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LEAP CHEM Co., Ltd.

Best Seller, High Quality, Competitive Price, Fast Delivery, Quick ResponseAppearance:powder, or liquid Storage:Stored in room temperature, ventilated place Package:Bottle, barrel, cargo, container, etc. Application:Pharmaceuticals, intermediates, AP

Menadione

Cas:58-27-5

Min.Order:0

Negotiable

Type:Trading Company

inquiry

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

Menadione Manufacturer/High quality/Best price/In stock

Cas:58-27-5

Min.Order:1 Kilogram

FOB Price: $3.0

Type:Lab/Research institutions

inquiry

Hangzhou Dingyan Chem Co., Ltd

The melting point of 105-108 ° C Solubility in water INSOLUBLE Feed additive raw material mainly promotes the synthesis of coagulase in animal liver and promotes the synthesis of plasma coagulation factor in liver. ---------------------

High quality 2-Methyl-1,4-naphthoquinone with best price cas:58-27-5

Cas:58-27-5

Min.Order:1 Kilogram

FOB Price: $110.0 / 160.0

Type:Manufacturers

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 Vitamin K3 supplier in China

Cas:58-27-5

Min.Order:25 Kilogram

Negotiable

Type:Manufacturers

inquiry

Hebei yanxi chemical co.,LTD.

Hebei yanxi chemical co., LTD is a professional research, development and production 2-phenylacetamide enterprise backbone members by local well-known entrepreneurs and professional senior engineers in the party's "low carbon environ

Menadione CAS NO.58-27-5

Cas:58-27-5

Min.Order:100 Gram

FOB Price: $2.0

Type:Manufacturers

inquiry

Wuhan Fortuna Chemical Co.,Ltd

1. Guaranteed purity; 2. Large quantity in stock; 3. Largest manufacturer; 4. Best service after shipment with email; 5. High quality & competitive price; ...... Appearance:Yellow Crystals Storage:Store at RT Package:1kg/foil bag; 1kg

Fortuna Supply Menadione/ Vitamin K3 CAS 58-27-5 with high quality

Cas:58-27-5

Min.Order:10 Kilogram

FOB Price: $300.0

Type:Trading Company

inquiry

Xi'an Quanao Biotech Co., Ltd.

Xi’an Quanao Biotech Co., Ltd. with 18 years experience in plant extract filed. Product grade: Medicine, Health care product, Cosmetics, Food, Beverage, Feed. Hot selling market: Europe, North America, South America, Middle East, Asia Pacifi

Manufacturers Supply Menadione Powder Vitamin K3 / VK3 cas:58-27-5

Cas:58-27-5

Min.Order:1 Kilogram

FOB Price: $8.0 / 19.0

Type:Manufacturers

inquiry

Hefei TNJ chemical industry co.,ltd

1, Full experience of large numbers containers loading in main Chinese seaports 2, Packing with pallet as buyer's special request 3, Best service after shipment with e-mail 4, Cargoes together with container sales service available

Top quality CAS 58-27-5 / Vitamine K3 / Menadione

Cas:58-27-5

Min.Order:25 Kilogram

Negotiable

Type:Trading Company

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 Menadione

Cas:58-27-5

Min.Order:1

Negotiable

Type:Other

inquiry

EAST CHEMSOURCES LIMITED

At present, the main application is as feed additives, fungicides, and pharmaceutical intermediates Appearance:Bright yellow crystalline powder Storage:Store in a cool, dry, well ventilated warehouse. Package:25kg cardboard drum Application:At pres

High quality Chinese supplier Vitamin K3( Menadione Sodium Bisulfate )

Cas:58-27-5

Min.Order:1 Metric Ton

Negotiable

Type:Manufacturers

inquiry

Kono Chem Co.,Ltd

CAS No.: 58-27-5 Other Names: Vitamin k3 Menadione sodium bisulfite MF: C11H8O2 EINECS No.: N/A Place of Origin: China (Mainland) Type: Antibiotic and Antimi

High quality Menadione CAS 58-27-5 with best price

Cas:58-27-5

Min.Order:1 Kilogram

FOB Price: $260.0 / 300.0

Type:Other

inquiry

Wuhan Kemi-Works Chemical Co., Ltd

Product name:Vitamin K3(2-Methyl-1,4-naphthoquinone ) MF: C11H8O2 1.We have been specializing in special fine chemical for long, with strong R&D strength. 2.ISO9001. 3.We have been cooperating with oversea from Europe, USA, Korea, Japan

Menadione

Cas:58-27-5

Min.Order:10 Kilogram

Negotiable

Type:Other

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

Factory Price API 99% Menadione 58-27-5 GMP Manufacturer

Cas:58-27-5

Min.Order:1 Gram

FOB Price: $0.1

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 day 2. The products are provided with COA, HPLC, NMR, quality assurance,

VK3

Cas:58-27-5

Min.Order:10 Metric Ton

Negotiable

Type:Manufacturers

inquiry

COLORCOM LTD.

