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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

Pivaloylacetonitrile Manufacturer/High quality/Best price/In stock

Cas:59997-51-2

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 I-Cyanopinacolone

Cas:59997-51-2

Min.Order:1 Kilogram

Negotiable

Type:Manufacturers

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Henan Allgreen Chemical Co.,Ltd

high quality Appearance:White or off white powder Storage:Sealed, dry, microtherm , avoid light and smell Package:According to the demand of customer Application:Pharmaceutical intermediates Transportation:by air or by sea Port:shanghai

Pivaloylacetonitrile

Cas:59997-51-2

Min.Order:1 Kilogram

Negotiable

Type:Manufacturers

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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 4,4-dimethyl-3-oxovaleronitrile

Cas:59997-51-2

Min.Order:1

Negotiable

Type:Other

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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

Pivaloylacetonitrile

Cas:59997-51-2

Min.Order:5 Kiloliter

FOB Price: $1.2 / 5.0

Type:Manufacturers

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Leader Biochemical Group

About Product Technical Details

China Largest factory Manufacturer Supply High Quality Pivaloylacetonitrile CAS 59997-51-2

Cas:59997-51-2

Min.Order:1 Kilogram

FOB Price: $1.0 / 3.0

Type:Lab/Research institutions

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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.

TIANFU CHEM 59997-51-2 4,4-dimethyl-3-oxo-pentanenitril

Cas:59997-51-2

Min.Order:1 Kilogram

Negotiable

Type:Lab/Research institutions

inquiry

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

Pivaloylacetonitrile CAS:59997-51-2

Cas:59997-51-2

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

Pharmaceutical Grade CAS 59997-51-2 with competitive price

Cas:59997-51-2

Min.Order:1 Kilogram

FOB Price: $139.0 / 210.0

Type:Trading Company

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Henan Sinotech Import&Export Corporation

Chemical Name Pivaloylacetonitrile Synonyms 4,4-dimethyl-3-oxopentanenitrile; CAS No. 59997-51-2 Molecular Formula C7H11NO Molecular Weight 125.16800 PSA 40.86000

Pivaloylacetonitrile

Cas:59997-51-2

Min.Order:1 Kilogram

FOB Price: $1.0

Type:Other

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Henan Wentao Chemical Product Co., Ltd.

We are leading fine chemicals supplier in China with ISO certificate, Our main business covers the fields below: 1.Noble Metal Catalysts (Pt.Pd...) 2.Organic Phosphine Ligands (Tert-butyl-phosphine.Cyclohexyl-phosphine...) 3.OLED

PivaloylacetonitrileCAS NO.:59997-51-2

Cas:59997-51-2

Min.Order:1 Gram

FOB Price: $1.0 / 2.0

Type:Lab/Research institutions

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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

Pentanenitrile,4,4-dimethyl-3-oxo- 59997-51-2

Cas:59997-51-2

Min.Order:1 Kilogram

Negotiable

Type:Lab/Research institutions

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

Pivaloylacetonitrile with CAS: 59997-51-2

Cas:59997-51-2

Min.Order:1 Kilogram

FOB Price: $20.0 / 35.0

Type:Trading Company

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

Pivaloylacetonitrile

Cas:59997-51-2

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

Pivaloylacetonitrile

Cas:59997-51-2

Min.Order:10 Kilogram

Negotiable

Type:Trading Company

inquiry

Afine Chemicals Limited

Company Introduction 1. Established in 2005, with two independent business divisions: Fine chemicals division; Pharmaceutical division. 2. Main product: Optical brightener Textile auxiliary Dye stuff Pigments

PIVALOYLACETONITRILE

Cas:59997-51-2

Min.Order:1 Gram

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

Pivaloylacetonitrile

Cas:59997-51-2

Min.Order:0

Negotiable

Type:Lab/Research institutions

inquiry

Shanghai Massive Chemical Technology Co., Ltd.

