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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 Vb6 Bp2008 Usp31 Ep6 supplier in China

Cas:58-56-0

Min.Order:1 Kilogram

Negotiable

Type:Manufacturers

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Hubei DiBo chemical co., LTD

Product Name: Vitamin B6 Chemical name: 5-hydroxy-6-methyl-3,4-pyridyldimethyl alcohol hydrochloride Other names: pyridoxine hydrochloride CAS: 58-56-0 English Name: Pyridoxine hydrochloride; Vitamin B6 HCL; Pyridoxine HCL Molecular formula: C

Pyridoxine HCL/Cas:58-56-0/99.9% Vitamin B6 HCL/Pyridoxine hydrochloride

Cas:58-56-0

Min.Order:25 Metric Ton

FOB Price: $2.0 / 3.0

Type:Other

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Cartoon Ingredients Co., Ltd

Cartoon Ingredients Co.,Ltd.is located in NanJing, the capital of Jiangsu Province.with Convenient traffic As a manufacturer, the company mainly engaged in providing Food ingredients, Herbal extracts, Vitamins, APIs and Fine chemicals &a

Pyridoxine hydrochloride

Cas:58-56-0

Min.Order:0

Negotiable

Type:Trading Company

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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

Pyridoxine hydrochloride Manufacturer/High quality/Best price/In stock

Cas:58-56-0

Min.Order:1 Kilogram

FOB Price: $3.0

Type:Lab/Research institutions

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Hangzhou Dingyan Chem Co., Ltd

Items Standard Result Appearance White or off-white crystalline powder Conform Identification IR

High purity Pyridoxine hydrochloride with high quality and best price cas:58-56-0

Cas:58-56-0

Min.Order:1 Kilogram

FOB Price: $87.0 / 105.0

Type:Manufacturers

inquiry

Sinoway Industrial Co., Ltd.

Why is SINOWAY: 1) Specialized in pharmaceutical and healthcare industrial for 34 years. 2) 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 . 5) We c

Factory supply high purity 99% with low price Pyridoxine hydrochloride Vitamin B6 powder

Cas:58-56-0

Min.Order:1 Kilogram

FOB Price: $25.0 / 152.0

Type:Trading Company

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Kono Chem Co.,Ltd

QuickDetails CASNo.:58-56-0 OtherNames:Pyridoxinehydrochloride MF:C8H11NO3 EINECSNo.:NA …Appearance:WHITE FINE POWDER Storage:preserve in tightly sealed,light and oxygen resistant containe

Pyridoxine hydrochloride

Cas:58-56-0

Min.Order:1 Kilogram

FOB Price: $100.0

Type:Other

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Hebei yanxi chemical co.,LTD.

hebei yanxi chemical co., LTD who registered capital of 10 million yuan, nearly to $2 million, we have a pharmaceutical raw materials factory production of pharmaceutical raw materials, and a reagent r&d center, and we do research and developm

Pyridoxine HCl CAS NO.58-56-0

Cas:58-56-0

Min.Order:1 Metric Ton

FOB Price: $1.0 / 3.0

Type:Manufacturers

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Wuhan Fortuna Chemical Co.,Ltd

Pyridoxine hydrochloride CAS 58-56-0 Company profile Wuhan Fortuna Chemical Co.,Ltd established in 2006, is a big integrative chemical enterprise being engaged in Pharmaceutical & its intermediates, Food/Feed additives, Fine chemicals in dis

Pyridoxine hydrochloride CAS 58-56-0

Cas:58-56-0

Min.Order:10 Kilogram

FOB Price: $10.0

Type:Trading Company

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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

Vitamin B6 Pyridoxine hydrochloride CAS NO. 58-56-0

Cas:58-56-0

Min.Order:25 Metric Ton

Negotiable

Type:Trading Company

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EAST CHEMSOURCES LIMITED

Vitamin B6 Commodity Name:Vitamin B6 Other Name:Pyridoxine hydrochloride CAS No:58-56-0 M.F.:C8H11NO3.HCl M.W.:205.64 Properties:White or alomost white,crystalline powder,freely soluble in water,slightly soluble in Alcohol,insoluble in