Colorcom is a global leader in industrial chemical manufacturing and is continuously innovating and transforming to exceed client expectations and industry standards. Colorcom prides itself on superior customer and technical focus, while focusing on

Vitamin K3

Cas:58-27-5

Min.Order:1 Metric Ton

Negotiable

Type:Manufacturers

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

Menadione

Cas:58-27-5

Min.Order:5 Kiloliter

FOB Price: $1.2 / 5.0

Type:Manufacturers

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

Menadione

Cas:58-27-5

Min.Order:1 Kilogram

FOB Price: $9.0 / 99.0

Type:Trading Company

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.

Menadione,cas::58-27-5

Cas:58-27-5

Min.Order:1 Kilogram

Negotiable

Type:Lab/Research institutions

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 production CAS 58-27-5 with best quality

Cas:58-27-5

Min.Order:1 Kilogram

FOB Price: $139.0 / 210.0

Type:Trading Company

inquiry

Henan Sinotech Import&Export Corporation

Product Name Vitamin K3(Menadione) CAS 58-27-5 Color White powder Specification 98% Appearance:White powder Storage:Store in cool an

Vitamin K3

Cas:58-27-5

Min.Order:1 Kilogram

FOB Price: $1.0

Type:Other

inquiry

Henan Wentao Chemical Product Co., Ltd.

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 etc. 3) oem/odm available; 4) rea

2-METHYL-1,4-NAPHTHAQUINONECAS NO.:58-27-5

Cas:58-27-5

Min.Order:1 Gram

FOB Price: $2.0

Type:Lab/Research institutions

inquiry

Hubei Langyou International Trading Co., Ltd

Our Adwantage: 1.We have stock so we can delivery quickly at the very day when receive the payment. 2.Best price, first class service, high successful delivery rate. A discount would be given when you make a large order. 3.High quality gua

Pharmaceutical Intermediates 99% Powder Menadione CAS 58-27-5

Cas:58-27-5

Min.Order:2 Gram

Negotiable

Type:Other

inquiry

Shanghai Upbio Tech Co.,Ltd

1,In No Less five years exporting experience. 2.Lower Price with higher quality 3,Free sample 4,We are sincerely responsible for the "product quality" and "After Service" Onchem specialized in APIs, chemical intermediate

Top supplier Menadione 99%

Cas:58-27-5

Min.Order:1 Kilogram

Negotiable

Type:Lab/Research institutions

inquiry

HANWAYS CHEMPHARM CO.,LIMITED

1.Prompt Goods; 2.Flexible payment terms; 3.Documents & Certificate support. Name: :Menadione Structure: Formula: C11H8O2Molecular Weight : 172.18 Synonyms: enadione (1.05793);weishengsK3;Phytomenadione EP Impurity A;MenadioneForBiochemis

Vitamin K3

Cas:58-27-5

Min.Order:1 Kilogram

Negotiable

Type:Trading Company

inquiry

Xi'an Faithful Biotech Co., Ltd.

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

99% Purity Vitamin K3 powder Feed Additive Vitamin K3 raw Powder raw material Vitamin K3 powder

Cas:58-27-5

Min.Order:10 Gram

FOB Price: $3.5

Type:Trading Company

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 prese

Menadione/CAs:58-27-5

Cas:58-27-5

Min.Order:5 Gram

FOB Price: $30.0

Type:Trading Company

inquiry

Qingdao Beluga Import and Export Co., LTD

Menadione CAS: 58-27-5 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

Menadione CAS: 58-27-5

Cas:58-27-5

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

2-METHYLNAPHTHOQUINONE

Cas:58-27-5

Min.Order:1 Kilogram

Negotiable

Type:Lab/Research institutions

inquiry

Hunan chemfish Pharmaceutical co.,Ltd

FDA/FAMI-QS/HALAL Appearance:yellowish crystalline powder Package:as client requirement Application:Precursor to verious types of Vitamin K. Used as a micronutrient for livestock and pet foods. Transportation:Express, Air ,Sea Port:Any port of Chin

Vitamin K3 MNB96%

Cas:58-27-5

Min.Order:0 Metric Ton

Negotiable

Type:Manufacturers

inquiry

Wuhan Wonda Pharm Limited

1.High Quality: Quality is life. Quality is the most important element for all goods. We have a lab doing research in Wuhan China and produce sarms in bulk quantity. We have 8 years experience making all kinds of sarms. And all our old customers

