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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 according to the contract research and development services for t

2-Naphthylhydrazine hydrochloride TOP1 supplier

Cas:2243-58-5

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 2-Naphthylhydrazinehydrochloride

Cas:2243-58-5

Min.Order:1 Metric Ton

Negotiable

Type:Manufacturers

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Wuhan Fortuna Chemical Co.,Ltd

Unique advantages Guaranteed purity High quality & competitive price Quality control Fast feedback Prompt shipment Appearance:White powder Storage:cool dry place Package:1kg/foil bag;25kg/drum Application:fine chemical Transportation:by cou

Manufacturer high quality 2-Naphthylhydrazine hydrochloride Cas 2243-58-5 with good price

Cas:2243-58-5

Min.Order:1 Kilogram

Negotiable

Type:Trading Company

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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

2-Naphthylhydrazine hydrochloride

Cas:2243-58-5

Min.Order:5 Kiloliter

FOB Price: $1.2 / 5.0

Type:Manufacturers

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Henan Tianfu Chemical Co., Ltd.

Hydrazine,2-naphthalenyl-, hydrochloride (1:1) 2-Naphthylhydrazine hydrochloride Basic information Product Name: 2-Naphthylhydrazine hydrochloride Synonyms: 2-NAPHTHALENYL HYDR

2243-58-5

Cas:2243-58-5

Min.Order:1 Metric Ton

Negotiable

Type:Lab/Research institutions

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Hebei Nengqian Chemical Import and Export Co., LTD

Our advantages: 1, High quality with competitive price: 1) Standard:BP/USP/EP/Enterprise standard 2) All Purity≥99% 3) We are manufacturer and can provide high quality products with factory price. 2, Fast and safe delivery 1) Parcel can be

2-Naphthylhydrazine hydrochloride CAS:2243-58-5

Cas:2243-58-5

Min.Order:1 Kilogram

FOB Price: $15.0 / 20.0

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 2243-58-5 with competitive price

Cas:2243-58-5

Min.Order:1 Kilogram

FOB Price: $139.0 / 210.0

Type:Trading Company

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Shijiazhuang Sdyano Fine Chemical Co., Ltd

1. Best prices with satisfied quality; 2. It's clients' right to choose the package's Courier (EMS, DHL, FedEx, UPS); 3.It's clients' right to choose the packing way for his produccts from many recent effective packing w

2-Naphthylhydrazine hydrochloride

Cas:2243-58-5

Min.Order:0 Metric Ton

Negotiable

Type:Trading Company

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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

Hydrazine,2-naphthalenyl-, hydrochloride (1:1) 2243-58-5

Cas:2243-58-5

Min.Order:1 Kilogram

Negotiable

Type:Lab/Research institutions

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Shanghai Minstar Chemical Co., Ltd

2-Naphthylhydrazine hydrochloride Basic information Product Name: 2-Naphthylhydrazine hydrochloride Synonyms: 2-NAPHTHALENYL HYDRAZINE HYDROCHLORIDE;2-NAPHTHYLHYDRAZINE HYDROCHLORIDE;2-NAPHTHYLHYDRAINE HYDROCHLORIDE;2-HYDRAZINONAPHTHALENE HYDRO

2-Naphthylhydrazine hydrochloride

Cas:2243-58-5

Min.Order:1 Kilogram

Negotiable

Type:Lab/Research institutions

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Qingdao Beluga Import and Export Co., LTD

2-Naphthylhydrazine hydrochloride CAS:2243-58-5 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

2-Naphthylhydrazine hydrochloride CAS:2243-58-5

Cas:2243-58-5

Min.Order:1 Gram

Negotiable

Type:Lab/Research institutions

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Henan Wentao Chemical Product Co., Ltd.

