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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

Plumbagin

Cas:481-42-5

Min.Order:1 Kilogram

FOB Price: $3.0

Type:Lab/Research institutions

inquiry

Xi'an Xszo Chem Co., Ltd.

1. Factory price and high quality must be guaranteed, base on 8 years of production and R&D experience2. Free samples will be provided,ensure specifications and quality are right for customer3. Customers will receive the most professional technical s

High Content Natural Extract 5-Hydroxy-2-Methyl-1,4-Naphthoquinone HACCP manufacturer

Cas:481-42-5

Min.Order:1 Gram

FOB Price: $0.1

Type:Manufacturers

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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

Plumbagine

Cas:481-42-5

Min.Order:5 Kiloliter

FOB Price: $1.2 / 5.0

Type:Manufacturers

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

Pharmaceutical Grade CAS 481-42-5 with competitive price

Cas:481-42-5

Min.Order:1 Kilogram

FOB Price: $139.0 / 210.0

Type:Trading Company

inquiry

Shanghai Upbio Tech Co.,Ltd

1.In No Less 10 years exporting experience. you 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 Specializ

1,4-Naphthalenedione,5-hydroxy-2-methyl-

Cas:481-42-5

Min.Order:1 Gram

Negotiable

Type:Lab/Research institutions

inquiry

Qingdao Beluga Import and Export Co., LTD

PLUMBAGIN CAS:481-42-5 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 organic intermediates, st

PLUMBAGIN CAS:481-42-5

Cas:481-42-5

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

1,4-Naphthalenedione,5-hydroxy-2-methyl-

Cas:481-42-5

Min.Order:1 Kilogram

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

1,4-Naphthalenedione,5-hydroxy-2-methyl-

Cas:481-42-5

Min.Order:0

Negotiable

Type:Lab/Research institutions

inquiry

Chengdu Biopurify Phytochemicals Ltd.

Chengdu Biopurify Phytochemicals Ltd. is a leading company in the research, development, manufacture and marketing of High Quality Phytochemicals and Extracts(especially Active Ingredients from Traditional Chinese Medicine,Traditional Chinese Medic

plumbapin

Cas:481-42-5

Min.Order:0 Metric Ton

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 Plumbagin

Cas:481-42-5

Min.Order:0 Metric Ton

Negotiable

Type:Other

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

1,4-Naphthalenedione,5-hydroxy-2-methyl-

Cas:481-42-5

Min.Order:0

Negotiable

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

5-hydroxy-2-methylnaphthoquinone

Cas:481-42-5

Min.Order:10 Gram

FOB Price: $100.0

Type:Lab/Research institutions

inquiry

HANGZHOU YUNUO CHEMICAL CO.,LTD

Superior quality, moderate price & quick delivery. Appearance:white crystal powder Storage:Stored in cool, dry and ventilation place; Away from fire and heat Package:10g/bag,or as your request Application:Used as Pharmaceutical Intermediates Tr

1,4-Naphthalenedione,5-hydroxy-2-methyl-

Cas:481-42-5

Min.Order:1 Gram

Negotiable

Type:Trading Company

inquiry

Hunan chemfish Pharmaceutical co.,Ltd

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

Plumbagin

Cas:481-42-5

Min.Order:0

Negotiable

Type:Manufacturers

inquiry

Suzhou Health Chemicals Co., Ltd.

High quality,stable supply chain.Appearance:white/off-white or light yellow Storage:Store in cool and dry place, keep away from strong light and heat. Package:aluminum bottle,glass bottle,PTFE bottle,cardboard drum Application:This product can be use

Plumbagin

Cas:481-42-5

Min.Order:0

Negotiable

Type:Lab/Research institutions

inquiry

shanghai Tauto Biotech Co., Ltd

The quality is guaranteed. If you find the product is wrong compared with COA, we promise 100% refund or change product. COA and HPLC will be shipped out with goods. You can also inform your analysis method and we will follow your a

Plumbagin

Cas:481-42-5

Min.Order:0 Metric Ton

Negotiable

Type:Manufacturers

inquiry

Sinoway Industrial Co., Ltd.

Why is SINOWAY:1) Specialized in pharmaceutical and healthcare industrial since 19872) ISO 9001:2015 & SGS audited supplier . 3) Accept various payment terms : T.T 30-60 days.4) We have warehouse in USA with quickly shipment . Application:Herbal extr

Shanghai Acmec Biochemical Technology Co., Ltd.