Factory supply USP Menadione/ Vitamin K3 Cas 58-27-5 with high quality and best price

Cas:58-27-5

Min.Order:100 Gram

Negotiable

Type:Lab/Research institutions

inquiry

Synthetic route

2-methyl-1,4-naphthohydroquinone
481-85-6

2-methyl-1,4-naphthohydroquinone

menadione
58-27-5

menadione

Conditions
ConditionsYield
With iodate form of Amberlyst A26 In dichloromethane at 20℃; for 2h; further reagent;100%
With sulfuric acid; sodium bromide In dichloromethane; water at 15℃; for 2.98h; Electrolysis;99%
With carbon dioxide; oxygen In water at 35 - 60℃; under 57005.7 - 62256.2 Torr; for 0.0833333h; Autoclave;96%
2-methylnaphthalen-1-ol
7469-77-4

2-methylnaphthalen-1-ol

menadione
58-27-5

menadione

Conditions
ConditionsYield
With Co(salN-Medpt); oxygen In acetonitrile for 0.5h;100%
Stage #1: 2-methylnaphthalen-1-ol In acetonitrile at 74.84℃;
Stage #2: With dihydrogen peroxide In acetonitrile for 0.75h; Reflux; chemoselective reaction;
97.3%
With sulfuric acid; dihydrogen peroxide In water at 36 - 40℃; for 6h; Temperature; Solvent; Green chemistry;94.7%
2-Methylnaphthalene
91-57-6

2-Methylnaphthalene

menadione
58-27-5

menadione

Conditions
ConditionsYield
With dihydrogen peroxide; acetic acid In water at 75℃; for 5h; Product distribution / selectivity;100%
With C69H63Cl6N3O9(3-)*1.5Cu(2+); acetic acid In water at 40 - 100℃; for 14h; Catalytic behavior; Reagent/catalyst; Temperature; Concentration;93%
With dihydrogen peroxide; acetic acid In acetonitrile Catalytic behavior; Solvent; Reflux;93%
2-methyl-5,6,9,10-tetrahydro-1,4-naphthoquinone

2-methyl-5,6,9,10-tetrahydro-1,4-naphthoquinone

menadione
58-27-5

menadione

Conditions
ConditionsYield
With palladium 10% on activated carbon In acetone for 24h; Reflux; Inert atmosphere;100%
With sodium dichromate; sulfuric acid; acetic acid a) 80-90 deg C, 1 h, b) RT, 12 h;93%
With manganese(II) bromide; copper(I) bromide In dimethyl sulfoxide at 85℃; under 600.06 Torr; for 26h; Temperature;91.3%
C11H10O2
92071-59-5

C11H10O2

menadione
58-27-5

menadione

Conditions
ConditionsYield
With palladium 10% on activated carbon In acetone Reflux;100%
Hykinone
130-37-0

Hykinone

menadione
58-27-5

menadione

Conditions
ConditionsYield
With sodium hydroxide In chloroform; water at 20℃; Product distribution / selectivity;100%
With water; sodium carbonate at 25℃; for 120h; Time;
2-methyl-5,8-dihydro-1,4-naphthalenediol
3090-46-8

2-methyl-5,8-dihydro-1,4-naphthalenediol

menadione
58-27-5

menadione

Conditions
ConditionsYield
With carbon dioxide; oxygen In water at 37 - 80℃; under 60756.1 - 69757 Torr; for 0.125h; Pressure; Temperature; Autoclave;98.4%
With lithium perchlorate In acetonitrile; tert-butyl alcohol at 16 - 18℃; for 8.6h; electrolysis on Pt electrodes;94%
With chromium(VI) oxide; acetic acid at 20℃;
2-methyl-5,6,7,8-tetrahydronaphthalene-1,4-diol
16368-80-2

2-methyl-5,6,7,8-tetrahydronaphthalene-1,4-diol

menadione
58-27-5

menadione

Conditions
ConditionsYield
With carbon dioxide; oxygen In water at 37 - 80℃; under 58505.9 - 72007.2 Torr; for 0.111111h; Autoclave;95.7%
1,4-dimethoxy-2-methylnaphthalene
53772-19-3