Massive Chemical is certified with ISO9001 and ISO14001 manufacturer for this product. We will offer all documents as requirement for the materials which includes, Certificate of Analysis, Material Safety Data Sheet, and Method of Analysis and als

Pivaloylacetonitrile

Cas:59997-51-2

Min.Order:1 Gram

FOB Price: $1.0

Type:Lab/Research institutions

inquiry

Zibo Hangyu Biotechnology Development Co., Ltd

Zibo Hangyu Biotechnology Development Co., Ltd is a leading manufacturer and supplier of chemicals in China. We develop produce and distribute high quality pharmaceuticals, intermediates, special chemicals and OLED intermediates and other fine chemi

High quality Pivaloylacetonitrile

Cas:59997-51-2

Min.Order:10 Gram

FOB Price: $100.0

Type:Lab/Research institutions

inquiry

Zibo Dorne chemical technology co. LTD

Product Details Grade: pharmaceutical grade Purity:99%+ ProductionCapacity: 1000 Kilogram/Month Scope of use: For scientific research only(The product must be used legally) Our Advantage 1. Best quality with competitive price. 2. Quick shipping,

Pivaloylacetonitrile

Cas:59997-51-2

Min.Order:1 Kilogram

Negotiable

Type:Lab/Research institutions

inquiry

Xiamen Jenny Chemical Technology Co., Ltd.

GMP standard, high purity, competitive price, in stock 1. Quick Response: within 6 hours after receiving your email. 2. Quality Guarantee: All products are strictly tested by our QC, confirmed by QA, and approved by a third-party lab in China, USA,

Pivaloylacetonitrile

Cas:59997-51-2

Min.Order:1 Milligram

Negotiable

Type:Trading Company

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

Pentanenitrile,4,4-dimethyl-3-oxo-

Cas:59997-51-2

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

Pentanenitrile,4,4-dimethyl-3-oxo-

Cas:59997-51-2

Min.Order:1 Gram

Negotiable

Type:Lab/Research institutions

inquiry

Hangzhou Huarong Pharm Co., Ltd.

Hangzhou Huarong Pharm Co., Ltd.established since 2006 , has been actively developing specialty products for Finished Dosages, APIs, Intermediates, and Fine chemicals markets in North America, Europe, Korea, Japan, Mid-East and all over the World. Hu

Pivaloylacetonitrile

Cas:59997-51-2

Min.Order:0

Negotiable

Type:Trading Company

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

Pivaloylacetonitrile

Cas:59997-51-2

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

Pivaloylacetonitrile

Cas:59997-51-2

Min.Order:0

Negotiable

Type:Manufacturers

inquiry

Hebei Lead Bio-Chemicals Co., Ltd.

Hebei Lead Bio-Chemicals Co., Ltd. established in 2006, devolved in resurching, manufacturing and supplying of pharmaceuticals,food ingredients, cosmetics,health care products, Chinese herb, plant extracts and some fine chemicals,is one of leading gr

Pivaloylacetonitrile factory

Cas:59997-51-2

Min.Order:0

Negotiable

Type:Manufacturers

inquiry

HANGZHOU YUNUO CHEMICAL CO.,LTD

Superior quality, moderate price & quick delivery. Appearance:white to cream crystals or crystalline powder Storage:Stored in cool, dry and ventilation place; Away from fire and heat Package:as per your request Application:Used as Pharmaceutica

Pivaloylacetonitrile

Cas:59997-51-2

Min.Order:10 Gram

Negotiable

Type:Trading Company

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

Pivaloylacetonitrile

Cas:59997-51-2

Min.Order:1 Metric Ton

FOB Price: $1.0

Type:Trading Company

inquiry

Senova Technology Company Limited

high purity Application:Pharmaceutical Intermediate

Pivaloyacetonitrile

Cas:59997-51-2

Min.Order:0

Negotiable

Type:Other

inquiry

Synthetic route

sodium cyanide
773837-37-9

sodium cyanide

1-chloro-3,3-dimethyl-butan-2-one
13547-70-1

1-chloro-3,3-dimethyl-butan-2-one

trimethylacetylacetonitrile
59997-51-2

trimethylacetylacetonitrile

Conditions
ConditionsYield
With sodium carbonate; sodium iodide In methanol at 60℃; for 3h;95%
1-chloro-3,3-dimethyl-butan-2-one
13547-70-1

1-chloro-3,3-dimethyl-butan-2-one

trimethylacetylacetonitrile
59997-51-2

trimethylacetylacetonitrile

Conditions
ConditionsYield
In methanol; sodium hydroxide90%
3,3-dimethyl-butan-2-one
75-97-8

3,3-dimethyl-butan-2-one

trimethylacetylacetonitrile
59997-51-2

trimethylacetylacetonitrile

Conditions
ConditionsYield
With hydrogenchloride; sodium hydroxide; sodium bicarbonate; chlorine In methanol; water; benzene85%
Multi-step reaction with 2 steps
1: chloroform; SnCl4; bromine / -15 °C
2: alcohol / K-Salz
View Scheme
4,4-dimethyl-3-ketovaleronitrile sodium salt

