast delivery

Cas:2892-62-8

Min.Order:10 Kilogram

FOB Price: $10.0

Type:Trading Company

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

Squaric acid dibutyl ester

Cas:2892-62-8

Min.Order:5 Kiloliter

FOB Price: $1.2 / 5.0

Type:Manufacturers

inquiry

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

Dibutyl squarate CAS:2892-62-8

Cas:2892-62-8

Min.Order:1 Kilogram

FOB Price: $10.0 / 20.0

Type:Trading Company

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

New StandardCAS 2892-62-8 with high quality products

Cas:2892-62-8

Min.Order:10 Gram

FOB Price: $146.0 / 176.0

Type:Trading Company

inquiry

Hebei Sankai Chemical Technology Co., Ltd

1. Product advantages High purity, all above 98.5%, no impurities after dissolution We will test each batch to ensure quality OEM and private brand services designed for free Various cap colors available We can also provide MT1 peptide powd

Dibutyl squarate

Cas:2892-62-8

Min.Order:1 Kilogram

FOB Price: $50.0 / 100.0

Type:Trading Company

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

3-Cyclobutene-1,2-dione,3,4-dibutoxy- 2892-62-8

Cas:2892-62-8

Min.Order:1 Kilogram

Negotiable

Type:Lab/Research institutions

inquiry

Qingdao Beluga Import and Export Co., LTD

Dibutyl squarate CAS:2892-62-8 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 organic intermedi

Dibutyl squarate CAS:2892-62-8

Cas:2892-62-8

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

CAS NO.:2892-62-8

Cas:2892-62-8

Min.Order:0

Negotiable

Type:Lab/Research institutions

inquiry

Shanxi Ankesi Biotechnology Co., Ltd

Our Advantage 1. Rich experience We specialize in this filed for many years, our APIs exported to all over the world and and we established long friendly relations of cooperation with our clients. 2. Great quality,purity and favorable Good qual

Dibutyl squarate Competitive price CAS 2892-62-8

Cas:2892-62-8

Min.Order:1 Kilogram

Negotiable

Type:Trading Company

inquiry

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

3,4-Dibutoxy-3-Cyclobutene-1,2-Dione

Cas:2892-62-8

Min.Order:0

Negotiable

Type:Manufacturers

inquiry

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

3,4-Dibutoxycyclobut-3-ene-1,2-dione

Cas:2892-62-8

Min.Order:1 Gram

FOB Price: $43.0

Type:Trading Company

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

Dibutyl squarate

Cas:2892-62-8

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

Dibutyl squarate

Cas:2892-62-8

Min.Order:0 Metric Ton

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

Dibutyl squarate

Cas:2892-62-8

Min.Order:10 Kilogram

Negotiable

Type:Trading Company

inquiry

Hefei Zhaobo Technology Co., Ltd.

Dibutyl squarate CAS 2892-62-8 Purity: 99% Min Application: Intermediates Appearance: Powder Package: Bag Delivery: 3-5days Our Advantage & Service 1.Top quality: Using high quality material and establishing a strict quality control

Dibutyl squarate CAS 2892-62-8

Cas:2892-62-8

Min.Order:1 Kilogram

FOB Price: $10.0 / 50.0

Type:Trading Company

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

Dibutyl squarate

Cas:2892-62-8

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

Dibutyl squarate

Cas:2892-62-8

Min.Order:4 Kilogram

Negotiable

Type:Lab/Research institutions

inquiry

Ality Chemical Corporation

The 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

Factory Supply Squaric acid dibutylester

Cas:2892-62-8

Min.Order:0 Metric Ton

Negotiable

Type:Other

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

High quality 3,4-Dibutoxy-3-Cyclobutene-1,2-Dione

Cas:2892-62-8

Min.Order:10 Gram

FOB Price: $100.0

Type:Lab/Research institutions

inquiry

Henan Tianfu Chemical Co., Ltd.