Pyridoxine hydrochloride

Cas:58-56-0

Min.Order:1 Kilogram

FOB Price: $2.0 / 3.0

Type:Manufacturers

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 Vb6 Bp2008 Usp31 Ep6

Cas:58-56-0

Min.Order:1

Negotiable

Type:Other

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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 99% Food Grade Pyridoxine hydrochloride 58-56-0 Kosher Manufacturer

Cas:58-56-0

Min.Order:1 Gram

FOB Price: $0.1

Type:Manufacturers

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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,

VB6

Cas:58-56-0

Min.Order:10 Metric Ton

Negotiable

Type:Manufacturers

inquiry

Shanxi Zorui Biotechnology Co.Ltd.

Zorui combines R&D, production and sales into its operations, While continuously providing high-quality raw materials, we also provide and optimize technical solutions for customers to achieve mutual benefit. We adhere to the "quality, integ

Pyridoxine HCL/ Vitamin B6 HCL/ Pyridoxine Hydrochloride CAS 58-56-0

Cas:58-56-0

Min.Order:1 Kilogram

Negotiable

Type:Other

inquiry

Henan Tianfu Chemical Co., Ltd.

Our company engages in Sodium Tripolyphosphate (STPP) and Sodium Hexametabphosphate (SHMP) production; development of noble metal catalysts, synthesis of electronic chemical materials and general chemicals Imp&Exp trading business. The company

TIANFU-CHEM - Pyridoxine hydrochloride

Cas:58-56-0

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

Pyridoxine hydrochloride

Cas:58-56-0

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

New production CAS 58-56-0 with best quality

Cas:58-56-0

Min.Order:1 Kilogram

FOB Price: $139.0 / 210.0

Type:Trading Company

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

58-56-0 Vitamin B6 Powder/Pyridoxine hydrochloride

Cas:58-56-0

Min.Order:10 Kilogram

Negotiable

Type:Trading Company

inquiry

LIDE PHARMACEUTICALS LIMITED

Advantage : LIDE PHARMACEUTICALS LTD. is a mid-small manufacturing-type enterprise, engaged in pharmaceutical intermediates of R&D, custom-made and production, and also involving trading chemicals for export. We have established the R&amp

Pyridoxine hydrochloride/ LIDE PHARMA- Factory supply / Best price

Cas:58-56-0

Min.Order:0

Negotiable

Type:Lab/Research institutions

inquiry

Henan Sinotech Import&Export Corporation

Product Name Pyridoxine Hydrochloride CAS NO 58-56-0 MF C8H12ClNO3 MW 205.64 EINECS 200-386-2 Melting point 214-215 °C Density 1.2784 Appearance: White po

Pyridoxine Hydrochloride

Cas:58-56-0

Min.Order:1 Kilogram

FOB Price: $1.0

Type:Other

inquiry

Hubei Langyou International Trading 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:A white or almost white crystalline powder Storage:Store in

Vitamin B6 CAS: 58-56-0 Use For Seborrheic Dermatitis

Cas:58-56-0

Min.Order:100 Gram

Negotiable

Type:Other

inquiry

Shanghai Upbio Tech Co.,Ltd

1.No Less 8 years exporting experience. Clients can 100% received goods 2.Lower Price with higher quality 3,Free sample 4,We are sincerely responsible for the "product quality" and "After Service" Upbio is Specialized

Pyridoxine hydrochloride 58-56-0

Cas:58-56-0

Min.Order:1 Kilogram

Negotiable

Type:Lab/Research institutions

inquiry

Shanghai Minstar Chemical Co., Ltd

Product Name: Pyridoxine hydrochloride CAS: 58-56-0 MF: C8H12ClNO3 MW: 205.64 EINECS: 200-386-2 Mol File: 58-56-0.mol Pyridoxine hydrochloride Structure Pyridoxine hydrochloride Chemical Properties Melting point 214-215 °C