1,4-dimethoxy-2-methylnaphthalene

menadione
58-27-5

menadione

Conditions
ConditionsYield
With ammonium cerium(IV) nitrate In acetonitrile at 20℃; for 0.166667h; Oxidation; Demethylation;94%
With bis-[(trifluoroacetoxy)iodo]benzene In methanol; water at 20℃; for 0.5h;92%
With tert.-butylhydroperoxide; poly(bis-1,2-phenylene) diselenide In tert-butyl alcohol at 80℃; for 12h;90%
With ammonium persulfate; silver nitrate In water; acetonitrile for 18h; Ambient temperature;56%
phthalic acid dimethyl ester
131-11-3

phthalic acid dimethyl ester

tert-butyl 3-cyanobutanoate

tert-butyl 3-cyanobutanoate

menadione
58-27-5

menadione

Conditions
ConditionsYield
Stage #1: phthalic acid dimethyl ester; tert-butyl 3-cyanobutanoate With potassium tert-butylate In toluene at 100 - 105℃; for 3h; Green chemistry;
Stage #2: With sodium hydroxide In water; toluene at 20 - 30℃; for 3h; Green chemistry;
Stage #3: With hydrogenchloride In water; toluene at 60℃; for 3h; pH=2 - 2.5; Green chemistry;
92.3%
di-tert-butyliminoxyl
33802-06-1

di-tert-butyliminoxyl

2-methyl-1,4-napthohydroquinone

2-methyl-1,4-napthohydroquinone

menadione
58-27-5

menadione

Conditions
ConditionsYield
92%
phthalic acid di(tert-butyl)ester
30448-43-2

phthalic acid di(tert-butyl)ester

tert-butyl 3-cyanobutanoate

tert-butyl 3-cyanobutanoate

menadione
58-27-5

menadione

Conditions
ConditionsYield
Stage #1: phthalic acid di(tert-butyl)ester; tert-butyl 3-cyanobutanoate With potassium tert-butylate In toluene at 100 - 105℃; for 3h; Green chemistry;
Stage #2: With sodium hydroxide In water; toluene at 20 - 30℃; for 3h; Green chemistry;
Stage #3: With hydrogenchloride In water; toluene at 60℃; for 3h; pH=2 - 2.5; Green chemistry;
91.9%
phthalic acid di(tert-butyl)ester
30448-43-2

phthalic acid di(tert-butyl)ester

C8H13NO2

C8H13NO2

menadione
58-27-5

menadione

Conditions
ConditionsYield
Stage #1: phthalic acid di(tert-butyl)ester; C8H13NO2 With potassium tert-butylate In 5,5-dimethyl-1,3-cyclohexadiene at 100 - 105℃; for 3h; Green chemistry;
Stage #2: With sodium hydroxide In 5,5-dimethyl-1,3-cyclohexadiene; water at 20 - 30℃; for 3h; Green chemistry;
Stage #3: With hydrogenchloride In 5,5-dimethyl-1,3-cyclohexadiene; water at 60℃; for 3h; pH=2 - 2.5; Green chemistry;
91.9%
phthalic acid dimethyl ester
131-11-3

phthalic acid dimethyl ester

methyl 3-cyanobutanoate

methyl 3-cyanobutanoate

menadione
58-27-5

menadione

Conditions
ConditionsYield
Stage #1: phthalic acid dimethyl ester; methyl 3-cyanobutanoate With sodium methylate In methanol; toluene at 90 - 100℃; for 3h; Green chemistry;
Stage #2: With sodium hydroxide In water; toluene at 20 - 30℃; for 3h; Green chemistry;
Stage #3: With hydrogenchloride In water; toluene at 60℃; for 3h; pH=2 - 2.5; Green chemistry;
90.7%
2-methyl-5,8-dihydro-1,4-naphthoquinone
82654-73-7

2-methyl-5,8-dihydro-1,4-naphthoquinone

menadione
58-27-5

menadione

Conditions
ConditionsYield
With lithium perchlorate In acetonitrile at 16 - 17℃; for 3.2h; electrolysis on Pt electrodes;90%
dimethyl sulfoxide
67-68-5

dimethyl sulfoxide

[1,4]naphthoquinone
130-15-4

[1,4]naphthoquinone

menadione
58-27-5

menadione

Conditions
ConditionsYield
In tert-butyl alcohol for 12h; Methylation; UV-irradiation;90%
rac-ethyl 3-cyanobutanoate
22584-00-5

rac-ethyl 3-cyanobutanoate

phthalic acid dimethyl ester
131-11-3

phthalic acid dimethyl ester

menadione
58-27-5

menadione

Conditions
ConditionsYield
Stage #1: rac-ethyl 3-cyanobutanoate; phthalic acid dimethyl ester With sodium ethanolate In methanol; toluene at 90 - 100℃; for 3h; Green chemistry;
Stage #2: With sodium hydroxide In water; toluene at 20 - 30℃; for 3h; Green chemistry;
Stage #3: With hydrogenchloride In water; toluene at 60℃; for 3h; pH=2 - 2.5; Green chemistry;
89%
phthalic acid dimethyl ester
131-11-3