Our company was built in 2009 with an ISO certificate.In the past 5 years, we have grown up as a famous fine chemicals supplier in China and we had established stable business relationships with Samsung,LG,Merck,Thermo Fisher Scientific and so on.O

2892-62-8 Dibutyl squarate

Cas:2892-62-8

Min.Order:1 Metric Ton

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

Dibutyl squarate

Cas:2892-62-8

Min.Order:1 Kilogram

FOB Price: $18.0 / 20.0

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

Dibutyl squarate

Cas:2892-62-8

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

Dibutyl squarate

Cas:2892-62-8

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

Squaric acid dibutylester

Cas:2892-62-8

Min.Order:0

Negotiable

Type:Manufacturers

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

Dibutyl squarate

Cas:2892-62-8

Min.Order:1 Metric Ton

FOB Price: $1.0

Type:Trading Company

inquiry

Suzhou Sibian Chemical Technology Co., Ltd

The process is mature and can be mass produced to 100 kg, with good quality and purity up to 99%.The product has a large stock and can be supplied stably. Package:bottle Application:Drug R&D Transportation:Sealed drying(25℃) Port:ShangHai

Dibutyl squarate

Cas:2892-62-8

Min.Order:1 Gram

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

Squaric acid dibutylester

Cas:2892-62-8

Min.Order:0

Negotiable

Type:Other

inquiry

GIHI CHEMICALS CO.,LIMITED

high purity,in stock Package:25kg/drum,or as per customers'demand Application:API,or Intermediates,fine chemicals Transportation:air,sea,courier

Dibutyl squarate

Cas:2892-62-8

Min.Order:0

Negotiable

Type:Lab/Research institutions

inquiry

Synthetic route

Tributyl orthoformate
588-43-2

Tributyl orthoformate

squaric acid
2892-51-5

squaric acid

butan-1-ol
71-36-3

butan-1-ol

3,4-dibutoxy-3-cyclobutene-1,2-dione
2892-62-8

3,4-dibutoxy-3-cyclobutene-1,2-dione

Conditions
ConditionsYield
for 23.5h; Heating;97%
squaric acid
2892-51-5

squaric acid

butan-1-ol
71-36-3

butan-1-ol

3,4-dibutoxy-3-cyclobutene-1,2-dione
2892-62-8

3,4-dibutoxy-3-cyclobutene-1,2-dione

Conditions
ConditionsYield
In benzene Heating; Dean-Stark trap;95%
In benzene for 3h; Heating;86%
for 3h; Reflux;74%
2,3,4,4-tetrachloro-cyclobut-2-en-1-one
3200-96-2

2,3,4,4-tetrachloro-cyclobut-2-en-1-one

butan-1-ol
71-36-3

butan-1-ol

3,4-dibutoxy-3-cyclobutene-1,2-dione
2892-62-8

3,4-dibutoxy-3-cyclobutene-1,2-dione

Conditions
ConditionsYield
Heating;68%
BARBITURIC ACID
67-52-7

BARBITURIC ACID

3,4-dibutoxy-3-cyclobutene-1,2-dione
2892-62-8

3,4-dibutoxy-3-cyclobutene-1,2-dione

triethylamine
121-44-8

triethylamine

triethylammonium 5-(2-hydroxy-3,4-dioxocyclobut-1-en-1-yl)-2,6-dioxo-1,2,3,6-tetrahydropyrimidin-4-olate

triethylammonium 5-(2-hydroxy-3,4-dioxocyclobut-1-en-1-yl)-2,6-dioxo-1,2,3,6-tetrahydropyrimidin-4-olate

Conditions
ConditionsYield
In ethanol at 20℃; for 0.333333h;100%
3,4-dibutoxy-3-cyclobutene-1,2-dione
2892-62-8

3,4-dibutoxy-3-cyclobutene-1,2-dione

6-ethoxy-N-methyl-2-quinaldinium iodide
63151-41-7

6-ethoxy-N-methyl-2-quinaldinium iodide

C21H23NO4
797039-87-3

C21H23NO4

Conditions
ConditionsYield
With triethylamine In butan-1-ol at 25℃; for 12h;98%
3,4-dibutoxy-3-cyclobutene-1,2-dione
2892-62-8

3,4-dibutoxy-3-cyclobutene-1,2-dione

benzylamine
100-46-9

benzylamine

3-(benzylamino)-4-butoxycyclobut-3-ene-1,2-dione

3-(benzylamino)-4-butoxycyclobut-3-ene-1,2-dione

Conditions
ConditionsYield
In dichloromethane at 0 - 20℃;98%
In dichloromethane at 20℃;
N-(7-chloroquinolin-4-yl)ethylenediamine
5407-57-8