Pyridoxine hydrochloride Vitamin B6

Cas:58-56-0

Min.Order:1 Gram

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 prese

vitamin B6/CAS:58-56-0

Cas:58-56-0

Min.Order:25 Gram

FOB Price: $60.0

Type:Trading Company

inquiry

Qingdao Beluga Import and Export Co., LTD

Pyridoxine hydrochloride CAS: 58-56-0 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 in

Pyridoxine hydrochloride CAS: 58-56-0

Cas:58-56-0

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

Pyridoxine HCL

Cas:58-56-0

Min.Order:1 Kilogram

Negotiable

Type:Lab/Research institutions

inquiry

SJZ THLD IMP & EXP CO LTD

High quality and competitive price . Appearance:white powder Storage:dry and cool warehouse Package:25kg/drum Application:FOOD FEED MEDICINE Transportation:common Port:qingdao shanghai tianjin

Pyridoxine hydrochloride

Cas:58-56-0

Min.Order:100 Kilogram

Negotiable

Type:Trading Company

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

99% Purity vitamin b6 vb6 pyridoxine hcl

Cas:58-56-0

Min.Order:100 Gram

Negotiable

Type:Lab/Research institutions

inquiry

Lonwin Chemical Group Limited

Pyridoxine hydrochloride CAS: 58-56-0 Specification Item Specification Result Appearance White or almost white crystalline powder Complies Assay 98%-102% 99.6% Residue on ignition ≤0.1%

Factory supply Pyridoxine hydrochloride

Cas:58-56-0

Min.Order:1 Kilogram

Negotiable

Type:Other

inquiry

Synthetic route

pyridoxine triacetate
10030-93-0

pyridoxine triacetate

pyridoxal hydrochloride
58-56-0

pyridoxal hydrochloride

Conditions
ConditionsYield
With hydrogenchloride In water for 2h; Heating;98%
With hydrogenchloride; water for 2h; Heating / reflux;72%
5-hydroxy-6-methylpyridine-3,4-dicarboxylic acid diethyl ester
2397-71-9

5-hydroxy-6-methylpyridine-3,4-dicarboxylic acid diethyl ester

pyridoxal hydrochloride
58-56-0

pyridoxal hydrochloride

Conditions
ConditionsYield
Stage #1: 5-hydroxy-6-methylpyridine-3,4-dicarboxylic acid diethyl ester With sodium tetrahydroborate; iron(II) sulfate; N,N-dimethyl-aniline In tetrahydrofuran for 4h; Reflux;
Stage #2: With hydrogenchloride In tetrahydrofuran at 20℃; Reagent/catalyst; Solvent;
93.4%
4,5-dihydroxymethyl-2-methyl-2-cyclopentenone

4,5-dihydroxymethyl-2-methyl-2-cyclopentenone

pyridoxal hydrochloride
58-56-0

pyridoxal hydrochloride

Conditions
ConditionsYield
Stage #1: 4,5-dihydroxymethyl-2-methyl-2-cyclopentenone With ozone In methanol; water at -30℃; for 3h;
Stage #2: With ammonia In methanol; water at 20 - 25℃; for 3h;
Stage #3: With hydrogenchloride; pyrographite In ethanol at 55 - 60℃; for 1h; Temperature; Solvent;
92%
2-hydroxymethyl-3-cyano-4-hydroxy-n-butyraldehyde

2-hydroxymethyl-3-cyano-4-hydroxy-n-butyraldehyde

methyl 2-aminopropanoate monohydrochloride
13515-97-4

methyl 2-aminopropanoate monohydrochloride

pyridoxal hydrochloride
58-56-0

pyridoxal hydrochloride

Conditions
ConditionsYield
Stage #1: 2-hydroxymethyl-3-cyano-4-hydroxy-n-butyraldehyde; methyl 2-aminopropanoate monohydrochloride With sodium methylate In methanol at 30 - 50℃; for 5h; Green chemistry;
Stage #2: With hydrogenchloride In methanol; water for 2h; Temperature; Solvent; Reagent/catalyst; Reflux; Green chemistry;
90.5%
4-methyl-5-dimethyl-tert-butylsiloxyoxazole