phthalic acid dimethyl ester

C8H13NO2

C8H13NO2

menadione
58-27-5

menadione

Conditions
ConditionsYield
Stage #1: phthalic acid dimethyl ester; C8H13NO2 With sodium methylate In methanol; chlorobenzene at 90 - 100℃; for 3h; Green chemistry;
Stage #2: With sodium hydroxide In water; chlorobenzene at 20 - 30℃; for 3h; Green chemistry;
Stage #3: With hydrogenchloride In water; chlorobenzene at 60℃; for 3h; pH=2 - 2.5; Green chemistry;
88.3%
2-methylnaphthalen-1-ol
7469-77-4

2-methylnaphthalen-1-ol

lead(IV) tetraacetate
546-67-8

lead(IV) tetraacetate

A

menadione
58-27-5

menadione

B

2-acetoxy-2-methylnaphthalen-1(2H)-one
76274-21-0

2-acetoxy-2-methylnaphthalen-1(2H)-one

Conditions
ConditionsYield
In benzene Ambient temperature;A 3%
B 88%
Diethyl phthalate
84-66-2

Diethyl phthalate

methyl 3-cyanobutanoate

methyl 3-cyanobutanoate

menadione
58-27-5

menadione

Conditions
ConditionsYield
Stage #1: Diethyl phthalate; methyl 3-cyanobutanoate With sodium ethanolate In methanol; toluene at 90 - 100℃; for 3h; Green chemistry;
Stage #2: With sodium hydroxide In water; toluene at 20 - 30℃; for 3h; Green chemistry;
Stage #3: With hydrogenchloride In water; toluene at 60℃; for 3h; pH=2 - 2.5; Green chemistry;
87.8%
1-acetoxy-1,3-butadiene
1515-76-0

1-acetoxy-1,3-butadiene

2-methylbenzene-1,4-diol
95-71-6

2-methylbenzene-1,4-diol

menadione
58-27-5

menadione

Conditions
ConditionsYield
With oxygen In dimethyl sulfoxide at 55℃; for 24h; pH=4.5; Reagent/catalyst; Enzymatic reaction;85.8%
3-methylene-1,2,3,4-tetrahydronaphthalen-1-ol

3-methylene-1,2,3,4-tetrahydronaphthalen-1-ol

menadione
58-27-5

menadione

Conditions
ConditionsYield
With pyridinium chlorochromate In dichloromethane at 20℃; for 5h;81%
2-Methylnaphthalene
91-57-6

2-Methylnaphthalene

A

6-methyl-1,4-naphthoquinone
605-93-6

6-methyl-1,4-naphthoquinone

B

menadione
58-27-5

menadione

Conditions
ConditionsYield
With sulfuric acid; dihydrogen peroxide; acetic anhydride; acetic acid at 60℃; for 6.33333h; Product distribution / selectivity;A n/a
B 80%
With perchloric acid; dihydrogen peroxide; acetic anhydride; acetic acid at 60℃; for 6.33333h; Product distribution / selectivity;A n/a
B 80%
With phosphoric acid; dihydrogen peroxide; acetic anhydride; acetic acid at 60℃; for 6.33333h; Product distribution / selectivity;A n/a
B 75%
2-Hydroxy-1,4-naphthoquinone
83-72-7

2-Hydroxy-1,4-naphthoquinone

dimethyl sulfoxide
67-68-5

dimethyl sulfoxide

A

menadione
58-27-5

menadione

B

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

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

Conditions
ConditionsYield
With copper(II) sulfate at 50℃; for 2h;A 60%
B 80%
1-acetoxybuta-1,3-diene
1515-76-0, 35694-19-0, 35694-20-3

1-acetoxybuta-1,3-diene

2-methylbenzene-1,4-diol
95-71-6

2-methylbenzene-1,4-diol

menadione
58-27-5

menadione

Conditions
ConditionsYield
With laccase In acetate buffer at 55℃; for 24h; pH=4.5; Diels-Alder reaction;75%
2-methylnaphthalen-1-ol
7469-77-4

2-methylnaphthalen-1-ol

A

menadione
58-27-5

menadione

B

2-acetoxy-2-methylnaphthalen-1(2H)-one
76274-21-0

2-acetoxy-2-methylnaphthalen-1(2H)-one

Conditions
ConditionsYield
With lead(IV) acetate In acetonitrile Ambient temperature;A 16%
B 74%
2-methylnaphthalen-1-ol
7469-77-4