Acmec is a leading manufacturer and supplier of biochemical reagents and life science products. We have over 40,000 items in stock (real-time inventory) and offer discounted prices to registered members of the online store ( www.acmec.com.cn ) Appea

Acmec Plumbagin 250mg

Cas:481-42-5

Min.Order:1 bottle

Negotiable

Type:Lab/Research institutions

inquiry

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

pluMbapin

Cas:481-42-5

Min.Order:0

Negotiable

Type:Manufacturers

inquiry

Chengdu Lemeitian Pharmaceutical Technology Co,. Ltd

ADVANTAGE:1. More than 3,000 Chinese medicine reference substances / standard products available from stock, issued on the same day, multiple cities can be delivered the next day2. The products are provided with COA, HPLC, NMR, quality assurance, pac

plumbapin

Cas:481-42-5

Min.Order:0

Negotiable

Type:Manufacturers

inquiry

Xian Changyue Biological Technology Co., Ltd.

best seller Application:API

PLUMBAGIN

Cas:481-42-5

Min.Order:0

Negotiable

Type:Manufacturers

inquiry

Chemsigma International Co.,Ltd.

bulk productiongoods in stockswe have the best competitive price in the marketmeantime,we are committed to service to our every customer Chemsigma International Co.,Ltd. is a chemical manufacturer, specialize in custom synthesis and organic chemical

PLUMBAGIN

Cas:481-42-5

Min.Order:0

Negotiable

Type:Lab/Research institutions

inquiry

Henan Tianfu Chemical Co., Ltd.

High quality ,low price Storage:Room temperature Package:As per customer's Application:For Organic synthsis Transportation:To be shipped as non-hazardous chemicals

PLUMBAGIN

Cas:481-42-5

Min.Order:0

Negotiable

Type:Lab/Research institutions

inquiry

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

1,4-Naphthalenedione,5-hydroxy-2-methyl-

Cas:481-42-5

Min.Order:0

Negotiable

Type:Lab/Research institutions

inquiry

HANGZHOU TIANYE CHEMICALS CO., LTD.

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

5-Hydroxy-2-methylnaphthalene-1,4-dione

Cas:481-42-5

Min.Order:0

Negotiable

Type:Trading Company

inquiry

Guangdong Juda Chemical Industrial Co.,Limited

Appearance:solid or liquid Storage:sealed in cool and dry place Package:As customer's requested Application:Pharma Intermediate Transportation:by courier/air/sea Port:Any port in China

PLUMBAGIN CAS No.481-42-5

Cas:481-42-5

Min.Order:0

Negotiable

Type:Trading Company

inquiry

Wuhan Circle Star Chem-medical Technology co.,Ltd.

good quality, competitive price, thoughtful after sale serviceAppearance:White to Off-White Solid Storage:Keep it in dry,shady and cool place Package:as your requirement Application:Pharma;Industry;Agricultural;chemical reaserch Transportation:by Sea

PLUMBAGIN

Cas:481-42-5

Min.Order:0

Negotiable

Type:Lab/Research institutions

inquiry

DB BIOTECH CO., LTD

best seller Application:API

PLUMBAGIN

Cas:481-42-5

Min.Order:0

Negotiable

Type:Trading Company

inquiry

Hangzhou Fandachem Co.,Ltd

Plumbagin cas 481-42-5Appearance:white crystalline powder Storage:Store in dry, dark and ventilated place Package:25KG drum Application:intermediate Transportation:by air, by sea, by express

Plumbagin cas 481-42-5

Cas:481-42-5

Min.Order:0

Negotiable

Type:Other

inquiry

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

PLUMBAGIN

Cas:481-42-5

Min.Order:0

Negotiable

Type:Lab/Research institutions

inquiry

Synthetic route

2-bromo-5-hydroxy-[1,4]naphthoquinone
69008-03-3

2-bromo-5-hydroxy-[1,4]naphthoquinone

tetramethylstannane
594-27-4

tetramethylstannane

5-hydroxy-2-methyl-1,4-naphthoquinone
481-42-5

5-hydroxy-2-methyl-1,4-naphthoquinone

Conditions
ConditionsYield
tetrakis(triphenylphosphine) palladium(0); copper(I) bromide In 1,4-dioxane for 15h; Heating;100%
tetrakis(triphenylphosphine) palladium(0); copper(I) bromide In 1,4-dioxane for 15h; Heating; Yield given;
6-methyl-5,8-dioxo-5,8-dihydronaphthalen-1-yl acetate
116752-29-5

6-methyl-5,8-dioxo-5,8-dihydronaphthalen-1-yl acetate

5-hydroxy-2-methyl-1,4-naphthoquinone
481-42-5

5-hydroxy-2-methyl-1,4-naphthoquinone

Conditions
ConditionsYield
With hydrogenchloride In methanol at 50℃; for 1h;100%
5-methoxymethoxy-2-methyl-1,4-naphthoquinone
106914-49-2

5-methoxymethoxy-2-methyl-1,4-naphthoquinone

5-hydroxy-2-methyl-1,4-naphthoquinone
481-42-5

5-hydroxy-2-methyl-1,4-naphthoquinone

Conditions
ConditionsYield
With toluene-4-sulfonic acid In neat (no solvent, solid phase) at 20℃; for 0.583333h; Green chemistry;97%
With hydrogenchloride In methanol for 0.0833333h; Heating;95%
2,2,5-trimethylnaphtho-[1,8-de]-1,3-dioxin-6-ol