N-(7-chloroquinolin-4-yl)ethylenediamine

3,4-dibutoxy-3-cyclobutene-1,2-dione
2892-62-8

3,4-dibutoxy-3-cyclobutene-1,2-dione

C26H22Cl2N6O2
1487428-79-4

C26H22Cl2N6O2

Conditions
ConditionsYield
In methanol for 12h; Reflux;97%
3,4-dibutoxy-3-cyclobutene-1,2-dione
2892-62-8

3,4-dibutoxy-3-cyclobutene-1,2-dione

(2'-aminoethylamido)carbonylpentyl α-D-mannopyranosyl(1→2)-4,6-dideoxy-4-formamido-α-D-mannopyranosyl(1→2)-4,6-dideoxy-4-formamido-α-D-mannopyranosyl(1→2)-4,6-dideoxy-4-formamido-α-D-mannopyranosyl(1→2)-4,6-dideoxy-4-formamido-α-D-mannopyranosyl(1→2)-4,6-dideoxy-4-formamido-α-D-mannopyranoside

(2'-aminoethylamido)carbonylpentyl α-D-mannopyranosyl(1→2)-4,6-dideoxy-4-formamido-α-D-mannopyranosyl(1→2)-4,6-dideoxy-4-formamido-α-D-mannopyranosyl(1→2)-4,6-dideoxy-4-formamido-α-D-mannopyranosyl(1→2)-4,6-dideoxy-4-formamido-α-D-mannopyranosyl(1→2)-4,6-dideoxy-4-formamido-α-D-mannopyranoside

1-[(2'-aminoethylamido)carbonylpentyl α-D-mannopyranosyl(1→2)-4,6-dideoxy-4-formamido-α-D-mannopyranosyl(1→2)-4,6-dideoxy-4-formamido-α-D-mannopyranosyl(1→2)-4,6-dideoxy-4-formamido-α-D-mannopyranosyl(1→2)-4,6-dideoxy-4-formamido-α-D-mannopyranosyl(1→2)-4,6-dideoxy-4-formamido-α-D-mannopyranoside]-2-butoxycyclobutene-3,4-dione

1-[(2'-aminoethylamido)carbonylpentyl α-D-mannopyranosyl(1→2)-4,6-dideoxy-4-formamido-α-D-mannopyranosyl(1→2)-4,6-dideoxy-4-formamido-α-D-mannopyranosyl(1→2)-4,6-dideoxy-4-formamido-α-D-mannopyranosyl(1→2)-4,6-dideoxy-4-formamido-α-D-mannopyranosyl(1→2)-4,6-dideoxy-4-formamido-α-D-mannopyranoside]-2-butoxycyclobutene-3,4-dione

Conditions
ConditionsYield
With sodium hydrogencarbonate In ethanol; water at 21℃; pH=8;96%
3,4-dibutoxy-3-cyclobutene-1,2-dione
2892-62-8

3,4-dibutoxy-3-cyclobutene-1,2-dione

(R)-1,2,2-trimethylpropylamine
3850-30-4, 22526-47-2, 59367-75-8, 66228-31-7

(R)-1,2,2-trimethylpropylamine

(R)-3-butoxy-4-(1,2,2-trimethyl-propylamino)-cyclobut-3-ene-1,2-dione

(R)-3-butoxy-4-(1,2,2-trimethyl-propylamino)-cyclobut-3-ene-1,2-dione

Conditions
ConditionsYield
In tetrahydrofuran; ethanol at 20℃; for 65h; Condensation;95%
3,4-dibutoxy-3-cyclobutene-1,2-dione
2892-62-8

3,4-dibutoxy-3-cyclobutene-1,2-dione

6-hydroxy-4-methyl-N-methyl-quinaldinium iodide
1346893-02-4

6-hydroxy-4-methyl-N-methyl-quinaldinium iodide

C20H21NO4
1346893-11-5

C20H21NO4

Conditions
ConditionsYield
With triethylamine In butan-1-ol at 25℃; for 12h;95%
3,4-dibutoxy-3-cyclobutene-1,2-dione
2892-62-8