4,4-dimethyl-3-ketovaleronitrile sodium salt

trimethylacetylacetonitrile
59997-51-2

trimethylacetylacetonitrile

Conditions
ConditionsYield
With hydrogenchloride In water; dimethyl sulfoxide; toluene at 30℃; pH=2.0; Product distribution / selectivity;78%
With hydrogenchloride In water; toluene at 20 - 30℃; pH=2.0; Product distribution / selectivity;58%
With hydrogenchloride In water at 0℃; pH=7.0 - 7.7; Product distribution / selectivity;57%
N-methoxy-N-methylpivalamide
64214-60-4

N-methoxy-N-methylpivalamide

acetonitrile
75-05-8

acetonitrile

trimethylacetylacetonitrile
59997-51-2

trimethylacetylacetonitrile

Conditions
ConditionsYield
Stage #1: acetonitrile With methyllithium; lithium bromide In tetrahydrofuran; diethyl ether at -78℃; for 0.5h; Inert atmosphere;
Stage #2: N-methoxy-N-methylpivalamide In tetrahydrofuran; diethyl ether at -78℃; for 1.5h; Inert atmosphere;
74%
Methyl pivalate
598-98-1

Methyl pivalate

acetonitrile
75-05-8

acetonitrile

trimethylacetylacetonitrile
59997-51-2

trimethylacetylacetonitrile

Conditions
ConditionsYield
With bromobenzene Ambient temperature; electrolysis;60%
With bromobenzene; tetrabutylammonium tetrafluoroborate electroreduction;60%
Stage #1: acetonitrile With sodium hydride In 1,4-dioxane; paraffin oil (nujol) for 0.75h;
Stage #2: Methyl pivalate In 1,4-dioxane; paraffin oil (nujol) for 3h; Reflux;
51%
pivaloyl chloride
3282-30-2

pivaloyl chloride

acetonitrile
75-05-8

acetonitrile

trimethylacetylacetonitrile
59997-51-2

trimethylacetylacetonitrile

Conditions
ConditionsYield
Stage #1: acetonitrile With n-butyllithium In tetrahydrofuran at -78℃; for 1h; Inert atmosphere;
Stage #2: pivaloyl chloride In tetrahydrofuran at -78℃; for 1h; Inert atmosphere;
41%
ethanol
64-17-5

ethanol

2-chloromethyl-2-hydroxy-3,3-dimethyl-butyronitrile

2-chloromethyl-2-hydroxy-3,3-dimethyl-butyronitrile

sodium ethanolate
141-52-6

sodium ethanolate

A

2,3-epoxy-2-tert-butyl-propionitrile

2,3-epoxy-2-tert-butyl-propionitrile

B

trimethylacetylacetonitrile
59997-51-2

trimethylacetylacetonitrile

1-chloro-3,3-dimethyl-butan-2-one
13547-70-1

1-chloro-3,3-dimethyl-butan-2-one

sodium cyanide
143-33-9

sodium cyanide

trimethylacetylacetonitrile
59997-51-2

trimethylacetylacetonitrile

Conditions
ConditionsYield
With ethanol
1-chloro-3,3-dimethyl-butan-2-one
13547-70-1

1-chloro-3,3-dimethyl-butan-2-one

potassium cyanide
151-50-8

potassium cyanide

A

2,3-epoxy-2-tert-butyl-propionitrile

2,3-epoxy-2-tert-butyl-propionitrile

B

trimethylacetylacetonitrile
59997-51-2

trimethylacetylacetonitrile

Conditions
ConditionsYield
With water
1-chloro-3,3-dimethyl-butan-2-one
13547-70-1

1-chloro-3,3-dimethyl-butan-2-one

potassium cyanide
151-50-8

potassium cyanide

trimethylacetylacetonitrile
59997-51-2

trimethylacetylacetonitrile

Conditions
ConditionsYield
With ethanol
potassium cyanide
151-50-8

potassium cyanide

1-Bromopinacolon
5469-26-1

1-Bromopinacolon

trimethylacetylacetonitrile
59997-51-2

trimethylacetylacetonitrile

Conditions
ConditionsYield
With ethanol K-Salz;
3,5-di(tert-butyl )isoxazole
1132-15-6