2,2,5-trimethylnaphtho-[1,8-de]-1,3-dioxin-6-ol

5-hydroxy-2-methyl-1,4-naphthoquinone
481-42-5

5-hydroxy-2-methyl-1,4-naphthoquinone

Conditions
ConditionsYield
With cerium(IV) ammonium sulphate In water; acetonitrile for 0.25h; Cooling with ice;95%
With ammonium cerous sulfate In water; acetonitrile at 0℃; for 0.25h;95%
2-methyl-5-methoxy-1,4-naphthoquinone
22266-99-5

2-methyl-5-methoxy-1,4-naphthoquinone

5-hydroxy-2-methyl-1,4-naphthoquinone
481-42-5

5-hydroxy-2-methyl-1,4-naphthoquinone

Conditions
ConditionsYield
With aluminium trichloride90%
With aluminium trichloride In dichloromethane 1.) 1 h, room temp., 2.) 15 min, water;90%
With aluminium trichloride In dichloromethane at 20℃; for 2h;75%
diomuscinone

diomuscinone

5-hydroxy-2-methyl-1,4-naphthoquinone
481-42-5

5-hydroxy-2-methyl-1,4-naphthoquinone

Conditions
ConditionsYield
With sodium hydride In tetrahydrofuran for 15h; Ambient temperature;82%
2-Methyl-1,5-naphthalindiol-5-acetat
116752-27-3

2-Methyl-1,5-naphthalindiol-5-acetat

5-hydroxy-2-methyl-1,4-naphthoquinone
481-42-5

5-hydroxy-2-methyl-1,4-naphthoquinone

Conditions
ConditionsYield
With oxygen; methylene blue In methanol at 20℃; for 4h; Irradiation;69%
Multi-step reaction with 2 steps
1: 74 percent / aq. ON(SO3K)2, KH2PO4 / methanol / 2 h
2: 100 percent / conc. HCl / methanol / 1 h / 50 °C
View Scheme
menadione
58-27-5

menadione

5-hydroxy-2-methyl-1,4-naphthoquinone
481-42-5

5-hydroxy-2-methyl-1,4-naphthoquinone

Conditions
ConditionsYield
With [ruthenium(II)(η6-1-methyl-4-isopropyl-benzene)(chloride)(μ-chloride)]2; trifluoroacetic acid; trifluoroacetic anhydride; bis-[(trifluoroacetoxy)iodo]benzene at 80℃; for 12h; Sealed tube; chemoselective reaction;61%
With ammonium peroxydisulfate; sulfuric acid
5-acetyloxy-3-bromo-2-methyl-1,4-naphthoquinone
101927-36-0

5-acetyloxy-3-bromo-2-methyl-1,4-naphthoquinone

Bu3SnH

Bu3SnH

5-hydroxy-2-methyl-1,4-naphthoquinone
481-42-5

5-hydroxy-2-methyl-1,4-naphthoquinone

Conditions
ConditionsYield
at 145℃; for 12h;60%
1,8-Dihydroxy-3-methylnaphthalin
1130-61-6

1,8-Dihydroxy-3-methylnaphthalin

A

5-hydroxy-2-methyl-1,4-naphthoquinone
481-42-5

5-hydroxy-2-methyl-1,4-naphthoquinone

B

7-methyljuglone
14787-38-3

7-methyljuglone

Conditions
ConditionsYield
With salcomine; oxygen In N,N-dimethyl-formamide at 20℃; for 1h; Inert atmosphere;A 51%
B 30%
2-bromo-5-hydroxy-[1,4]naphthoquinone
69008-03-3

2-bromo-5-hydroxy-[1,4]naphthoquinone

<2,6-dimethoxy-4-methylphenyl>trimethylstannane
126421-39-4

<2,6-dimethoxy-4-methylphenyl>trimethylstannane

A

5-hydroxy-2-methyl-1,4-naphthoquinone
481-42-5

5-hydroxy-2-methyl-1,4-naphthoquinone

B

2-(2,6-Dimethoxy-4-methylphenyl)-5-hydroxy-1,4-naphthoquinone
137057-03-5

2-(2,6-Dimethoxy-4-methylphenyl)-5-hydroxy-1,4-naphthoquinone

Conditions
ConditionsYield
tetrakis(triphenylphosphine) palladium(0) In 1,4-dioxane for 3h; Heating;A 6%
B 46%
2-bromo-5-hydroxy-[1,4]naphthoquinone
69008-03-3

2-bromo-5-hydroxy-[1,4]naphthoquinone

lithium dimethylcuprate
15681-48-8

lithium dimethylcuprate

5-hydroxy-2-methyl-1,4-naphthoquinone
481-42-5

5-hydroxy-2-methyl-1,4-naphthoquinone

Conditions
ConditionsYield
In tetrahydrofuran at -78℃;42%
1-methoxy-2-methyl-4,5-naphthylene diacetate
848141-72-0