Henan Wentao Chemical Product Co.,Ltd is Located in Zhengzhou High-tech Development Zone with import and export license, We passed ISO 9001:2008 as well, Henan Wentao has developed more than 1000 compounds, which are widely used in the fields of prod

Hydrazine,2-naphthalenyl-, hydrochloride (1:1)

Cas:2243-58-5

Min.Order:0

Negotiable

Type:Lab/Research institutions

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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

2-Naphthylhydrazine Hydrochloride

Cas:2243-58-5

Min.Order:0

Negotiable

Type:Manufacturers

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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

2-Naphthylhydrazine hydrochloride

Cas:2243-58-5

Min.Order:0

Negotiable

Type:Lab/Research institutions

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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 2-naphthylhydrazinium(1+) chloride

Cas:2243-58-5

Min.Order:0 Metric Ton

Negotiable

Type:Other

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Hangzhou Lingrui Chemical Co.,Ltd.

reasonable price 2-Naphthylhydrazine hydrochloride 2243-58-5 reliable manufacturers Molecular Formula C10H11ClN2 Molar Mass 194.66 Melting Point 123°C Boling Point 362.9°C at 760 mmHg

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 2-Naphthylhydrazinehydrochloride

Cas:2243-58-5

Min.Order:10 Gram

FOB Price: $100.0

Type:Lab/Research institutions

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Hunan chemfish Pharmaceutical co.,Ltd

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

2-Naphthalenyl hydrazine hydrochloride

Cas:2243-58-5

Min.Order:0

Negotiable

Type:Manufacturers

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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

2-naphthylhydrazinium(1+) chloride

Cas:2243-58-5

Min.Order:0

Negotiable

Type:Other

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Hangzhou Dingyan Chem Co., Ltd

R & D enterprises have their own stock in stockAppearance:To be subject to the object Package:Customized Application:pharmaceutical intermediates Transportation:Air Port:Shanghai;Guangzhou

2-Naphthylhydrazine hydrochloride

Cas:2243-58-5

Min.Order:0

Negotiable

Type:Manufacturers

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GIHI CHEMICALS CO.,LIMITED

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

2-Naphthyl hydrazine hydrochloride

Cas:2243-58-5

Min.Order:0

Negotiable

Type:Lab/Research institutions

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Henan Allgreen Chemical Co.,Ltd

high quality Storage:Sealed, dry, microtherm , avoid light and smell. Package:According to the demand of customer Application:Organic synthesis Transportation:by air or by sea

2-Naphthylhydrazine hydrochloride

Cas:2243-58-5

Min.Order:0

Negotiable

Type:Manufacturers

inquiry

Aecochem Corp.

Our clients, like BASF,CHEMO,Brenntag,ASR,Evonik,Merck and etc.Appearance:COA Storage:in stock Application:MSDS/TDS

2-Naphthylhydrazinehydrochloride

Cas:2243-58-5

Min.Order:0

Negotiable

Type:Manufacturers

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Antimex Chemical Limied

Ansciep Chemical is a professional enterprise manufacturing and distributing fine chemicals and speciality chemicals. We have been dedicated to heterocycle compounds and phenyl rings for tens of years. This is our mature product for export. Our quali

2-naphthylhydraziniuM(1+) chloride

Cas:2243-58-5

Min.Order:0

Negotiable

Type:Lab/Research institutions

inquiry

Hangzhou Ocean Chemical Co., Ltd.

★.Best quality according to requirement ★.Competitive price in China market ★.Mature Technical support ★.Professional logistic support

2-Naphthylhydrazine hydrochloride

Cas:2243-58-5

Min.Order:0

Negotiable

Type:Lab/Research institutions

inquiry

Hangzhou Fandachem Co.,Ltd

2-Naphthylhydrazine hydrochloride TOP1 supplier cas 2243-58-5Appearance:white crystalline powder Storage:Store in dry, dark and ventilated place Package:25KG drum Application:intermediate Transportation:by air, by sea, by express

2-Naphthylhydrazine hydrochloride TOP1 supplier cas 2243-58-5

Cas:2243-58-5

Min.Order:0

Negotiable

Type:Other

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Henan Kanbei Chemical Co.,LTD

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

2-Naphthylhydrazine hydrochloride

Cas:2243-58-5

Min.Order:0

Negotiable

Type:Lab/Research institutions

inquiry

Shanghai Chinqesen Biotechnology Co., Ltd.