3,5-di(tert-butyl )isoxazole

trimethylacetylacetonitrile
59997-51-2

trimethylacetylacetonitrile

Conditions
ConditionsYield
In methanol Irradiation;
pivaloyl chloride
3282-30-2

pivaloyl chloride

cyanoacetic acid
372-09-8

cyanoacetic acid

trimethylacetylacetonitrile
59997-51-2

trimethylacetylacetonitrile

Conditions
ConditionsYield
With [2,2]bipyridinyl; n-butyllithium 1.) THF, hexane, -70 deg C --> 0 deg C, 2.) -70 deg C, 1 h; Yield given. Multistep reaction;
With hydrogenchloride; n-butyllithium In tetrahydrofuran; hexane
2,2-dimethyl-propanoic acid ethyl ester
3938-95-2

2,2-dimethyl-propanoic acid ethyl ester

acetonitrile
75-05-8

acetonitrile

trimethylacetylacetonitrile
59997-51-2

trimethylacetylacetonitrile

Conditions
ConditionsYield
With sodium hydride In tetrahydrofuran
With sodium hydride In 1,4-dioxane
With sodium hydride In tetrahydrofuran at 75℃; for 15h;
With sodium hydride In tetrahydrofuran at 80℃;
With sodium hydride In 1,4-dioxane; mineral oil at 20℃; for 16h;
1-chloro-3,3-dimethyl-butan-2-one
13547-70-1

1-chloro-3,3-dimethyl-butan-2-one

potassium cyanide
151-50-8

potassium cyanide

A

trimethylacetylacetonitrile
59997-51-2

trimethylacetylacetonitrile

B

α-tert-butyl-α-cyano-ethylene oxide

α-tert-butyl-α-cyano-ethylene oxide

Conditions
ConditionsYield
With water
Methyl pivalate
598-98-1

Methyl pivalate

trimethylacetylacetonitrile
59997-51-2

trimethylacetylacetonitrile

Conditions
ConditionsYield
With hydrogenchloride In water; toluene; acetonitrile
With hydrogenchloride; hydrogen In water; toluene; acetonitrile
In tetrahydrofuran; water; acetonitrile
With ammonia; iron(III) chloride In diethyl ether; acetonitrile
acetonitrile
75-05-8

acetonitrile

pivalic acid ester

pivalic acid ester

trimethylacetylacetonitrile
59997-51-2

trimethylacetylacetonitrile

Conditions
ConditionsYield
With sodium hydride In toluene
pivaloyl chloride
3282-30-2

pivaloyl chloride

trimethylacetylacetonitrile
59997-51-2

trimethylacetylacetonitrile

Conditions
ConditionsYield
Multi-step reaction with 2 steps
1.1: 1.5 h / 0 - 20 °C
2.1: sodium hydride / 1,4-dioxane; paraffin oil / 0.75 h
2.2: 3 h / Reflux
View Scheme
Multi-step reaction with 2 steps
1.1: 1.5 h / 0 - 20 °C
2.1: sodium hydride / 1,4-dioxane; paraffin oil (nujol) / 0.75 h
2.2: Reflux
View Scheme
Multi-step reaction with 2 steps
1.1: 1.5 h / 0 - 20 °C
2.1: sodium hydride / 1,4-dioxane; paraffin oil (nujol) / 0.75 h
2.2: 3 h / Reflux
View Scheme
sodium cyanide
773837-37-9

sodium cyanide

1-Bromopinacolon
5469-26-1

1-Bromopinacolon

trimethylacetylacetonitrile
59997-51-2

trimethylacetylacetonitrile

Conditions
ConditionsYield
With hydrogenchloride In ethanol; water at 20℃;
Stage #1: sodium cyanide; 1-Bromopinacolon In ethanol; water for 16h;
Stage #2: With hydrogenchloride In ethanol; water
trimethylacetylacetonitrile
59997-51-2

trimethylacetylacetonitrile

(2,4-difluorophenyl)hydrazinium chloride
40594-29-4, 51523-79-6

(2,4-difluorophenyl)hydrazinium chloride

3-tert-butyl-1-(2,4-difluorophenyl)-1H-pyrazol-5-amine
778611-49-7

3-tert-butyl-1-(2,4-difluorophenyl)-1H-pyrazol-5-amine

Conditions
ConditionsYield
Stage #1: trimethylacetylacetonitrile; (2,4-difluorophenyl)hydrazinium chloride With hydrogenchloride In ethanol for 12h; Heating / reflux;
Stage #2: With sodium hydroxide In ethanol; water at 20℃; pH=12;
100%
trimethylacetylacetonitrile
59997-51-2