4-methyl-5-dimethyl-tert-butylsiloxyoxazole

2-propyl-4,7-dihydro-2H-1,3-dioxepine
4469-34-5

2-propyl-4,7-dihydro-2H-1,3-dioxepine

pyridoxal hydrochloride
58-56-0

pyridoxal hydrochloride

Conditions
ConditionsYield
Stage #1: 4-methyl-5-dimethyl-tert-butylsiloxyoxazole; 2-propyl-4,7-dihydro-2H-1,3-dioxepine at 115 - 120℃; for 10h;
Stage #2: With water In ethanol at 20℃; for 3h;
Stage #3: With hydrogenchloride In ethanol; water at 20℃; for 2h;
89.5%
Diels-Alder adduct
5205-63-0

Diels-Alder adduct

pyridoxal hydrochloride
58-56-0

pyridoxal hydrochloride

Conditions
ConditionsYield
Stage #1: Diels-Alder adduct With hydrogenchloride In ethanol; water at 20℃; for 2h;
Stage #2: In ethanol; water for 2h;
86.05%
C8H13NO4

C8H13NO4

pyridoxal hydrochloride
58-56-0

pyridoxal hydrochloride

Conditions
ConditionsYield
With hydrogenchloride; pyrographite In ethanol; water at 75 - 78℃; for 3h; Temperature;83.5%
4-methyl-5-triisopropylsiloxyoxazole

4-methyl-5-triisopropylsiloxyoxazole

2-propyl-4,7-dihydro-2H-1,3-dioxepine
4469-34-5

2-propyl-4,7-dihydro-2H-1,3-dioxepine

pyridoxal hydrochloride
58-56-0

pyridoxal hydrochloride

Conditions
ConditionsYield
Stage #1: 4-methyl-5-triisopropylsiloxyoxazole; 2-propyl-4,7-dihydro-2H-1,3-dioxepine at 115 - 120℃; for 10h;
Stage #2: With water In ethanol at 20℃; for 3h;
Stage #3: With hydrogenchloride In ethanol; water at 20℃; for 2h;
82.7%
2-propyl-4,7-dihydro-2H-1,3-dioxepine
4469-34-5

2-propyl-4,7-dihydro-2H-1,3-dioxepine

4-methyl-5-butoxy1,3-oxazole
24201-52-3

4-methyl-5-butoxy1,3-oxazole

pyridoxal hydrochloride
58-56-0

pyridoxal hydrochloride

Conditions
ConditionsYield
Stage #1: 2-propyl-4,7-dihydro-2H-1,3-dioxepine; 4-methyl-5-butoxy1,3-oxazole With calcium oxide at 150℃; for 12h; Diels-Alder Cycloaddition;
Stage #2: With hydrogenchloride In ethanol; water at 20 - 60℃; for 12h;
Stage #3: With hydrogenchloride In water for 1h; pH=8; Reagent/catalyst; Reflux;
80%
5-ethoxy-4-methyl-oxazole
5006-20-2

5-ethoxy-4-methyl-oxazole

2-propyl-4,7-dihydro-2H-1,3-dioxepine
4469-34-5

2-propyl-4,7-dihydro-2H-1,3-dioxepine

pyridoxal hydrochloride
58-56-0

pyridoxal hydrochloride

Conditions
ConditionsYield
With hydrogenchloride Diels-Alder Cycloaddition;78.5%
3-amino-4,5-bis(aminomethyl)2-methylpyridine trihydrochloride
90330-16-8

3-amino-4,5-bis(aminomethyl)2-methylpyridine trihydrochloride

pyridoxal hydrochloride
58-56-0

pyridoxal hydrochloride

Conditions
ConditionsYield
With sulfuric acid; sodium nitrite In water at 90℃; for 2h;75%
2-Methyl-3-hydroxy-4,5-bis-(bromomethyl)-pyridine hydrobromide
39984-49-1