2-methylnaphthalen-1-ol

A

phthiocol
483-55-6

phthiocol

B

menadione
58-27-5

menadione

Conditions
ConditionsYield
With dihydrogen peroxide; methyltrioxorhenium(VII) In acetic acid at 20℃; for 2h;A 6%
B 74%
3-methylnaphthalen-1-ol
13615-40-2

3-methylnaphthalen-1-ol

menadione
58-27-5

menadione

Conditions
ConditionsYield
With salcomine; oxygen In N,N-dimethyl-formamide for 3h; Ambient temperature;70%
With salcomine; oxygen In N,N-dimethyl-formamide for 3h;64%
(1S*,2S*)-2-methyl-1,2-dihydronaphthalen-1-ol

(1S*,2S*)-2-methyl-1,2-dihydronaphthalen-1-ol

A

menadione
58-27-5

menadione

B

3,3′-dimethyl-1,1′-binaphthalenyl-4,4′-diol
107866-11-5

3,3′-dimethyl-1,1′-binaphthalenyl-4,4′-diol

Conditions
ConditionsYield
With Jones reagent (excess) In acetone at 0℃;A n/a
B 68%
3-oxo-1,3-dihydroisobenzofuran-1-carbonitrile
27613-27-0

3-oxo-1,3-dihydroisobenzofuran-1-carbonitrile

methacrylic acid methyl ester
80-62-6

methacrylic acid methyl ester

menadione
58-27-5

menadione

Conditions
ConditionsYield
Stage #1: 3-oxo-1,3-dihydroisobenzofuran-1-carbonitrile With lithium tert-butoxide In tetrahydrofuran at -78 - -60℃; for 0.416667h; Inert atmosphere;
Stage #2: methacrylic acid methyl ester In tetrahydrofuran at -78 - 20℃; Inert atmosphere;
64%
menadione
58-27-5

menadione

2,3-epoxy-2-methyl-2,3-dihydro-1,4-naphthoquinone
15448-59-6, 61840-91-3, 82864-14-0, 105016-62-4

2,3-epoxy-2-methyl-2,3-dihydro-1,4-naphthoquinone

Conditions
ConditionsYield
With dihydrogen peroxide; β‐cyclodextrin In water at 25℃; for 96h; pH 9; other reagents (t-BuOOH, NaOCl, PhC(CH3)2OOH), MCPBA), other solvents (DMF, DMSO), addition of base (NaOH, NaHCO3, Na2CO3);100%
With dihydrogen peroxide; β‐cyclodextrin; alpha cyclodextrin In water at 25℃; for 96h; Product distribution; pH 9; other oxidizing agents (t-BuOOH, NaOCl, PhC(CH3)2OOH), MCPBA); other solvents (DMF, DMSO), addition of base (NaOH, Na2CO3, NaHCO3); enantioselectivity (up to 40percent ee by NMR); same reaction with further naphthoquinones;100%
With lithium hydroxide; tetrabutylammomium bromide; dihydrogen peroxide In toluene at 15 - 25℃; for 0.416667h; Epoxidation; ultrasonic irradiation;100%
menadione
58-27-5

menadione

2-methyl-1,4-naphthohydroquinone
481-85-6

2-methyl-1,4-naphthohydroquinone

Conditions
ConditionsYield
With sodium dithionite In diethyl ether; water100%
With sodium dithionite In diethyl ether; water at 20℃;100%
With sodium dithionite In diethyl ether; water100%
Isopropenyl acetate
108-22-5

Isopropenyl acetate

menadione
58-27-5

menadione

Acetic acid (1S,2aR,8aR)-1,8a-dimethyl-3,8-dioxo-1,2,2a,3,8,8a-hexahydro-cyclobuta[b]naphthalen-1-yl ester
75858-24-1

Acetic acid (1S,2aR,8aR)-1,8a-dimethyl-3,8-dioxo-1,2,2a,3,8,8a-hexahydro-cyclobuta[b]naphthalen-1-yl ester

Conditions
ConditionsYield
In benzene for 1h; Irradiation;100%
menadione
58-27-5

menadione

prenylindium sesquiiodide

prenylindium sesquiiodide

2,3-dihydro-2-methyl-2-(3-methyl-but-2-enyl)-1,4-naphthoquinone
74785-15-2

2,3-dihydro-2-methyl-2-(3-methyl-but-2-enyl)-1,4-naphthoquinone

Conditions
ConditionsYield
In N,N-dimethyl-formamide at -23℃; for 3h;100%
Ge[N(C(CH3)3)(Si(CH3)3)]2