3,4-dibutoxy-3-cyclobutene-1,2-dione

1-(2-hydroxyethyl)-2-methylquinoline-1-ium iodide salt
64170-00-9

1-(2-hydroxyethyl)-2-methylquinoline-1-ium iodide salt

C20H21NO4
1346893-09-1

C20H21NO4

Conditions
ConditionsYield
With triethylamine In butan-1-ol at 25℃; for 12h;95%
3,4-dibutoxy-3-cyclobutene-1,2-dione
2892-62-8

3,4-dibutoxy-3-cyclobutene-1,2-dione

6-hydroxy-N-methyl-2-quinaldinium iodide

6-hydroxy-N-methyl-2-quinaldinium iodide

C19H19NO4
797039-86-2

C19H19NO4

Conditions
ConditionsYield
With triethylamine In butan-1-ol at 25℃; for 12h;95%
3,4-dibutoxy-3-cyclobutene-1,2-dione
2892-62-8

3,4-dibutoxy-3-cyclobutene-1,2-dione

malononitrile
109-77-3

malononitrile

sodium 1,2-bis(dicyanomethylene)cyclobutane-3,4-dione

sodium 1,2-bis(dicyanomethylene)cyclobutane-3,4-dione

Conditions
ConditionsYield
With sodium; butan-1-ol at 20℃; for 0.166667h;94%
3,4-dibutoxy-3-cyclobutene-1,2-dione
2892-62-8

3,4-dibutoxy-3-cyclobutene-1,2-dione

6-(dimethylamino)-1,2-dimethylquinolin-1-ium iodide

6-(dimethylamino)-1,2-dimethylquinolin-1-ium iodide

C21H24N2O3
1346893-06-8

C21H24N2O3

Conditions
ConditionsYield
With triethylamine In butan-1-ol at 25℃; for 12h;94%
3,4-dibutoxy-3-cyclobutene-1,2-dione
2892-62-8

3,4-dibutoxy-3-cyclobutene-1,2-dione

(2'-aminoethylamido)carbonylpentyl α-D-mannopyranosyl(1→3)-4,6-dideoxy-4-formamido-α-D-mannopyranoside

(2'-aminoethylamido)carbonylpentyl α-D-mannopyranosyl(1→3)-4,6-dideoxy-4-formamido-α-D-mannopyranoside

1-[(2'-aminoethylamido)carbonylpentyl α-D-mannopyranosyl(1→3)-4,6-dideoxy-4-formamido-α-D-mannopyranoside-2-butoxycyclobutene-3,4-dione]

1-[(2'-aminoethylamido)carbonylpentyl α-D-mannopyranosyl(1→3)-4,6-dideoxy-4-formamido-α-D-mannopyranoside-2-butoxycyclobutene-3,4-dione]

Conditions
ConditionsYield
With sodium hydrogencarbonate In ethanol; water at 21℃; pH=8;94%
3,4-dibutoxy-3-cyclobutene-1,2-dione
2892-62-8

3,4-dibutoxy-3-cyclobutene-1,2-dione

(2'-aminoethylamido)carbonylpentyl 4,6-dideoxy-4-formamido-α-D-mannopyranosyl-(1→3)-4,6-dideoxy-4-formamido-α-D-mannopyranoside

(2'-aminoethylamido)carbonylpentyl 4,6-dideoxy-4-formamido-α-D-mannopyranosyl-(1→3)-4,6-dideoxy-4-formamido-α-D-mannopyranoside

1-[(2'-aminoethylamido)carbonylpentyl 4,6-dideoxy-4-formamido-α-D-mannopyranosyl-(1→3)-4,6-dideoxy-4-formamido-α-D-mannopyranoside]-2-butoxycyclobutene-3,4-dione

1-[(2'-aminoethylamido)carbonylpentyl 4,6-dideoxy-4-formamido-α-D-mannopyranosyl-(1→3)-4,6-dideoxy-4-formamido-α-D-mannopyranoside]-2-butoxycyclobutene-3,4-dione

Conditions
ConditionsYield
With sodium hydrogencarbonate In ethanol; water at 21℃; for 0.5h; pH=8; Heating;92%
2-(ethylthio)ethylamine hydrochloride
36489-03-9

2-(ethylthio)ethylamine hydrochloride

3,4-dibutoxy-3-cyclobutene-1,2-dione
2892-62-8

3,4-dibutoxy-3-cyclobutene-1,2-dione

3,4-bis{[2-(ethylsulfanyl)ethyl]amino}cyclobut-3-ene-1,2-dione

3,4-bis{[2-(ethylsulfanyl)ethyl]amino}cyclobut-3-ene-1,2-dione

Conditions
ConditionsYield
In diethyl ether at 20℃; for 1h;92%
3,4-dibutoxy-3-cyclobutene-1,2-dione
2892-62-8