2-Methyl-3-hydroxy-4,5-bis-(bromomethyl)-pyridine hydrobromide

pyridoxal hydrochloride
58-56-0

pyridoxal hydrochloride

Conditions
ConditionsYield
With water; silver(I) chloride for 0.333333h; Heating;68%
Multi-step reaction with 2 steps
1: 2.) AcONa / 1.) DMF, 55 degC, 1 h; 2.) DMF, 85 degC, 2.5 h
2: 98 percent / 2N HCl / H2O / 2 h / Heating
View Scheme
pyridoxamine dihydrochloride
524-36-7

pyridoxamine dihydrochloride

pyridoxal hydrochloride
58-56-0

pyridoxal hydrochloride

Conditions
ConditionsYield
With sulfuric acid; water; sodium nitrite at 20 - 90℃; for 2h;25%
Thiamine hydrochloride
67-03-8

Thiamine hydrochloride

pyridoxal hydrochloride
58-56-0

pyridoxal hydrochloride

Conditions
ConditionsYield
With N-Bs In isopropyl alcohol at 25℃; for 0.5h;
L-1-Deoxy<1,1,1-(2)H3,(RS)-5-(2)H1>xylulose
80095-36-9

L-1-Deoxy<1,1,1-(2)H3,(RS)-5-(2)H1>xylulose

pyridoxal hydrochloride
58-56-0

pyridoxal hydrochloride

Conditions
ConditionsYield
With D-glucose; Escherichia coli B WG2 Mechanism;
3-amino-4-aminomethyl-5-hydroxymethyl-2-methylpyridine dihydrochloride
83537-53-5

3-amino-4-aminomethyl-5-hydroxymethyl-2-methylpyridine dihydrochloride

pyridoxal hydrochloride
58-56-0

pyridoxal hydrochloride

Conditions
ConditionsYield
With cis-nitrous acid In water at 90℃;
Acetic acid 4-acetoxymethyl-2,5-dimethoxy-2-(1-methoxycarbonylamino-ethyl)-2,5-dihydro-furan-3-ylmethyl ester

Acetic acid 4-acetoxymethyl-2,5-dimethoxy-2-(1-methoxycarbonylamino-ethyl)-2,5-dihydro-furan-3-ylmethyl ester

pyridoxal hydrochloride
58-56-0

pyridoxal hydrochloride

Conditions
ConditionsYield
With hydrogenchloride In water Yield given;
hydrogenchloride
7647-01-0

hydrogenchloride

4,5-bis-aminomethyl-2-methyl-pyridin-3-ol
45996-87-0

4,5-bis-aminomethyl-2-methyl-pyridin-3-ol

aqueous NaNO2

aqueous NaNO2

A

pyridoxal hydrochloride
58-56-0

pyridoxal hydrochloride

B

<5-chloromethyl>-3-hydroxy-2-methyl-<4>pyridyl>-methanol

<5-chloromethyl>-3-hydroxy-2-methyl-<4>pyridyl>-methanol

hydrogenchloride
7647-01-0

hydrogenchloride

4-ethoxymethyl-5-hydroxymethyl-2-methyl-pyridin-3-ol; hydrochloride

4-ethoxymethyl-5-hydroxymethyl-2-methyl-pyridin-3-ol; hydrochloride

pyridoxal hydrochloride
58-56-0

pyridoxal hydrochloride

Conditions
ConditionsYield
at 155 - 160℃;
5-amino-6-methylpyridine-3,4-dicarbonitrile
71058-42-9

5-amino-6-methylpyridine-3,4-dicarbonitrile

pyridoxal hydrochloride
58-56-0

pyridoxal hydrochloride

Conditions
ConditionsYield
Multi-step reaction with 2 steps
1: 75 percent / conc. HCl, H2 / 5 percent Pd-C / methanol; H2O / 3.5 h / Ambient temperature
2: 75 percent / sodium nitrite, H2SO4 / H2O / 2 h / 90 °C
View Scheme
5-acetoxymethyl-3-amino-2-methylpyridine-4-carbonitrile
83537-57-9