1-methoxy-2-methyl-4,5-naphthylene diacetate

A

5-hydroxy-2-methyl-1,4-naphthoquinone
481-42-5

5-hydroxy-2-methyl-1,4-naphthoquinone

B

8,8'-dihydroxy-3,3'-dimethyl[2,2']binaphthalenyl-1,4,1',4'-tetraone
34341-27-0

8,8'-dihydroxy-3,3'-dimethyl[2,2']binaphthalenyl-1,4,1',4'-tetraone

Conditions
ConditionsYield
Stage #1: 1-methoxy-2-methyl-4,5-naphthylene diacetate With potassium hydroxide In methanol for 0.5h; Heating;
Stage #2: With lead dioxide In chloroform for 0.5h; Heating;
A 23%
B 0.3%
1,5-Dihydroxy-2-methylnaphthalin
79786-99-5

1,5-Dihydroxy-2-methylnaphthalin

A

5-hydroxy-2-methyl-1,4-naphthoquinone
481-42-5

5-hydroxy-2-methyl-1,4-naphthoquinone

B

5-hydroxy-6-methyl-1,4-naphthoquinone
60011-38-3

5-hydroxy-6-methyl-1,4-naphthoquinone

Conditions
ConditionsYield
With potassium dihydrogenphosphate; potassium nitrososulfonate In methanol for 2h;A n/a
B 15%
With potassium dihydrogenphosphate; potassium nitrososulfonate In methanol for 2h;A n/a
B 15%
(3R,4R)-4,8-dihydroxy-3-methyl-3,4-dihydro-1(2H)-naphthalenone
39626-94-3, 72058-77-6, 92694-13-8, 39626-91-0

(3R,4R)-4,8-dihydroxy-3-methyl-3,4-dihydro-1(2H)-naphthalenone

A

5-hydroxy-2-methyl-1,4-naphthoquinone
481-42-5

5-hydroxy-2-methyl-1,4-naphthoquinone

B

1,2(3)-tetrahydro-3,3'-biplumbagin

1,2(3)-tetrahydro-3,3'-biplumbagin

Conditions
ConditionsYield
With 2,3-dicyano-5,6-dichloro-p-benzoquinone In 1,4-dioxane for 12h; Heating;A n/a
B 0.005%
With 2,3-dicyano-5,6-dichloro-p-benzoquinone In 1,4-dioxane for 12h; Heating;
ethanol
64-17-5

ethanol

5-hydroxy-2-methyl-[1,4]naphthoquinone; compound with hydroquinone

5-hydroxy-2-methyl-[1,4]naphthoquinone; compound with hydroquinone

A

5-hydroxy-2-methyl-1,4-naphthoquinone
481-42-5

5-hydroxy-2-methyl-1,4-naphthoquinone

B

hydroquinone
123-31-9

hydroquinone

ethanol
64-17-5

ethanol

5-hydroxy-2-methyl-[1,4]naphthoquinone; compound with naphthol-(1)

5-hydroxy-2-methyl-[1,4]naphthoquinone; compound with naphthol-(1)

A

α-naphthol
90-15-3

α-naphthol

B

5-hydroxy-2-methyl-1,4-naphthoquinone
481-42-5

5-hydroxy-2-methyl-1,4-naphthoquinone

2-methyl-1,4,5-naphthalenetriol
58274-93-4

2-methyl-1,4,5-naphthalenetriol

5-hydroxy-2-methyl-1,4-naphthoquinone
481-42-5

5-hydroxy-2-methyl-1,4-naphthoquinone

Conditions
ConditionsYield
With dihydrogen peroxide
5-hydroxy-2-methyl-[1,4]naphthoquinone; compound with hydroquinone

5-hydroxy-2-methyl-[1,4]naphthoquinone; compound with hydroquinone

acetic acid
64-19-7

acetic acid

A

5-hydroxy-2-methyl-1,4-naphthoquinone
481-42-5

5-hydroxy-2-methyl-1,4-naphthoquinone

B

hydroquinone
123-31-9

hydroquinone

5-hydroxy-2-methyl-[1,4]naphthoquinone; compound with naphthol-(1)

5-hydroxy-2-methyl-[1,4]naphthoquinone; compound with naphthol-(1)

acetic acid
64-19-7

acetic acid

A

α-naphthol
90-15-3

α-naphthol

B

5-hydroxy-2-methyl-1,4-naphthoquinone
481-42-5

5-hydroxy-2-methyl-1,4-naphthoquinone

(3R,4R)-4,8-dihydroxy-3-methyl-3,4-dihydro-1(2H)-naphthalenone
39626-94-3, 72058-77-6, 92694-13-8, 39626-91-0

(3R,4R)-4,8-dihydroxy-3-methyl-3,4-dihydro-1(2H)-naphthalenone

5-hydroxy-2-methyl-1,4-naphthoquinone
481-42-5

5-hydroxy-2-methyl-1,4-naphthoquinone

Conditions
ConditionsYield
With 2,3-dicyano-5,6-dichloro-p-benzoquinone In 1,4-dioxane for 18h; Heating;22 mg
With pyridine; chromium(VI) oxide In chloroform for 24h;
plumbazeylanone
94410-15-8

plumbazeylanone

A

5-hydroxy-2-methyl-1,4-naphthoquinone
481-42-5

5-hydroxy-2-methyl-1,4-naphthoquinone

B

methylene-3,3'-diplumbagin
58275-00-6

methylene-3,3'-diplumbagin

Conditions
ConditionsYield
at 240℃; under 4.5 Torr; for 0.0833333h;
(4aR,5R,8aR)-4a-Chloro-2-methyl-5-trimethylsilanyloxy-4a,5,8,8a-tetrahydro-[1,4]naphthoquinone