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

2243-58-5

Cas:2243-58-5

Min.Order:0

Negotiable

Type:Trading Company

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Shanghai Yuanye Bio-Technology Co., Ltd.

good quality, competitive price, thoughtful after sale serviceAppearance:white powder Storage:Keep it in dry,shady and cool place Package:5g Application:Pharma;Industry;Agricultural;chemical reaserch Transportation:by express or by sea Port:Any port

2-Naphthylhydrazine hydrochloride

Cas:2243-58-5

Min.Order:0

Negotiable

Type:Trading Company

inquiry

Chemlyte Solutions

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

naphthalen-2-ylhydrazine,hydrochloride

Cas:2243-58-5

Min.Order:0

Negotiable

Type:Other

inquiry

Synthetic route

2-bromonaphthalene
580-13-2

2-bromonaphthalene

2-naphthylhydrazine hydrochloride
2243-58-5

2-naphthylhydrazine hydrochloride

Conditions
ConditionsYield
Stage #1: 2-bromonaphthalene With potassium phosphate; copper(l) iodide; N,N′-bis(2,6-dimethylphenyl)oxalamide; cetyltrimethylammonim bromide In water at 80℃; for 0.25h; Schlenk technique; Inert atmosphere; Sealed tube;
Stage #2: With hydrazine hydrate In water at 80℃; Inert atmosphere; Schlenk technique; Sealed tube;
Stage #3: With hydrogenchloride In water pH=3 - 4; Inert atmosphere; Schlenk technique; Sealed tube;
70%
Multi-step reaction with 2 steps
1.1: s-BuLi / tetrahydrofuran; cyclohexane / 0.5 h / -78 °C
1.2: tetrahydrofuran; cyclohexane / -78 - 20 °C
2.1: HCl / dioxane; propan-2-ol / 0.5 h / 60 °C
View Scheme
naphthalen-2-ylamine
91-59-8

naphthalen-2-ylamine

2-naphthylhydrazine hydrochloride
2243-58-5

2-naphthylhydrazine hydrochloride

Conditions
ConditionsYield
Stage #1: naphthalen-2-ylamine With hydrogenchloride; sodium nitrite In water for 1h; Cooling with ice;
Stage #2: With tin(ll) chloride In water for 3.5h; Cooling with ice;
63%
With hydrogenchloride; tin(ll) chloride; sodium nitrite 1.) -5 deg C to 0 deg C, 0.75 h, 2.) 1 h; Multistep reaction;
Stage #1: naphthalen-2-ylamine With hydrogenchloride; sodium nitrite In water at 0℃; for 0.416667h;
Stage #2: With hydrogenchloride; tin(ll) chloride In water at 0℃; for 0.5h;
Stage #1: naphthalen-2-ylamine With hydrogenchloride; sodium nitrite In water at -5 - 0℃; for 0.5h;
Stage #2: With tin(ll) chloride In water at 0 - 20℃;
di-tert-butyl 1-(naphthalene-2-yl)hydrazine-1,2-dicarboxylate
868394-40-5

di-tert-butyl 1-(naphthalene-2-yl)hydrazine-1,2-dicarboxylate

2-naphthylhydrazine hydrochloride
2243-58-5

2-naphthylhydrazine hydrochloride

Conditions
ConditionsYield
With hydrogenchloride In 1,4-dioxane; isopropyl alcohol at 60℃; for 0.5h;
β-naphthol
135-19-3

β-naphthol

2-naphthylhydrazine hydrochloride
2243-58-5

2-naphthylhydrazine hydrochloride

Conditions
ConditionsYield
With hydrazine hydrate for 20h; Reflux;296.5 g
2-(2,4-dimethyl-1,3-dioxolan-2-yl)acetic acid
1356907-02-2