trimethylacetylacetonitrile

4-methoxyphenylhydrazine hydrochloride
19501-58-7

4-methoxyphenylhydrazine hydrochloride

3-tert-butyl-1-(4-methoxyphenyl)-1H-pyrazol-5-amine
227623-26-9

3-tert-butyl-1-(4-methoxyphenyl)-1H-pyrazol-5-amine

Conditions
ConditionsYield
for 18h; Reflux;100%
With hydrogenchloride In ethanol for 48h; Reflux;87%
In ethanol at 80℃;80%
trimethylacetylacetonitrile
59997-51-2

trimethylacetylacetonitrile

1-(3-chloro-4-methylphenyl)hydrazine hydrochloride
54812-56-5

1-(3-chloro-4-methylphenyl)hydrazine hydrochloride

3-tert-butyl-1-(3-chloro-4-methylphenyl)-1H-pyrazol-5-amine
926242-93-5

3-tert-butyl-1-(3-chloro-4-methylphenyl)-1H-pyrazol-5-amine

Conditions
ConditionsYield
With hydrogenchloride In ethanol for 18h; Reflux;100%
With hydrogenchloride In ethanol; water at 90℃; for 24h;45%
trimethylacetylacetonitrile
59997-51-2

trimethylacetylacetonitrile

n-propylhydrazine oxalate
6340-91-6

n-propylhydrazine oxalate

3-tert-butyl-1-n-propyl-1H-pyrazol-5-amine
884340-11-8

3-tert-butyl-1-n-propyl-1H-pyrazol-5-amine

Conditions
ConditionsYield
With hydrogenchloride In ethanol for 12h; Reflux;100%
Stage #1: trimethylacetylacetonitrile; n-propylhydrazine oxalate In ethanol at 85℃;
Stage #2: With sodium hydroxide In dichloromethane; water
98%
In ethanol at 85℃; for 4h;96%
In ethanol for 18h; Reflux; Inert atmosphere;
trimethylacetylacetonitrile
59997-51-2

trimethylacetylacetonitrile

(R)-((tetrahydrofuran-2-yl)methyl)hydrazine dihydrochloride

(R)-((tetrahydrofuran-2-yl)methyl)hydrazine dihydrochloride

(R)-3-tert-butyl-1-((tetrahydrofuran-2-yl)methyl)-1H-pyrazol-5-amine
1140917-39-0

(R)-3-tert-butyl-1-((tetrahydrofuran-2-yl)methyl)-1H-pyrazol-5-amine

Conditions
ConditionsYield
Stage #1: trimethylacetylacetonitrile; (R)-((tetrahydrofuran-2-yl)methyl)hydrazine dihydrochloride In ethanol at 85℃;
Stage #2: With sodium hydrogencarbonate In dichloromethane at 20℃;
100%
trimethylacetylacetonitrile
59997-51-2

trimethylacetylacetonitrile

3,3,3-trifluoropropyl-4-methylbenzene sulphonate
2342-67-8

3,3,3-trifluoropropyl-4-methylbenzene sulphonate

3-tert-butyl-1-(3,3,3-trifluoropropyl)-1H-pyrazol-5-amine
1217419-66-3

3-tert-butyl-1-(3,3,3-trifluoropropyl)-1H-pyrazol-5-amine

Conditions
ConditionsYield
Stage #1: 3,3,3-trifluoropropyl-4-methylbenzene sulphonate With hydrazine hydrate In ethanol at 85℃;
Stage #2: trimethylacetylacetonitrile In ethanol at 20 - 85℃; Reflux;
100%
2,4-difluorophenylhydrazine
40594-30-7

2,4-difluorophenylhydrazine

trimethylacetylacetonitrile
59997-51-2

trimethylacetylacetonitrile

3-tert-butyl-1-(2,4-difluorophenyl)-1H-pyrazol-5-amine
778611-49-7

3-tert-butyl-1-(2,4-difluorophenyl)-1H-pyrazol-5-amine

Conditions
ConditionsYield
With hydrogenchloride In ethanol Reflux;100%
trimethylacetylacetonitrile
59997-51-2

trimethylacetylacetonitrile

benzylhydrazine dihydrochloride
20570-96-1

benzylhydrazine dihydrochloride

1-benzyl-3-tert-butyl-1H-pyrazol-5-amine
866255-96-1

1-benzyl-3-tert-butyl-1H-pyrazol-5-amine

Conditions
ConditionsYield
With hydrogenchloride In ethanol Reflux;100%
trimethylacetylacetonitrile
59997-51-2