(4aR,5R,8aR)-4a-Chloro-2-methyl-5-trimethylsilanyloxy-4a,5,8,8a-tetrahydro-[1,4]naphthoquinone

5-hydroxy-2-methyl-1,4-naphthoquinone
481-42-5

5-hydroxy-2-methyl-1,4-naphthoquinone

Conditions
ConditionsYield
With chromium(VI) oxide; acetic acid for 1.5h; Heating; Yield given;
5-hydroxynaphtho-1,4-quinone
481-39-0

5-hydroxynaphtho-1,4-quinone

acetic acid
64-19-7

acetic acid

A

5-hydroxy-2-methyl-1,4-naphthoquinone
481-42-5

5-hydroxy-2-methyl-1,4-naphthoquinone

B

isoplumbagin
14777-17-4

isoplumbagin

C

2,3-dimethyl-5-hydroxy-1,4-naphthoquinone
80596-51-6

2,3-dimethyl-5-hydroxy-1,4-naphthoquinone

Conditions
ConditionsYield
With ammonium peroxydisulfate; silver nitrate 1.) Acetonitril, 80 deg C, 2.) H2O, Rueckfluss, 2 h; Multistep reaction;
1,4,5-Triacetoxy-8-chlor-2-methylnaphthalin
89475-06-9

1,4,5-Triacetoxy-8-chlor-2-methylnaphthalin

5-hydroxy-2-methyl-1,4-naphthoquinone
481-42-5

5-hydroxy-2-methyl-1,4-naphthoquinone

Conditions
ConditionsYield
Yield given. Multistep reaction;
2-methyl-5-amino-1,4-naphthoquinone
116415-35-1

2-methyl-5-amino-1,4-naphthoquinone

5-hydroxy-2-methyl-1,4-naphthoquinone
481-42-5

5-hydroxy-2-methyl-1,4-naphthoquinone

Conditions
ConditionsYield
With nitrosylsulfuric acid; sulfuric acid; water 1.) 4 h, 2.) 2 h, reflux; Yield given. Multistep reaction;
Multi-step reaction with 2 steps
1: 48 percent / NaNO2 / 3 h / Heating
2: 1.) ON(SO3K)2, 0.167 M K2HPO4, 2.) H2O / 1.) 4 h, 2.) 2 h, reflux
View Scheme
5-Acetamido-2-methyl-1,4-naphthochinon
116415-36-2

5-Acetamido-2-methyl-1,4-naphthochinon

5-hydroxy-2-methyl-1,4-naphthoquinone
481-42-5

5-hydroxy-2-methyl-1,4-naphthoquinone

Conditions
ConditionsYield
With dipotassium hydrogenphosphate; potassium nitrososulfonate; water 1.) 4 h, 2.) 2 h, reflux; Yield given. Multistep reaction;
(S)-4,8-Dihydroxy-3-methyl-3,4-dihydro-2H-naphthalen-1-one

(S)-4,8-Dihydroxy-3-methyl-3,4-dihydro-2H-naphthalen-1-one

5-hydroxy-2-methyl-1,4-naphthoquinone
481-42-5

5-hydroxy-2-methyl-1,4-naphthoquinone

Conditions
ConditionsYield
With 2,3-dicyano-5,6-dichloro-p-benzoquinone In 1,4-dioxane for 8h; Heating;
(-)-5-hydroxy-2-methyl-2,3-dihydro-1,4-naphthoquinone

(-)-5-hydroxy-2-methyl-2,3-dihydro-1,4-naphthoquinone

5-hydroxy-2-methyl-1,4-naphthoquinone
481-42-5

5-hydroxy-2-methyl-1,4-naphthoquinone

Conditions
ConditionsYield
With chromium(VI) oxide; sulfuric acid In sodium hydroxide for 0.0333333h;12 mg
rel-(10S,1S,4R,4aS,9aR)-5,10-Dihydroxy-5,10-di-O-isopropylidene-1,4-methano-9a-methyl-9-oxo-1,4,4a,9,9a,10-hexahydroanthracene

rel-(10S,1S,4R,4aS,9aR)-5,10-Dihydroxy-5,10-di-O-isopropylidene-1,4-methano-9a-methyl-9-oxo-1,4,4a,9,9a,10-hexahydroanthracene

5-hydroxy-2-methyl-1,4-naphthoquinone
481-42-5

5-hydroxy-2-methyl-1,4-naphthoquinone

Conditions
ConditionsYield
With hydrogenchloride; iron(III) chloride 1.) toluene, 270 deg C, 30 min, 2.) MeOH, 3 h; Yield given. Multistep reaction;
5-hydroxy-2-methyl-1,4-naphthoquinone
481-42-5