5-acetoxymethyl-3-amino-2-methylpyridine-4-carbonitrile

pyridoxal hydrochloride
58-56-0

pyridoxal hydrochloride

Conditions
ConditionsYield
Multi-step reaction with 2 steps
1: 88 percent / 1) conc. HCl, H2; 2) 0.2 N HCl / 1) 5 percent Pd-C / methanol; H2O / 1) 1 h, RT; 2) 1 h, 80 deg C
2: nitrous acid / H2O / 90 °C
View Scheme
3,4-bis(hydroxymethyl)furan
14496-24-3

3,4-bis(hydroxymethyl)furan

pyridoxal hydrochloride
58-56-0

pyridoxal hydrochloride

Conditions
ConditionsYield
Multi-step reaction with 4 steps
1: 100 percent / pyridine
2: 57 percent / p-toluenesulfonic acid / 2 h / 0 - 5 °C
3: electrochemical oxidation
4: HCl / H2O
View Scheme
3,4-furan dimethanol diacetate
30614-73-4

3,4-furan dimethanol diacetate

pyridoxal hydrochloride
58-56-0

pyridoxal hydrochloride

Conditions
ConditionsYield
Multi-step reaction with 3 steps
1: 57 percent / p-toluenesulfonic acid / 2 h / 0 - 5 °C
2: electrochemical oxidation
3: HCl / H2O
View Scheme
Acetic acid 4-acetoxymethyl-2-(1-methoxycarbonylamino-ethyl)-furan-3-ylmethyl ester
79588-15-1

Acetic acid 4-acetoxymethyl-2-(1-methoxycarbonylamino-ethyl)-furan-3-ylmethyl ester

pyridoxal hydrochloride
58-56-0

pyridoxal hydrochloride

Conditions
ConditionsYield
Multi-step reaction with 2 steps
1: electrochemical oxidation
2: HCl / H2O
View Scheme
1,3-dihydro-6-methyl-7-iodofuro(3,4-c)pyridine
104307-94-0

1,3-dihydro-6-methyl-7-iodofuro(3,4-c)pyridine

pyridoxal hydrochloride
58-56-0

pyridoxal hydrochloride

Conditions
ConditionsYield
Multi-step reaction with 3 steps
1: 36 percent / Na, MeOH / CuI2 / various solvent(s) / 16 h / Heating
2: 78 percent / 48percent HBr / 2 h / Heating
3: 68 percent / H2O, AgCl / 0.33 h / Heating
View Scheme
1,3-dihydro-6-methyl-7-methoxyfuro(3,4-c)pyridine
104307-95-1

1,3-dihydro-6-methyl-7-methoxyfuro(3,4-c)pyridine

pyridoxal hydrochloride
58-56-0

pyridoxal hydrochloride

Conditions
ConditionsYield
Multi-step reaction with 2 steps
1: 78 percent / 48percent HBr / 2 h / Heating
2: 68 percent / H2O, AgCl / 0.33 h / Heating
View Scheme
1,3-dihydro-6-methyl-7-trimethylstannylfuro(3,4-c)pyridine
104307-93-9

1,3-dihydro-6-methyl-7-trimethylstannylfuro(3,4-c)pyridine

pyridoxal hydrochloride
58-56-0

pyridoxal hydrochloride

Conditions
ConditionsYield
Multi-step reaction with 4 steps
1: 99 percent / I2 / CHCl3 / 18 h / Ambient temperature
2: 36 percent / Na, MeOH / CuI2 / various solvent(s) / 16 h / Heating
3: 78 percent / 48percent HBr / 2 h / Heating
4: 68 percent / H2O, AgCl / 0.33 h / Heating
View Scheme
4,5'-O-isobutylidenepyridoxine
1622-67-9