3,4-dibutoxy-3-cyclobutene-1,2-dione

3-bromopropylamine hydrochloride
5003-71-4

3-bromopropylamine hydrochloride

1-butoxy-2-(3-bromopropylamino)-1-cyclobutene-3,4-dione
120356-93-6

1-butoxy-2-(3-bromopropylamino)-1-cyclobutene-3,4-dione

Conditions
ConditionsYield
With sodium hydroxide In methanol; water91.8%
With sodium hydroxide In methanol; water84%
With sodium hydroxide In methanol; toluene
bromopropylamine base

bromopropylamine base

3,4-dibutoxy-3-cyclobutene-1,2-dione
2892-62-8

3,4-dibutoxy-3-cyclobutene-1,2-dione

3-bromopropylamine hydrochloride
5003-71-4

3-bromopropylamine hydrochloride

1-butoxy-2-(3-bromopropylamino)-1-cyclobutene-3,4-dione
120356-93-6

1-butoxy-2-(3-bromopropylamino)-1-cyclobutene-3,4-dione

Conditions
ConditionsYield
With sodium hydroxide In methanol; water91.8%
With sodium hydroxide In methanol; water84%
3,4-dibutoxy-3-cyclobutene-1,2-dione
2892-62-8

3,4-dibutoxy-3-cyclobutene-1,2-dione

phenyllithium
591-51-5

phenyllithium

2,3-dibutoxy-1,4-diphenyl-1,4-butanedione

2,3-dibutoxy-1,4-diphenyl-1,4-butanedione

Conditions
ConditionsYield
In diethyl ether for 0.25h; Ambient temperature;91%
3,4-dibutoxy-3-cyclobutene-1,2-dione
2892-62-8

3,4-dibutoxy-3-cyclobutene-1,2-dione

N-isopropylhydroxylamine hydrochloride
50632-53-6

N-isopropylhydroxylamine hydrochloride

3-butoxy-4-(hydroxy-isopropyl-amino)-cyclobut-3-ene-1,2-dione
1078060-51-1

3-butoxy-4-(hydroxy-isopropyl-amino)-cyclobut-3-ene-1,2-dione

Conditions
ConditionsYield
With potassium hydroxide In methanol at 20℃; for 5h;91%
3,4-dibutoxy-3-cyclobutene-1,2-dione
2892-62-8

3,4-dibutoxy-3-cyclobutene-1,2-dione

(2'-aminoethylamido)carbonylpentyl α-D-mannopyranosyl(1→2)-4,6-dideoxy-4-formamido-α-D-mannopyranosyl(1→3)-4,6-dideoxy-4-formamido-α-D-mannopyranosyl(1→2)-4,6-dideoxy-4-formamido-α-D-mannopyranoside

(2'-aminoethylamido)carbonylpentyl α-D-mannopyranosyl(1→2)-4,6-dideoxy-4-formamido-α-D-mannopyranosyl(1→3)-4,6-dideoxy-4-formamido-α-D-mannopyranosyl(1→2)-4,6-dideoxy-4-formamido-α-D-mannopyranoside

1-[(2'-aminoethylamido)carbonylpentyl α-D-mannopyranosyl(1→2)-4,6-dideoxy-4-formamido-α-D-mannopyranosyl(1→3)-4,6-dideoxy-4-formamido-α-D-mannopyranosyl(1→2)-4,6-dideoxy-4-formamido-α-D-mannopyranoside 2-butoxycyclobutene-3,4-dione]

1-[(2'-aminoethylamido)carbonylpentyl α-D-mannopyranosyl(1→2)-4,6-dideoxy-4-formamido-α-D-mannopyranosyl(1→3)-4,6-dideoxy-4-formamido-α-D-mannopyranosyl(1→2)-4,6-dideoxy-4-formamido-α-D-mannopyranoside 2-butoxycyclobutene-3,4-dione]

Conditions
ConditionsYield
With sodium hydrogencarbonate In ethanol; water at 21℃; pH=8;91%
3-methylthio-1-propanamine
4104-45-4