5-hydroxy-2-methyl-1,4-naphthoquinone

methyl iodide
74-88-4

methyl iodide

2-methyl-5-methoxy-1,4-naphthoquinone
22266-99-5

2-methyl-5-methoxy-1,4-naphthoquinone

Conditions
ConditionsYield
With silver(l) oxide In dichloromethane at 20℃; for 48h; Inert atmosphere;99%
With silver(l) oxide94%
With silver(l) oxide In chloroform Ambient temperature;93%
5-hydroxy-2-methyl-1,4-naphthoquinone
481-42-5

5-hydroxy-2-methyl-1,4-naphthoquinone

n-hexadecanoyl chloride
112-67-4

n-hexadecanoyl chloride

plumbagin palmitate

plumbagin palmitate

Conditions
ConditionsYield
Stage #1: 5-hydroxy-2-methyl-1,4-naphthoquinone With triethylamine In diethyl ether at 20℃; for 0.5h;
Stage #2: n-hexadecanoyl chloride In diethyl ether at 20℃; for 1h;
99%
n-dodecanoyl chloride
112-16-3

n-dodecanoyl chloride

5-hydroxy-2-methyl-1,4-naphthoquinone
481-42-5

5-hydroxy-2-methyl-1,4-naphthoquinone

5-dodecanoyloxy-2-methyl-1,4-naphthoquinone

5-dodecanoyloxy-2-methyl-1,4-naphthoquinone

Conditions
ConditionsYield
Stage #1: 5-hydroxy-2-methyl-1,4-naphthoquinone With triethylamine In diethyl ether at 20℃; for 0.5h;
Stage #2: n-dodecanoyl chloride In diethyl ether at 20℃; for 1h;
98%
5-hydroxy-2-methyl-1,4-naphthoquinone
481-42-5

5-hydroxy-2-methyl-1,4-naphthoquinone

tetradecanoyl chloride
112-64-1

tetradecanoyl chloride

plumbagin myristate

plumbagin myristate

Conditions
ConditionsYield
Stage #1: 5-hydroxy-2-methyl-1,4-naphthoquinone With triethylamine In diethyl ether at 20℃; for 0.5h;
Stage #2: tetradecanoyl chloride In diethyl ether at 20℃; for 1h;
98%
5-hydroxy-2-methyl-1,4-naphthoquinone
481-42-5

5-hydroxy-2-methyl-1,4-naphthoquinone

Stearoyl chloride
112-76-5

Stearoyl chloride

5-octadecanoyloxy-2-methyl-1,4-naphthoquinone

5-octadecanoyloxy-2-methyl-1,4-naphthoquinone

Conditions
ConditionsYield
Stage #1: 5-hydroxy-2-methyl-1,4-naphthoquinone With triethylamine In diethyl ether at 20℃; for 0.5h;
Stage #2: Stearoyl chloride In diethyl ether at 20℃; for 1h;
96%
(Z)-9-octadecenoyl chloride
112-77-6

(Z)-9-octadecenoyl chloride

5-hydroxy-2-methyl-1,4-naphthoquinone
481-42-5

5-hydroxy-2-methyl-1,4-naphthoquinone

5-{(Z)-octadecenylalkanoyloxy}-2-methyl-1,4-naphthoquinone

5-{(Z)-octadecenylalkanoyloxy}-2-methyl-1,4-naphthoquinone

Conditions
ConditionsYield
Stage #1: 5-hydroxy-2-methyl-1,4-naphthoquinone With triethylamine In diethyl ether at 20℃; for 0.5h;
Stage #2: (Z)-9-octadecenoyl chloride In diethyl ether at 20℃; for 1h;
96%
5-hydroxy-2-methyl-1,4-naphthoquinone
481-42-5

5-hydroxy-2-methyl-1,4-naphthoquinone

acetic anhydride
108-24-7

acetic anhydride

6-methyl-5,8-dioxo-5,8-dihydronaphthalen-1-yl acetate
116752-29-5

6-methyl-5,8-dioxo-5,8-dihydronaphthalen-1-yl acetate

Conditions
ConditionsYield
With pyridine for 2h; Ambient temperature;94%
With pyridine at 20℃; for 10h;93%
With pyridine at 20℃; for 4h;90%
With triethylamine In diethyl ether at 20℃; for 0.5h;
5-hydroxy-2-methyl-1,4-naphthoquinone
481-42-5

5-hydroxy-2-methyl-1,4-naphthoquinone

chloromethyl methyl ether
107-30-2

chloromethyl methyl ether

5-methoxymethoxy-2-methyl-1,4-naphthoquinone
106914-49-2

5-methoxymethoxy-2-methyl-1,4-naphthoquinone

Conditions
ConditionsYield
Stage #1: 5-hydroxy-2-methyl-1,4-naphthoquinone With sodium hydride In N,N-dimethyl-formamide; paraffin oil at 0℃; for 0.0833333h;
Stage #2: chloromethyl methyl ether In 1,2-dimethoxyethane; paraffin oil at 0℃; for 1.5h;
94%
With potassium carbonate In acetone
1-bromo-4-(2-vinylbuta-1,3-dienyl)benzene
906351-28-8