4,5'-O-isobutylidenepyridoxine

pyridoxal hydrochloride
58-56-0

pyridoxal hydrochloride

Conditions
ConditionsYield
With hydrogenchloride; water under 300.03 Torr; for 2h; Product distribution / selectivity; Heating / reflux;
Stage #1: 4,5'-O-isobutylidenepyridoxine With hydrogenchloride; water In tetrahydrofuran at 60 - 120℃; under 150.015 Torr; for 3h;
Stage #2: With pyrographite In water at 0 - 60℃; Product distribution / selectivity;
3-isopropyl-1,5-dihydro[1,3]dioxepino-3-methyl-4-n-butoxy-7-oxa-2-azabicyclo[2.2.1]hept-2-ene
717916-87-5

3-isopropyl-1,5-dihydro[1,3]dioxepino-3-methyl-4-n-butoxy-7-oxa-2-azabicyclo[2.2.1]hept-2-ene

A

pyridoxal hydrochloride
58-56-0

pyridoxal hydrochloride

B

4,5'-O-isobutylidenepyridoxine
1622-67-9

4,5'-O-isobutylidenepyridoxine

Conditions
ConditionsYield
Stage #1: 3-isopropyl-1,5-dihydro[1,3]dioxepino-3-methyl-4-n-butoxy-7-oxa-2-azabicyclo[2.2.1]hept-2-ene With water; acetic acid In tetrahydrofuran at 60℃; under 760.051 Torr; for 4h;
Stage #2: With hydrogenchloride; water In tetrahydrofuran at 0 - 60℃; for 5h; Product distribution / selectivity;
Stage #1: 3-isopropyl-1,5-dihydro[1,3]dioxepino-3-methyl-4-n-butoxy-7-oxa-2-azabicyclo[2.2.1]hept-2-ene With water In tetrahydrofuran at 60℃; under 760.051 Torr; for 4h;
Stage #2: With hydrogenchloride In tetrahydrofuran at 20 - 60℃; for 5h; Product distribution / selectivity;
concentrated H2 SO4

concentrated H2 SO4

pyridoxal hydrochloride
58-56-0

pyridoxal hydrochloride

isopropylidene pyridoxine

isopropylidene pyridoxine

Conditions
ConditionsYield
In acetone100%
pyridoxal hydrochloride
58-56-0

pyridoxal hydrochloride

4,5-bis(chloromethyl)-3-hydroxy-2-methylpyridinium chloride
39984-50-4

4,5-bis(chloromethyl)-3-hydroxy-2-methylpyridinium chloride

Conditions
ConditionsYield
With thionyl chloride In N,N-dimethyl-formamide for 0.5h; Reflux; Inert atmosphere;99%
With thionyl chloride In dichloromethane; N,N-dimethyl-formamide for 12h; Reflux;96%
With thionyl chloride; N,N-dimethyl-formamide at 80℃; for 3h;93%
pyridoxal hydrochloride
58-56-0

pyridoxal hydrochloride

4-aminobenzene sulfonic acid
121-57-3

4-aminobenzene sulfonic acid

C14H14N2O5S
1122445-21-9

C14H14N2O5S

Conditions
ConditionsYield
Stage #1: pyridoxal hydrochloride With RuCl2(PPh3)2(BAOBEA); dihydrogen peroxide In water at 60℃; for 0.25h;
Stage #2: 4-aminobenzene sulfonic acid In water for 0.0833333h; Reflux;
98.25%
pyridoxal hydrochloride
58-56-0

pyridoxal hydrochloride

2,2-dimethoxy-propane
77-76-9

2,2-dimethoxy-propane

(2,2,8-trimethyl-4H-[1,3]dioxino[4,5-c]pyridin-5-yl)methanol
1136-52-3

(2,2,8-trimethyl-4H-[1,3]dioxino[4,5-c]pyridin-5-yl)methanol

Conditions
ConditionsYield
With toluene-4-sulfonic acid In acetone at 20℃;98%
With toluene-4-sulfonic acid In acetone at 20℃; for 23h;96%
With toluene-4-sulfonic acid In acetone at 20℃; for 23h;96%
With toluene-4-sulfonic acid In acetone at 20℃; for 20h; Inert atmosphere;86%
With toluene-4-sulfonic acid In water; acetone for 20h; Inert atmosphere;80%
pyridoxal hydrochloride
58-56-0