2-(2,4-dimethyl-1,3-dioxolan-2-yl)acetic acid

2-naphthylhydrazine hydrochloride
2243-58-5

2-naphthylhydrazine hydrochloride

5-methyl-1-(naphthalen-2-yl)-1H-pyrazol-3-ol
1192140-15-0

5-methyl-1-(naphthalen-2-yl)-1H-pyrazol-3-ol

Conditions
ConditionsYield
Stage #1: 2-(2,4-dimethyl-1,3-dioxolan-2-yl)acetic acid With chloroformic acid ethyl ester; triethylamine In dichloromethane at 0℃; for 0.333333h;
Stage #2: 2-naphthylhydrazine hydrochloride With triethylamine In dichloromethane at 20℃; for 3h; Product distribution / selectivity;
97%
2-naphthylhydrazine hydrochloride
2243-58-5

2-naphthylhydrazine hydrochloride

cis-crotonin

cis-crotonin

C29H29NO3

C29H29NO3

Conditions
ConditionsYield
With acetic acid In ethanol for 1h; Reflux;96%
2-naphthylhydrazine hydrochloride
2243-58-5

2-naphthylhydrazine hydrochloride

S-methyl-S-phenylsulfoximine
4381-25-3

S-methyl-S-phenylsulfoximine

N-(2-naphthyl)-S-methyl-S-phenylsulfoximine

N-(2-naphthyl)-S-methyl-S-phenylsulfoximine

Conditions
ConditionsYield
With oxygen; potassium acetate; copper(I) bromide In acetone at 20℃; for 12h; Schlenk technique;88%
2-naphthylhydrazine hydrochloride
2243-58-5

2-naphthylhydrazine hydrochloride

potassium phenyltrifluoborate

potassium phenyltrifluoborate

2-phenylnaphthalene
612-94-2

2-phenylnaphthalene

Conditions
ConditionsYield
With diamminedichloropalladium(II); copper(II) choride dihydrate; potassium carbonate In water at 25℃; for 12h; Suzuki Coupling; Green chemistry;87%
2-naphthylhydrazine hydrochloride
2243-58-5

2-naphthylhydrazine hydrochloride

butanone
78-93-3

butanone

2,3-dimethylbenz<4,5>indole
55970-05-3

2,3-dimethylbenz<4,5>indole

Conditions
ConditionsYield
With 4-methylbenzenesulfonic acid-based ionic liquid supported on silica gel In ethanol at 20℃; for 5h; Fischer Indole Synthesis;86%
With acetic acid at 100℃; for 3h; Fischer Indole Synthesis; Inert atmosphere;
2-naphthylhydrazine hydrochloride
2243-58-5

2-naphthylhydrazine hydrochloride

3,4-dihydronaphthalene-1(2H)-one
529-34-0

3,4-dihydronaphthalene-1(2H)-one

C20H15N

C20H15N

Conditions
ConditionsYield
With acetic acid In ethanol for 3h; Heating;85%
2-naphthylhydrazine hydrochloride
2243-58-5

2-naphthylhydrazine hydrochloride

1,2,3,4-tetrahydronaphthalen-2-one
530-93-8

1,2,3,4-tetrahydronaphthalen-2-one

C20H17N

C20H17N

Conditions
ConditionsYield
With acetic acid In ethanol for 3h;85%
morpholine
110-91-8

morpholine

carbon monoxide
201230-82-2

carbon monoxide

2-naphthylhydrazine hydrochloride
2243-58-5

2-naphthylhydrazine hydrochloride

morpholino(naphthalen-2-yl)methanone
26162-88-9

morpholino(naphthalen-2-yl)methanone

Conditions
ConditionsYield
With oxygen; palladium diacetate; sodium carbonate; triphenylphosphine In 1,4-dioxane; dimethylsulfoxide-d6; carbon dioxide at 100℃; for 12h; Schlenk technique; liquid CO2;83%
With oxygen; palladium diacetate; sodium carbonate; triphenylphosphine In 1,4-dioxane; dimethyl sulfoxide at 100℃; under 760.051 Torr; for 12h; Schlenk technique; Green chemistry;83%
2-naphthylhydrazine hydrochloride
2243-58-5

2-naphthylhydrazine hydrochloride

benzyl chloroformate
501-53-1

benzyl chloroformate

C18H16N2O2

C18H16N2O2

Conditions
ConditionsYield
With pyridine In acetonitrile at 0 - 20℃; for 1.25h;81%
With pyridine In acetonitrile
4-Methoxybenzenethiol
696-63-9