Ge[N(C(CH3)3)(Si(CH3)3)]2

menadione
58-27-5

menadione

Ge(N(Si(CH3)3)C(CH3)3)2OC6H(CH3)(CH(CH)2CH)O

Ge(N(Si(CH3)3)C(CH3)3)2OC6H(CH3)(CH(CH)2CH)O

Conditions
ConditionsYield
In tetrahydrofuran (Ar); stirring (1 h, -78°C); soln. filtn. off, drying (vac.); elem. anal.;100%
1-hexene
592-41-6

1-hexene

1-iodo-2,2,3,3,4,4,5,5,5-nonafluorobutane
423-39-2

1-iodo-2,2,3,3,4,4,5,5,5-nonafluorobutane

menadione
58-27-5

menadione

2-(1-butyl-3,3,4,4,5,5,6,6,6-nonafluoro-hexyl)-3-methyl-[1,4]naphthoquinone

2-(1-butyl-3,3,4,4,5,5,6,6,6-nonafluoro-hexyl)-3-methyl-[1,4]naphthoquinone

Conditions
ConditionsYield
With dibenzoyl peroxide In acetic acid for 4h; Heating;99%
1-(4-bromo-phenyl)-5-oxo-pyrrolidine-3-carboxylic acid hydrazide

1-(4-bromo-phenyl)-5-oxo-pyrrolidine-3-carboxylic acid hydrazide

menadione
58-27-5

menadione

N'-(3-methyl-4-oxo-1,4-dihydronaphthalen-1-ylidene)-1-(4-bromophenyl)-5-oxopyrrolidine-3-carbohydrazide
1342800-33-2

N'-(3-methyl-4-oxo-1,4-dihydronaphthalen-1-ylidene)-1-(4-bromophenyl)-5-oxopyrrolidine-3-carbohydrazide

Conditions
ConditionsYield
With hydrogenchloride In water; isopropyl alcohol for 19h; Reflux;99%
menadione
58-27-5

menadione

2,3-dimethyl-buta-1,3-diene
513-81-5

2,3-dimethyl-buta-1,3-diene

2,3,4a-trimethyl-1,4,4a,9a-tetrahydro-anthraquinone

2,3,4a-trimethyl-1,4,4a,9a-tetrahydro-anthraquinone

Conditions
ConditionsYield
With tetradecafluorohexane; lithium perfluorooctane sulfonate In water at 25℃; for 72h; Diels-Alder reaction;98%
1-iodo-2,2,3,3,4,4,5,5,5-nonafluorobutane
423-39-2

1-iodo-2,2,3,3,4,4,5,5,5-nonafluorobutane

menadione
58-27-5

menadione

2-methyl-3-nonafluorobutyl-[1,4]naphthoquinone

2-methyl-3-nonafluorobutyl-[1,4]naphthoquinone

Conditions
ConditionsYield
With dibenzoyl peroxide In acetic acid for 4h; Heating;98%
menadione
58-27-5

menadione

(2S,3R)-2,3-epoxy-2-methyl-1,4-naphthoquinone

(2S,3R)-2,3-epoxy-2-methyl-1,4-naphthoquinone

Conditions
ConditionsYield
With tert.-butylhydroperoxide; C49H63Cl6N7O2*ClH; potassium hydroxide In tert-butyl methyl ether; water at 0℃; for 0.5h; enantioselective reaction;98%
With sodium hypochlorite; diphenylether; Cinchona alkaloid phase-transfer catalyst In chlorobenzene at -10℃;
C12H15N3O2
956593-14-9

C12H15N3O2

menadione
58-27-5

menadione

N'-(3-methyl-4-oxo-1,4-dihydronaphthalen-1-ylidene)-1-(3-methylphenyl)-5-oxopyrrolidine-3-carbohydrazide
1342800-28-5

N'-(3-methyl-4-oxo-1,4-dihydronaphthalen-1-ylidene)-1-(3-methylphenyl)-5-oxopyrrolidine-3-carbohydrazide

Conditions
ConditionsYield
With hydrogenchloride In water; isopropyl alcohol for 19h; Reflux;98%
menadione
58-27-5

menadione

1,3-dihydro-imidazole-2-thione
872-35-5

1,3-dihydro-imidazole-2-thione

2-(1H-imidazole-2-ylthio)-3-methylnaphthalene-1,4-dione
1449761-93-6

2-(1H-imidazole-2-ylthio)-3-methylnaphthalene-1,4-dione

Conditions
ConditionsYield
In methanol at 20℃; for 8h;98%
menadione
58-27-5

menadione

2-(5,7-dimethyl-3,4-dihydronaphthalen-1(2H)-ylidene)acetaldehyde

2-(5,7-dimethyl-3,4-dihydronaphthalen-1(2H)-ylidene)acetaldehyde

C25H22O2

C25H22O2

Conditions
ConditionsYield
With (2S)-2-{diphenyl[(trimethylsilyl)oxy]methyl}pyrrolidine; benzoic acid In chloroform at 20℃; for 20h;98%
menadione
58-27-5