trimethylacetylacetonitrile

3,4-dimethylphenylhydrazine hydrochloride
60481-51-8, 86746-50-1

3,4-dimethylphenylhydrazine hydrochloride

5-tert-butyl-2-(3,4-dimethyl-phenyl)-2H-pyrazol-3-ylamine
1025893-78-0

5-tert-butyl-2-(3,4-dimethyl-phenyl)-2H-pyrazol-3-ylamine

Conditions
ConditionsYield
With hydrogenchloride In ethanol for 18h; Reflux;100%
In methanol for 0.266667h; Reflux;91.5%
In ethanol for 5h; Reflux;90%
trimethylacetylacetonitrile
59997-51-2

trimethylacetylacetonitrile

4-hydrazinobenzoic acid hydrochloride
24589-77-3, 52455-33-1

4-hydrazinobenzoic acid hydrochloride

4-(5-amino-3-tert-butyl-1H-pyrazol-1-yl)benzoic acid
869663-56-9

4-(5-amino-3-tert-butyl-1H-pyrazol-1-yl)benzoic acid

Conditions
ConditionsYield
With hydrogenchloride In ethanol for 18h; Reflux;100%
Stage #1: trimethylacetylacetonitrile; 4-hydrazinobenzoic acid hydrochloride In ethanol for 69h; Reflux;
Stage #2: With water; lithium hydroxide In tetrahydrofuran at 20℃; for 2h;
trimethylacetylacetonitrile
59997-51-2

trimethylacetylacetonitrile

N,N-dimethyl-formamide dimethyl acetal
4637-24-5

N,N-dimethyl-formamide dimethyl acetal

(E/Z)-2-((dimethylamino)methylene)-4,4-dimethyl-3-oxopentanenitrile

(E/Z)-2-((dimethylamino)methylene)-4,4-dimethyl-3-oxopentanenitrile

Conditions
ConditionsYield
In toluene100%
trimethylacetylacetonitrile
59997-51-2

trimethylacetylacetonitrile

(3-chloro-4-fluorophenyl)hydrazine hydrochloride

(3-chloro-4-fluorophenyl)hydrazine hydrochloride

5-tert-butyl-2-(3-chloro-4-fluorophenyl)pyrazol-3-amine
1001522-07-1

5-tert-butyl-2-(3-chloro-4-fluorophenyl)pyrazol-3-amine

Conditions
ConditionsYield
With hydrogenchloride In ethanol for 18h; Reflux;100%
In ethanol; water Reflux;
trimethylacetylacetonitrile
59997-51-2

trimethylacetylacetonitrile

p-tolylhydrazine hydrochloride
637-60-5

p-tolylhydrazine hydrochloride

3-tert-butyl-1-p-tolyl-1H-pyrazol-5-amine
285984-25-0

3-tert-butyl-1-p-tolyl-1H-pyrazol-5-amine

Conditions
ConditionsYield
In methanol99%
With hydrogenchloride In ethanol for 48h; Reflux;86%
With hydrogenchloride In ethanol at 80℃; for 8h;86.4%
trimethylacetylacetonitrile
59997-51-2

trimethylacetylacetonitrile

4-Hydrazinobenzoic acid
619-67-0

4-Hydrazinobenzoic acid

4-(5-amino-3-tert-butyl-1H-pyrazol-1-yl)benzoic acid
869663-56-9

4-(5-amino-3-tert-butyl-1H-pyrazol-1-yl)benzoic acid

Conditions
ConditionsYield
With acetic acid In tetrahydrofuran; ethanol for 16h; Heating / reflux;99%
With acetic acid In tetrahydrofuran; ethanol for 16h; Heating / reflux;99%
Stage #1: trimethylacetylacetonitrile; 4-Hydrazinobenzoic acid In methanol at 20℃; for 0.333333h;
Stage #2: With hydrogenchloride at 94.85℃; for 0.666667h;
80%
In toluene at 20℃; for 12h; Heating / reflux;
In toluene at 20℃; for 12h; Heating / reflux;
trimethylacetylacetonitrile
59997-51-2

trimethylacetylacetonitrile

4-hydrazinobenzonitrile hydrochloride
2863-98-1

4-hydrazinobenzonitrile hydrochloride

4-(5-amino-3-(tert-butyl)-1H-pyrazol-1-yl)benzonitrile
869663-55-8

4-(5-amino-3-(tert-butyl)-1H-pyrazol-1-yl)benzonitrile

Conditions
ConditionsYield
With hydrogenchloride In ethanol for 18h; Reflux;99%
In ethanol for 68h; Reflux;95%
In ethanol at 20℃; for 92h; Reflux;95%
trimethylacetylacetonitrile
59997-51-2