4-Methoxybenzenethiol

2-naphthylhydrazine hydrochloride
2243-58-5

2-naphthylhydrazine hydrochloride

(4-methoxyphenyl)(naphthalen-2-yl)sulfane
51739-39-0

(4-methoxyphenyl)(naphthalen-2-yl)sulfane

Conditions
ConditionsYield
With oxygen; palladium diacetate; sodium carbonate; tricyclohexylphosphine In toluene at 100℃; for 12h; Schlenk technique;80%
2-naphthylhydrazine hydrochloride
2243-58-5

2-naphthylhydrazine hydrochloride

acetic anhydride
108-24-7

acetic anhydride

N′-(naphthalen-2-yl)acetohydrazide
40880-56-6

N′-(naphthalen-2-yl)acetohydrazide

Conditions
ConditionsYield
Stage #1: 2-naphthylhydrazine hydrochloride With potassium carbonate In water at 20℃; for 0.25h;
Stage #2: acetic anhydride In ethyl acetate; toluene at 20℃; for 1h;
79%
With sodium hydroxide In tetrahydrofuran for 1h; Inert atmosphere; Schlenk technique;61%
benzenesulfonamide
98-10-2

benzenesulfonamide

2-naphthylhydrazine hydrochloride
2243-58-5

2-naphthylhydrazine hydrochloride

N-(naphthalen-2-yl)benzenesulfonamide
7504-85-0

N-(naphthalen-2-yl)benzenesulfonamide

Conditions
ConditionsYield
With tert.-butylhydroperoxide; copper acetylacetonate; caesium carbonate In water; acetonitrile at 100℃; for 12h; Schlenk technique;79%
2-acetyldimedone
1755-15-3

2-acetyldimedone

2-naphthylhydrazine hydrochloride
2243-58-5

2-naphthylhydrazine hydrochloride

3,6,6-trimethyl-1-(naphthalen-2-yl)-6,7-dihydro-1H-indazol-4(5H)-one

3,6,6-trimethyl-1-(naphthalen-2-yl)-6,7-dihydro-1H-indazol-4(5H)-one

Conditions
ConditionsYield
With pyridine In ethanol at 80℃; for 2h;79%
maleic anhydride
108-31-6

maleic anhydride

2-naphthylhydrazine hydrochloride
2243-58-5

2-naphthylhydrazine hydrochloride

6-hydroxy-2-(naphthalen-2-yl)pyridazin-3(2H)-one
67945-32-8

6-hydroxy-2-(naphthalen-2-yl)pyridazin-3(2H)-one

Conditions
ConditionsYield
With hydrogenchloride In water Reflux;78.1%
2-naphthylhydrazine hydrochloride
2243-58-5

2-naphthylhydrazine hydrochloride

isopropyl chloroformate
108-23-6

isopropyl chloroformate

C14H16N2O2

C14H16N2O2

Conditions
ConditionsYield
With pyridine In acetonitrile at 0 - 20℃; for 1.25h;78%
With pyridine In acetonitrile
2-naphthylhydrazine hydrochloride
2243-58-5

2-naphthylhydrazine hydrochloride

3-(anthracen-9-yl)-1-p-tolylprop-2-en-1-one

3-(anthracen-9-yl)-1-p-tolylprop-2-en-1-one

5-(anthracen-9-yl)-1-(naphthalene-2-yl)-3-p-tolyl-4,5-dihydro-1H-pyrazole
1337561-41-7

5-(anthracen-9-yl)-1-(naphthalene-2-yl)-3-p-tolyl-4,5-dihydro-1H-pyrazole

Conditions
ConditionsYield
In ethanol for 4h; Reflux;77%
2-naphthylhydrazine hydrochloride
2243-58-5