1-bromo-4-(2-vinylbuta-1,3-dienyl)benzene

5-hydroxy-2-methyl-1,4-naphthoquinone
481-42-5

5-hydroxy-2-methyl-1,4-naphthoquinone

(4aRS,9aSR)-1-(4-bromophenyl)-5-hydroxy-9a-methyl-2-vinyl-1,4,4a,9a-tetrahydroanthracene-9,10-dione

(4aRS,9aSR)-1-(4-bromophenyl)-5-hydroxy-9a-methyl-2-vinyl-1,4,4a,9a-tetrahydroanthracene-9,10-dione

Conditions
ConditionsYield
With boron trifluoride diethyl etherate In dichloromethane at -35℃; Diels-Alder Cycloaddition; Inert atmosphere;92%
With boron trifluoride diethyl etherate In dichloromethane at -30℃; Diels-Alder reaction;
5-hydroxy-2-methyl-1,4-naphthoquinone
481-42-5

5-hydroxy-2-methyl-1,4-naphthoquinone

propionic acid
802294-64-0

propionic acid

5-O-propionoyl-2-methyl-1,4-naphthoquinone
1238220-30-8

5-O-propionoyl-2-methyl-1,4-naphthoquinone

Conditions
ConditionsYield
With dmap; 2-methyl-6-nitrobenzoic anhydride; triethylamine In dichloromethane at 20℃; for 2h;89%
5-hydroxy-2-methyl-1,4-naphthoquinone
481-42-5

5-hydroxy-2-methyl-1,4-naphthoquinone

N-sulfinyl-4-methylaniline
15795-42-3

N-sulfinyl-4-methylaniline

5-hydroxy-2-methyl-4-(4-methylphenyl)imino-1,4-dihydronaphthalen-1-one

5-hydroxy-2-methyl-4-(4-methylphenyl)imino-1,4-dihydronaphthalen-1-one

Conditions
ConditionsYield
In benzene for 72h; Ambient temperature;87%
5-hydroxy-2-methyl-1,4-naphthoquinone
481-42-5

5-hydroxy-2-methyl-1,4-naphthoquinone

2,2,2-Trichloroethyl chloroformate
17341-93-4

2,2,2-Trichloroethyl chloroformate

O-trichloroethoxycarbonyl-plumbagone

O-trichloroethoxycarbonyl-plumbagone

Conditions
ConditionsYield
Stage #1: 5-hydroxy-2-methyl-1,4-naphthoquinone With pyridine In dichloromethane at 0℃; Inert atmosphere;
Stage #2: 2,2,2-Trichloroethyl chloroformate In dichloromethane
87%
5-hydroxy-2-methyl-1,4-naphthoquinone
481-42-5

5-hydroxy-2-methyl-1,4-naphthoquinone

ethyl iodide
75-03-6

ethyl iodide

plumbagin ethyl ether

plumbagin ethyl ether

Conditions
ConditionsYield
Stage #1: 5-hydroxy-2-methyl-1,4-naphthoquinone With potassium carbonate In acetone at 20℃; for 0.0833333h;
Stage #2: ethyl iodide In acetone at 80℃; for 1h;
87%
lauric acid
143-07-7

lauric acid

5-hydroxy-2-methyl-1,4-naphthoquinone
481-42-5

5-hydroxy-2-methyl-1,4-naphthoquinone

5-dodecanoyloxy-2-methyl-1,4-naphthoquinone

5-dodecanoyloxy-2-methyl-1,4-naphthoquinone

Conditions
ConditionsYield
With dmap; 2-methyl-6-nitrobenzoic anhydride; triethylamine In dichloromethane at 20℃;86%
5-hydroxy-2-methyl-1,4-naphthoquinone
481-42-5

5-hydroxy-2-methyl-1,4-naphthoquinone

5-hydroxy-6-iodo-2-methyl-1,4-naphthoquinone

5-hydroxy-6-iodo-2-methyl-1,4-naphthoquinone

Conditions
ConditionsYield
With N-iodo-succinimide; dichloro(pentamethylcyclopentadienyl)rhodium (III) dimer; copper diacetate; silver(I) triflimide In dichloromethane at 45℃; for 2h; Inert atmosphere; Sealed tube; Microwave irradiation;85%
copper(II) nitrate trihydrate

copper(II) nitrate trihydrate

5-hydroxy-2-methyl-1,4-naphthoquinone
481-42-5

5-hydroxy-2-methyl-1,4-naphthoquinone

4'-phenyl-2,2':6',2-terpyridine
58345-97-4

4'-phenyl-2,2':6',2-terpyridine

[Cu(4'‐phenyl‐2,2':6',2''‐terpyridine)(plum)]NO3

[Cu(4'‐phenyl‐2,2':6',2''‐terpyridine)(plum)]NO3

Conditions
ConditionsYield
Stage #1: copper(II) nitrate trihydrate; 4'-phenyl-2,2':6',2-terpyridine In methanol; chloroform at 20℃; for 1h;
Stage #2: 5-hydroxy-2-methyl-1,4-naphthoquinone With triethylamine In methanol; chloroform for 0.5h; Cooling with ice;
84%
1,10-Phenanthroline
66-71-7