trimethylacetylacetonitrile

benzaldehyde
100-52-7

benzaldehyde

4,4-dimethyl-3-oxo-2-[1-phenylmeth-(E)-ylidene]pentanenitrile
1189116-34-4

4,4-dimethyl-3-oxo-2-[1-phenylmeth-(E)-ylidene]pentanenitrile

Conditions
ConditionsYield
With L-proline In ethanol at 20℃; for 24h; Knoevenagel condensation;99%
With dimethyl 3-methyl-9-oxo-7-(3,3,4,4,5,5,6,6,7,7,8,8,9,9,10,10,10-heptadecafluorodecyl)-2,4-di(pyridin-2-yl)-3,7-diazabicyclo-[3.3.1]nonane-1,5-dicarboxylate In water at 40℃; for 4h; Knoevenagel Condensation;80%
trimethylacetylacetonitrile
59997-51-2

trimethylacetylacetonitrile

(4-fluorobenzyl)hydrazine dihydrochloride

(4-fluorobenzyl)hydrazine dihydrochloride

3-tert-butyl-1-(4-fluorobenzyl)-1H-pyrazol-5-amine
1217414-99-7

3-tert-butyl-1-(4-fluorobenzyl)-1H-pyrazol-5-amine

Conditions
ConditionsYield
Stage #1: trimethylacetylacetonitrile; (4-fluorobenzyl)hydrazine dihydrochloride In ethanol at 85℃; for 2h;
Stage #2: With sodium hydrogencarbonate In ethanol; water; ethyl acetate
99%
trimethylacetylacetonitrile
59997-51-2

trimethylacetylacetonitrile

benzaldehyde
100-52-7

benzaldehyde

malononitrile
109-77-3

malononitrile

2-amino-6-(tert-butyl)-4-phenyl-4H-pyran-3,5-dicarbonitrile

2-amino-6-(tert-butyl)-4-phenyl-4H-pyran-3,5-dicarbonitrile

Conditions
ConditionsYield
With tris(2,2'-bipyridyl)ruthenium dichloride In ethanol; water at 25℃; for 2h; Schlenk technique; Irradiation; Green chemistry;98.6%
In ethanol; water at 20℃; Irradiation; Green chemistry;88%
trimethylacetylacetonitrile
59997-51-2

trimethylacetylacetonitrile

p-tolylhydrazine hydrochloride
637-60-5

p-tolylhydrazine hydrochloride

3-amino-5-tert-butyl-2-(p-tolyl)-2H-pyrazole hydrochloride

3-amino-5-tert-butyl-2-(p-tolyl)-2H-pyrazole hydrochloride

Conditions
ConditionsYield
In methanol at 120℃; for 1h; microwave irradiation;98%
In methanol Inert atmosphere; Reflux;94%
In methanol for 16h; Reflux;86%
trimethylacetylacetonitrile
59997-51-2

trimethylacetylacetonitrile

5-isothiocyanato-benzo[1,3]dioxole
113504-93-1

5-isothiocyanato-benzo[1,3]dioxole

methyl iodide
74-88-4

methyl iodide

3-(benzo[1,3]dioxol-5ylamino)-2-(2,2-dimethylpropionyl)-3-methylsulfanyl-2-propenenitrile

3-(benzo[1,3]dioxol-5ylamino)-2-(2,2-dimethylpropionyl)-3-methylsulfanyl-2-propenenitrile

Conditions
ConditionsYield
Stage #1: trimethylacetylacetonitrile; 5-isothiocyanato-benzo[1,3]dioxole With potassium carbonate In acetone at 20℃; for 72h;
Stage #2: methyl iodide In acetone at 20℃; for 0.75h;
98%
trimethylacetylacetonitrile
59997-51-2

trimethylacetylacetonitrile

2C6H5O2(1-)*C16H22N2O2S4(2+)

2C6H5O2(1-)*C16H22N2O2S4(2+)

C22H20N2O4S4
1118625-18-5

C22H20N2O4S4

Conditions
ConditionsYield
In 1-methyl-pyrrolidin-2-one at 80℃; for 4h; Inert atmosphere;98%
trimethylacetylacetonitrile
59997-51-2

trimethylacetylacetonitrile

2C6H5O2(1-)*C16H22N2O2S4(2+)

2C6H5O2(1-)*C16H22N2O2S4(2+)