2-naphthylhydrazine hydrochloride

C19H30O4

C19H30O4

C27H31NO2

C27H31NO2

Conditions
ConditionsYield
Stage #1: C19H30O4 With hydrogenchloride In methanol for 1h; Reflux;
Stage #2: 2-naphthylhydrazine hydrochloride With acetic acid In ethanol for 1h; Reflux;
77%
carbon monoxide
201230-82-2

carbon monoxide

2-naphthylhydrazine hydrochloride
2243-58-5

2-naphthylhydrazine hydrochloride

phenol
108-95-2

phenol

phenyl naphthalene-2-carboxylate
82408-29-5

phenyl naphthalene-2-carboxylate

Conditions
ConditionsYield
With bis(diphenylphosphino)propanepalladium(II) dichloride; oxygen; sodium hydroxide at 100℃; under 760.051 Torr; for 12h; Schlenk technique; Molecular sieve; Green chemistry;76%
3,3-dimethylindan-1-one
26465-81-6

3,3-dimethylindan-1-one

2-naphthylhydrazine hydrochloride
2243-58-5

2-naphthylhydrazine hydrochloride

C21H17N

C21H17N

Conditions
ConditionsYield
With hydrogenchloride; acetic acid In water for 12h; Reflux;72%
carbon monoxide
201230-82-2

carbon monoxide

2-naphthylhydrazine hydrochloride
2243-58-5

2-naphthylhydrazine hydrochloride

phenylacetylene
536-74-3

phenylacetylene

1,5-di(naphthalen-2-yl)-3-phenyl-1H-pyrazole

1,5-di(naphthalen-2-yl)-3-phenyl-1H-pyrazole

Conditions
ConditionsYield
With oxygen; palladium diacetate; triethylamine; triphenylphosphine In N,N-dimethyl-formamide at 100℃; for 8h; Molecular sieve; Schlenk technique; regioselective reaction;71%
toluene-4-sulfonic acid phenyl ester
640-60-8

toluene-4-sulfonic acid phenyl ester

2-naphthylhydrazine hydrochloride
2243-58-5

2-naphthylhydrazine hydrochloride

1-(2-naphthalenyl)-1-phenylhydrazine
83890-91-9

1-(2-naphthalenyl)-1-phenylhydrazine

Conditions
ConditionsYield
Stage #1: toluene-4-sulfonic acid phenyl ester With potassium phosphate; palladium(II) trifluoroacetate; 2-(2-(dicyclohexylphosphino)-4,5-dimethoxyphenyl)-1-methyl-1H-indole; phenylboronic acid In N,N-dimethyl-formamide at 20℃; for 0.00833333h; Schlenk technique; Inert atmosphere; Sealed tube;
Stage #2: 2-naphthylhydrazine hydrochloride In N,N-dimethyl-formamide at 100℃; for 24h; Schlenk technique; Inert atmosphere; Sealed tube;
71%
2-naphthylhydrazine hydrochloride
2243-58-5

2-naphthylhydrazine hydrochloride

ethyl 2,4-diketopentanoate
615-79-2

ethyl 2,4-diketopentanoate

A

ethyl 5-methyl-1-(naphthalen-2-yl)-1H-pyrazole-3-carboxylate
330803-41-3

ethyl 5-methyl-1-(naphthalen-2-yl)-1H-pyrazole-3-carboxylate

B

ethyl 3-methyl-1-(2-naphthyl)-1H-pyrazole-5-carboxylate
330803-40-2

ethyl 3-methyl-1-(2-naphthyl)-1H-pyrazole-5-carboxylate

Conditions
ConditionsYield
Stage #1: 2-naphthylhydrazine hydrochloride; ethyl 2,4-diketopentanoate With acetic acid for 1h; Reflux;
Stage #2: With sodium hydroxide In dichloromethane
A 66%
B 7%
3-Aminocrotononitrile
1118-61-2