3-methylthio-1-propanamine

3,4-dibutoxy-3-cyclobutene-1,2-dione
2892-62-8

3,4-dibutoxy-3-cyclobutene-1,2-dione

3,4-bis{[3-(methylsulfanyl)propyl]amino}cyclobut-3-ene-1,2-dione

3,4-bis{[3-(methylsulfanyl)propyl]amino}cyclobut-3-ene-1,2-dione

Conditions
ConditionsYield
In diethyl ether at 20℃; for 1h;91%
3,4-dibutoxy-3-cyclobutene-1,2-dione
2892-62-8

3,4-dibutoxy-3-cyclobutene-1,2-dione

3-diethylaminophenol
91-68-9

3-diethylaminophenol

(E)-2-(4-(diethylamino)-2-hydroxyphenyl)-4-(4-(diethyliminio)-2-hydroxycyclohexa-2,5-dien-1-ylidene)-3-oxocyclo but-1-en-1-olate
68842-66-0

(E)-2-(4-(diethylamino)-2-hydroxyphenyl)-4-(4-(diethyliminio)-2-hydroxycyclohexa-2,5-dien-1-ylidene)-3-oxocyclo but-1-en-1-olate

Conditions
ConditionsYield
With sulfuric acid; water In butan-1-ol at 125 - 130℃;90%
3,4-dibutoxy-3-cyclobutene-1,2-dione
2892-62-8

3,4-dibutoxy-3-cyclobutene-1,2-dione

primaquine diphosphate
63-45-6

primaquine diphosphate

C34H40N6O4
1487428-85-2

C34H40N6O4

Conditions
ConditionsYield
Stage #1: primaquine diphosphate With triethylamine In methanol at 20℃; for 0.5h; Inert atmosphere;
Stage #2: 3,4-dibutoxy-3-cyclobutene-1,2-dione In methanol for 48h; Inert atmosphere; Reflux;
89%
3,4-dibutoxy-3-cyclobutene-1,2-dione
2892-62-8

3,4-dibutoxy-3-cyclobutene-1,2-dione

(2-aminoethylamido)carbonylpentyl β-D-glucopyranosyl-(1→3)-β-D-glucopyranosyl-β-D-glucopyranosyl-(1→3)-β-D-glucopyranosyl-β-D-glucopyranosyl-(1→3)-β-D-glucopyranoside

(2-aminoethylamido)carbonylpentyl β-D-glucopyranosyl-(1→3)-β-D-glucopyranosyl-β-D-glucopyranosyl-(1→3)-β-D-glucopyranosyl-β-D-glucopyranosyl-(1→3)-β-D-glucopyranoside

1-[(2-aminoethylamido)carbonylpentyl β-D-glucopyranosyl-(1→3)-β-D-glucopyranosyl-(1→3)-β-D-glucopyranosyl-(1→3)-β-D-glucopyranosyl-β-D-glucopyranosyl-(1→3)-β-D-glucopyranoside]-2-butoxycyclobutene-3,4-dione

1-[(2-aminoethylamido)carbonylpentyl β-D-glucopyranosyl-(1→3)-β-D-glucopyranosyl-(1→3)-β-D-glucopyranosyl-(1→3)-β-D-glucopyranosyl-β-D-glucopyranosyl-(1→3)-β-D-glucopyranoside]-2-butoxycyclobutene-3,4-dione

Conditions
ConditionsYield
With sodium hydrogencarbonate In ethanol; water for 0.5h; pH=8;89%
3,4-dibutoxy-3-cyclobutene-1,2-dione
2892-62-8

3,4-dibutoxy-3-cyclobutene-1,2-dione

(2'-aminoethylamido)carbonylpentyl 4,6-dideoxy-4-formamido-α-D-mannopyranosyl-(1→2)-4,6-dideoxy-4-formamido-α-D-mannopyranosyl-(1→2)-4,6-dideoxy-4-formamido-α-D-mannopyranosyl-(1→2)-4,6-dideoxy-4-formamido-α-D-mannopyranosyl-(1→2)-4,6-dideoxy-4-formamido-α-D-mannopyranosyl-(1→2)-4,6-dideoxy-4-formamido-α-D-mannopyranoside