C22H20N2O4S4
1118625-18-5

C22H20N2O4S4

Conditions
ConditionsYield
In 1-methyl-pyrrolidin-2-one at 80℃; for 4h; Inert atmosphere;98%
trimethylacetylacetonitrile
59997-51-2

trimethylacetylacetonitrile

(2-methoxyethyl)hydrazine oxalic acid

(2-methoxyethyl)hydrazine oxalic acid

5-tert-butyl-2-(2-methoxyethyl)-2H-pyrazol-3-ylamine

5-tert-butyl-2-(2-methoxyethyl)-2H-pyrazol-3-ylamine

Conditions
ConditionsYield
In ethanol at 85℃; for 4.5h;98%
In ethanol at 85℃; for 4.5h;98%
trimethylacetylacetonitrile
59997-51-2

trimethylacetylacetonitrile

5-amino-3-tert-butylisoxazole
59669-59-9

5-amino-3-tert-butylisoxazole

Conditions
ConditionsYield
With sodium hydroxide; hydroxyammonium sulfate at 100℃; for 2.5h;97.6%
With hydroxylamine hydrochloride; sodium hydroxide In water at 100℃; for 2.5h;97%
With hydroxylamine hydrochloride; sodium hydroxide In water at 60℃; for 3h;88%
trimethylacetylacetonitrile
59997-51-2

trimethylacetylacetonitrile

methyl 4,4-dimethyl-3-oxopentanimidate hydrochloride

methyl 4,4-dimethyl-3-oxopentanimidate hydrochloride

Conditions
ConditionsYield
With hydrogenchloride In methanol; hexane; toluene97.5%
97.5%
trimethylacetylacetonitrile
59997-51-2

trimethylacetylacetonitrile

3-tert-butyl-1H-pyrazole-5-amine
82560-12-1

3-tert-butyl-1H-pyrazole-5-amine

Conditions
ConditionsYield
With hydrazine hydrate In methanol at 120℃; for 0.666667h; microwave irradiation;97%
With hydrazine hydrate In ethanol at 110℃; for 7h; Inert atmosphere;97%
With hydrazine hydrate In ethanol for 3h; Reflux;89%
2-hydroxyethylhydrazine
109-84-2

2-hydroxyethylhydrazine

trimethylacetylacetonitrile
59997-51-2

trimethylacetylacetonitrile

2-(5-amino-3-(tert-butyl)-1H-pyrazol-1-yl)ethanol
908267-36-7

2-(5-amino-3-(tert-butyl)-1H-pyrazol-1-yl)ethanol

Conditions
ConditionsYield
With hydrogenchloride In ethanol for 20h; Reflux;97%
With hydrogenchloride In ethanol for 20h; Reflux;97%
With hydrogenchloride In ethanol; water for 20h; Reflux;97%
trimethylacetylacetonitrile
59997-51-2

trimethylacetylacetonitrile

(R)-((tetrahydrofuran-2-yl)methyl)hydrazine dihydrochloride

(R)-((tetrahydrofuran-2-yl)methyl)hydrazine dihydrochloride

(R)-3-tert-butyl-1-((tetrahydrofuran-2-yl)methyl)-1H-pyrazol-5-amine hydrochloride
1140917-98-1

(R)-3-tert-butyl-1-((tetrahydrofuran-2-yl)methyl)-1H-pyrazol-5-amine hydrochloride

Conditions
ConditionsYield
In ethanol at 90℃; for 6h;97%
In ethanol at 90℃; for 6h;97%
trimethylacetylacetonitrile
59997-51-2

trimethylacetylacetonitrile

(2-chloro-5-hydrazino-phenyl)-methanol

(2-chloro-5-hydrazino-phenyl)-methanol

[5-(5-amino-3-tert-butyl-pyrazol-1-yl)-2-chloro-phenyl]-methanol hydrochloride

[5-(5-amino-3-tert-butyl-pyrazol-1-yl)-2-chloro-phenyl]-methanol hydrochloride

Conditions
ConditionsYield
With hydrogenchloride In ethanol for 3.5h; Reflux;97%
With hydrogenchloride In ethanol for 3.5h; Reflux;97%
trimethylacetylacetonitrile
59997-51-2

trimethylacetylacetonitrile

2-hydrazinoethanol

2-hydrazinoethanol

2-(5-amino-3-(tert-butyl)-1H-pyrazol-1-yl)ethanol
908267-36-7

2-(5-amino-3-(tert-butyl)-1H-pyrazol-1-yl)ethanol

Conditions
ConditionsYield
With hydrogenchloride In ethanol; water for 20h; Reflux;97%

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