menadione

dimethyl sulfate
77-78-1

dimethyl sulfate

1,4-dimethoxy-2-methylnaphthalene
53772-19-3

1,4-dimethoxy-2-methylnaphthalene

Conditions
ConditionsYield
Stage #1: menadione With palladium on activated charcoal; hydrogen In methanol for 6h;
Stage #2: dimethyl sulfate With sodium methylate In methanol at 50℃; for 0.333333h; Inert atmosphere;
97.1%
Stage #1: menadione With hydrogenchloride; tin(ll) chloride In ethanol at 20℃; for 0.5h;
Stage #2: dimethyl sulfate With potassium hydroxide In ethanol; acetone at 60℃; for 2h;
73%
Stage #1: menadione With hydrogenchloride; tin(ll) chloride In ethanol at 20℃;
Stage #2: dimethyl sulfate With potassium hydroxide In acetone at 60℃;
Stage #1: menadione With hydrogenchloride; tin(ll) chloride In ethanol at 40℃; for 0.166667h;
Stage #2: dimethyl sulfate With potassium hydroxide In acetone at 20℃; for 2.5h; Further stages.;
Stage #1: menadione With sodium dithionite In ethyl acetate at 20℃; for 0.5h;
Stage #2: dimethyl sulfate With sodium methylate In isopropyl alcohol at 63℃; for 0.5h;
menadione
58-27-5

menadione

(5aS,5bR,11aS,11bR)-5a,11a-Dimethyl-5a,5b,11a,11b-tetrahydro-dibenzo[b,h]biphenylene-5,6,11,12-tetraone

(5aS,5bR,11aS,11bR)-5a,11a-Dimethyl-5a,5b,11a,11b-tetrahydro-dibenzo[b,h]biphenylene-5,6,11,12-tetraone

Conditions
ConditionsYield
2,4,6-tri(4-pyridyl)-1,3,5-triazine In water-d2 at 20℃; for 3h; Irradiation;96%
1-(4-chlorophenyl)-5-oxopyrrolidin-3-carbohydrazide

1-(4-chlorophenyl)-5-oxopyrrolidin-3-carbohydrazide

menadione
58-27-5

menadione

N'-(3-methyl-4-oxo-1,4-dihydronaphthalen-1-ylidene)-1-(4-chlorophenyl)-5-oxopyrrolidine-3-carbohydrazide
1342800-34-3

N'-(3-methyl-4-oxo-1,4-dihydronaphthalen-1-ylidene)-1-(4-chlorophenyl)-5-oxopyrrolidine-3-carbohydrazide

Conditions
ConditionsYield
With hydrogenchloride In water; isopropyl alcohol for 19h; Reflux;96%
menadione
58-27-5

menadione

cyclobutanone oxime ester

cyclobutanone oxime ester

4-(3-methyl-1,4-dioxo-1,4-dihydro-naphthalen-2-yl)-3-phenyl-butyronitrile

4-(3-methyl-1,4-dioxo-1,4-dihydro-naphthalen-2-yl)-3-phenyl-butyronitrile

Conditions
ConditionsYield
With (1,2-dimethoxyethane)dichloronickel(II); bathophenanthroline In acetonitrile at 100℃; for 6h; Sealed tube; Inert atmosphere;96%
menadione
58-27-5

menadione

2-bromo-3-methyl-[1,4]naphthoquinone
3129-39-3

2-bromo-3-methyl-[1,4]naphthoquinone

Conditions
ConditionsYield
With aluminum oxide; bromine for 2h; Ambient temperature; other reagents: iodine monobromide, acetic acid;95%
With N-chloro-succinimide; copper(II) chloride monohydrate In acetonitrile at 82℃; for 4h; regioselective reaction;95.9%
Stage #1: menadione With bromine In dichloromethane at 25℃; for 1h;
Stage #2: With pyridine In dichloromethane at 25℃; for 12h;
93%
formaldehyd
50-00-0

formaldehyd

menadione
58-27-5

menadione

2-(chloromethyl)-3-methylnaphthalene-1,4-dione
31599-79-8

2-(chloromethyl)-3-methylnaphthalene-1,4-dione

Conditions
ConditionsYield
With hydrogenchloride; acetic acid at 20℃;95%
With hydrogenchloride; acetic acid87%
With hydrogenchloride In water; acetic acid at 60 - 65℃; for 0.5h;86%
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