1,10-Phenanthroline

5-hydroxy-2-methyl-1,4-naphthoquinone
481-42-5

5-hydroxy-2-methyl-1,4-naphthoquinone

copper(I) bromide
7787-70-4

copper(I) bromide

C23H15BrCuN2O3*CH4O

C23H15BrCuN2O3*CH4O

Conditions
ConditionsYield
With sodium methylate In methanol at 20℃; for 2.5h; Reflux;81%
5-hydroxy-2-methyl-1,4-naphthoquinone
481-42-5

5-hydroxy-2-methyl-1,4-naphthoquinone

2-bromoethyl phenyl selenide
50630-23-4

2-bromoethyl phenyl selenide

C19H16O3Se

C19H16O3Se

Conditions
ConditionsYield
With silver nitrate In acetonitrile at 20℃; for 1h;81%
5-hydroxy-2-methyl-1,4-naphthoquinone
481-42-5

5-hydroxy-2-methyl-1,4-naphthoquinone

(5Z,8Z,11Z,14Z,17Z)-eicosa-5,8,11,14,17-pentaenoyl chloride
98770-65-1

(5Z,8Z,11Z,14Z,17Z)-eicosa-5,8,11,14,17-pentaenoyl chloride

5-eicosapentaenoyloxy-2-methyl-1,4-naphthoquinone

5-eicosapentaenoyloxy-2-methyl-1,4-naphthoquinone

Conditions
ConditionsYield
With pyridine; dmap at 20℃; for 4h; Inert atmosphere;80%
5-hydroxy-2-methyl-1,4-naphthoquinone
481-42-5

5-hydroxy-2-methyl-1,4-naphthoquinone

4-chloro-3-trifluoromethyl-aniline
320-51-4

4-chloro-3-trifluoromethyl-aniline

3-(4-chloro-3-trifluoromethyl-phenylamino)-5-hydroxy-2-methyl-[1,4]naphthoquinone

3-(4-chloro-3-trifluoromethyl-phenylamino)-5-hydroxy-2-methyl-[1,4]naphthoquinone

Conditions
ConditionsYield
With trifluoroacetic acid In methanol for 6h; Reflux;80%
5-hydroxy-2-methyl-1,4-naphthoquinone
481-42-5

5-hydroxy-2-methyl-1,4-naphthoquinone

3-chloro-4-trifluoromethoxy-aniline
64628-73-5

3-chloro-4-trifluoromethoxy-aniline

3-(3-chloro-4-trifluoromethoxy-phenylamino)-5-hydroxy-2-methyl-[1,4]naphthoquinone

3-(3-chloro-4-trifluoromethoxy-phenylamino)-5-hydroxy-2-methyl-[1,4]naphthoquinone

Conditions
ConditionsYield
With trifluoroacetic acid In methanol for 6h; Reflux;80%
5-hydroxy-2-methyl-1,4-naphthoquinone
481-42-5

5-hydroxy-2-methyl-1,4-naphthoquinone

dimethyltin(IV) diisopropoxide
26900-62-9

dimethyltin(IV) diisopropoxide

(CH3)2Sn(C10H4O2(O)CH3)2

(CH3)2Sn(C10H4O2(O)CH3)2

Conditions
ConditionsYield
In benzene byproducts: isopropanol; addn. of ligand to tin compd. soln. (ratio 2/1); refluxing; azeotropically fractionating, 3-5h; evapn.; crystn. (benzene or benzene/hexane 1/1); elem. anal.;79%
bis(isopropoxy)diphenyltin(IV)

bis(isopropoxy)diphenyltin(IV)

5-hydroxy-2-methyl-1,4-naphthoquinone
481-42-5

5-hydroxy-2-methyl-1,4-naphthoquinone

(C6H5)2Sn(C10H4O2(O)CH3)2

(C6H5)2Sn(C10H4O2(O)CH3)2

Conditions
ConditionsYield
In benzene byproducts: isopropanol; addn. of ligand to tin compd. soln. (ratio 2/1); refluxing; azeotropically fractionating, 3-5h; evapn.; crystn. (benzene or benzene/hexane 1/1); elem. anal.;79%
1,10-Phenanthroline
66-71-7

1,10-Phenanthroline

copper(II) nitrate trihydrate

copper(II) nitrate trihydrate

5-hydroxy-2-methyl-1,4-naphthoquinone
481-42-5

5-hydroxy-2-methyl-1,4-naphthoquinone

C23H15CuN2O3(1+)*NO3(1-)*0.25H2O

C23H15CuN2O3(1+)*NO3(1-)*0.25H2O

Conditions
ConditionsYield
With sodium methylate In methanol at 20℃; for 2.5h; Reflux;79%
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