(2'-aminoethylamido)carbonylpentyl 4,6-dideoxy-4-formamido-α-D-mannopyranosyl-(1→2)-4,6-dideoxy-4-formamido-α-D-mannopyranosyl-(1→2)-4,6-dideoxy-4-formamido-α-D-mannopyranosyl-(1→2)-4,6-dideoxy-4-formamido-α-D-mannopyranosyl-(1→2)-4,6-dideoxy-4-formamido-α-D-mannopyranosyl-(1→2)-4,6-dideoxy-4-formamido-α-D-mannopyranoside

1-[(2'-aminoethylamido)carbonylpentyl 4,6-dideoxy-4-formamido-α-D-mannopyranosyl-(1→2)-4,6-dideoxy-4-formamido-α-D-mannopyranosyl-(1→2)-4,6-dideoxy-4-formamido-α-D-mannopyranosyl-(1→2)-4,6-dideoxy-4-formamido-α-D-mannopyranosyl-(1→2)-4,6-dideoxy-4-formamido-α-D-mannopyranosyl-(1→2)-4,6-dideoxy-4-formamido-α-D-mannopyranoside]-2-butoxycyclobutene-3,4-dione

1-[(2'-aminoethylamido)carbonylpentyl 4,6-dideoxy-4-formamido-α-D-mannopyranosyl-(1→2)-4,6-dideoxy-4-formamido-α-D-mannopyranosyl-(1→2)-4,6-dideoxy-4-formamido-α-D-mannopyranosyl-(1→2)-4,6-dideoxy-4-formamido-α-D-mannopyranosyl-(1→2)-4,6-dideoxy-4-formamido-α-D-mannopyranosyl-(1→2)-4,6-dideoxy-4-formamido-α-D-mannopyranoside]-2-butoxycyclobutene-3,4-dione

Conditions
ConditionsYield
With sodium hydrogencarbonate In ethanol; water at 21℃; for 0.5h; pH=8; Heating;88%
3,4-dibutoxy-3-cyclobutene-1,2-dione
2892-62-8

3,4-dibutoxy-3-cyclobutene-1,2-dione

tert-butylamine
75-64-9

tert-butylamine

3-butoxy-4-(tert-butylamino)-cyclobut-3-ene-1,2-dione
202520-56-7

3-butoxy-4-(tert-butylamino)-cyclobut-3-ene-1,2-dione

Conditions
ConditionsYield
In tetrahydrofuran at 20℃; for 71h; Condensation;87%
In dichloromethane at 20℃; for 20h;74%
In dichloromethane at 20℃;
3,4-dibutoxy-3-cyclobutene-1,2-dione
2892-62-8

3,4-dibutoxy-3-cyclobutene-1,2-dione

(1R,2S)-2-Amino-1,2-diphenylethanol
23190-16-1

(1R,2S)-2-Amino-1,2-diphenylethanol

3-butoxy-4-[(1'S,2'R)-(2'-hydroxy-1',2'-diphenylethyl)amino]-3-cyclobutene-1,2-dione

3-butoxy-4-[(1'S,2'R)-(2'-hydroxy-1',2'-diphenylethyl)amino]-3-cyclobutene-1,2-dione

Conditions
ConditionsYield
With triethylamine In ethanol at 20℃; for 24h;87%
3,4-dibutoxy-3-cyclobutene-1,2-dione
2892-62-8

3,4-dibutoxy-3-cyclobutene-1,2-dione

C39H56N2O6

C39H56N2O6

C28H50N2O9

C28H50N2O9

Conditions
ConditionsYield
Stage #1: C39H56N2O6 With trifluoroacetic acid at 20℃; for 0.333333h;
Stage #2: 3,4-dibutoxy-3-cyclobutene-1,2-dione With N-ethyl-N,N-diisopropylamine In chloroform Reflux;
86.8%
2-methyl-2-butylamine
594-39-8

2-methyl-2-butylamine

3,4-dibutoxy-3-cyclobutene-1,2-dione
2892-62-8

3,4-dibutoxy-3-cyclobutene-1,2-dione

3-butoxy-4-(1,1-dimethyl-propylamino)-cyclobut-3-ene-1,2-dione
201012-44-4

3-butoxy-4-(1,1-dimethyl-propylamino)-cyclobut-3-ene-1,2-dione

Conditions
ConditionsYield
In tetrahydrofuran at 20℃; for 19.5h; Condensation;86%
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