3-Aminocrotononitrile

2-naphthylhydrazine hydrochloride
2243-58-5

2-naphthylhydrazine hydrochloride

3-methyl-1-(2-naphthyl)-1H-pyrazol-5-amine
92166-17-1

3-methyl-1-(2-naphthyl)-1H-pyrazol-5-amine

Conditions
ConditionsYield
Stage #1: 3-Aminocrotononitrile; 2-naphthylhydrazine hydrochloride With hydrogenchloride In water at 150℃; for 0.166667h; Microwave irradiation; Sealed tube; Green chemistry;
Stage #2: With sodium hydroxide In water for 0.0833333h; Sonication; Green chemistry;
66%
acetylferrocene
1271-55-2

acetylferrocene

2-naphthylhydrazine hydrochloride
2243-58-5

2-naphthylhydrazine hydrochloride

N,N-dimethyl-formamide
68-12-2, 33513-42-7

N,N-dimethyl-formamide

3-ferrocenyl-1-(2-naphthyl)pyrazole-4-carbaldehyde
1259930-40-9

3-ferrocenyl-1-(2-naphthyl)pyrazole-4-carbaldehyde

Conditions
ConditionsYield
With sodium methoxide; POCl3; Na2CO3 In ethanol MeONa was added to soln. acetylferrocene and β-naphthylhydrazine*HCl in EtOH, refluxed for 1 h, cooled to r.t., ppt. was filtered off, washed with EtOH, dried over CaCl2 for 1 h, dissolved in DMF, POCl3 was added under Ar, stirred at r.t. for 18 h; react. mixt. was poured onto ice with water, ppt. was filtered off, washed with water and dried over Na2SO4, column chromy. on silica (benzene);elem. anal.;65%
2-naphthylhydrazine hydrochloride
2243-58-5

2-naphthylhydrazine hydrochloride

methyl N-cyano-2-naphthimidate

methyl N-cyano-2-naphthimidate

1,3-di(naphthalen-2-yl)-1H-1,2,4-triazol-5-amine

1,3-di(naphthalen-2-yl)-1H-1,2,4-triazol-5-amine

Conditions
ConditionsYield
Stage #1: 2-naphthylhydrazine hydrochloride With triethylamine In methanol at 20℃; for 0.5h; Inert atmosphere;
Stage #2: methyl N-cyano-2-naphthimidate In methanol for 4h; Reflux; Inert atmosphere;
65%
naltrexone Hydrochloride
16676-29-2

naltrexone Hydrochloride

2-naphthylhydrazine hydrochloride
2243-58-5

2-naphthylhydrazine hydrochloride

17-(cyclopropylmethyl)-6,7-dehydro-4,5α-epoxy-3,14-dihydroxy-5',6'-benz-6,7-2',3'-indolomorphinan
126642-60-2

17-(cyclopropylmethyl)-6,7-dehydro-4,5α-epoxy-3,14-dihydroxy-5',6'-benz-6,7-2',3'-indolomorphinan

Conditions
ConditionsYield
With acetic acid for 4h; Heating;60%
2-naphthylhydrazine hydrochloride
2243-58-5

2-naphthylhydrazine hydrochloride

benzoic acid
65-85-0

benzoic acid

N’-(naphthalen-2-yl)benzohydrazide
93323-38-7

N’-(naphthalen-2-yl)benzohydrazide

Conditions
ConditionsYield
With 6-chloro-3-((dimethylamino)(dimethyliminio)methyl)-1H-benzo[d][1,2,3]triazol-3-ium-1-olatehexafluorophosphate(V); triethylamine In N,N-dimethyl-formamide at 20℃;60%
2-naphthylhydrazine hydrochloride
2243-58-5

2-naphthylhydrazine hydrochloride

ethyl 3-(3,5-dichlorophenyl)-3-oxopropanoate
172168-01-3

ethyl 3-(3,5-dichlorophenyl)-3-oxopropanoate

5-(3,5-dichlorophenyl)-2-(2-naphthyl)-2,4-dihydro-3H-pyrazol-3-one
907190-28-7

5-(3,5-dichlorophenyl)-2-(2-naphthyl)-2,4-dihydro-3H-pyrazol-3-one

Conditions
ConditionsYield
Stage #1: 2-naphthylhydrazine hydrochloride; ethyl 3-(3,5-dichlorophenyl)-3-oxopropanoate In acetic acid Heating / reflux;
Stage #2: With sodium hydroxide In water; acetic acid at 20℃; pH=6;
54%

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