pyridoxal hydrochloride

acetic anhydride
108-24-7

acetic anhydride

pyridoxine triacetate
10030-93-0

pyridoxine triacetate

Conditions
ConditionsYield
With triethylamine In tert-butyl methyl ether at 50 - 65℃; for 2.5h; Industry scale; Heating / reflux;96%
With pyridine Ambient temperature;57%
With pyridine
pyridoxal hydrochloride
58-56-0

pyridoxal hydrochloride

acetic anhydride
108-24-7

acetic anhydride

2,4-dimethyl-5-acetoxymethylpyridin-3-ol
53580-75-9

2,4-dimethyl-5-acetoxymethylpyridin-3-ol

Conditions
ConditionsYield
With zinc for 2h; Reflux;95%
cobalt(II) chloride hexahydrate

cobalt(II) chloride hexahydrate

Glutamic acid
617-65-2

Glutamic acid

pyridoxal hydrochloride
58-56-0

pyridoxal hydrochloride

Co(2+)*C5HN(CH3)(O)(CH2OH)2(1-)*OOCCH2CH2(NH2)CHCOO(2-)*H(1+)*3H2O=Co{C5HN(CH3)(O)(CH2OH)2}(C5H8NO4)*3H2O

Co(2+)*C5HN(CH3)(O)(CH2OH)2(1-)*OOCCH2CH2(NH2)CHCOO(2-)*H(1+)*3H2O=Co{C5HN(CH3)(O)(CH2OH)2}(C5H8NO4)*3H2O

Conditions
ConditionsYield
With lithium carbonate In water byproducts: CO2; to soln. pyridoxine/water was added equimolar amt. glutamic acid and excess Li2CO3, after evolution CO2 completed addn. equimolar soln. CoCl2/H2O, formation of pink ppt.; ppt. separated, washed (EtOH and ether) until powdery, elem. anal.;94.4%
pyridoxal hydrochloride
58-56-0

pyridoxal hydrochloride

3-hydroxy-5-hydroxymethyl-2,4-dimethylpyridinium chloride
148-51-6

3-hydroxy-5-hydroxymethyl-2,4-dimethylpyridinium chloride

Conditions
ConditionsYield
Stage #1: pyridoxal hydrochloride With acetic acid; zinc for 12h; Reflux;
Stage #2: With hydrogenchloride In methanol at 0℃; for 2h;
94%
Stage #1: pyridoxal hydrochloride With acetic acid; zinc for 12h; Reflux;
Stage #2: With hydrogenchloride In methanol; water at 0℃; for 2h;
94%
With acetic acid; zinc for 24h; Reflux;94%
Stage #1: pyridoxal hydrochloride With acetic acid; zinc at 120℃; for 3h;
Stage #2: With hydrogenchloride In methanol at 60℃; for 1h;
93%
Multi-step reaction with 2 steps
1: zinc / 72 h / Reflux
2: hydrogenchloride / water / 8 h / 50 °C
View Scheme
pyridoxal hydrochloride
58-56-0

pyridoxal hydrochloride

4,5-bis-chloromethyl-2-methyl-pyridin-3-ol
102694-13-3

4,5-bis-chloromethyl-2-methyl-pyridin-3-ol

Conditions
ConditionsYield
With thionyl chloride In N,N-dimethyl-formamide for 0.5h; Reflux;93%
With thionyl chloride In N,N-dimethyl-formamide for 0.5h; Inert atmosphere; Reflux;93%
pyridoxal hydrochloride
58-56-0

pyridoxal hydrochloride

2,2-dimethoxy-propane
77-76-9

2,2-dimethoxy-propane

A

(2,2,8-trimethyl-4H-[1,3]dioxino[4,5-c]pyridin-5-yl)methanol
1136-52-3

(2,2,8-trimethyl-4H-[1,3]dioxino[4,5-c]pyridin-5-yl)methanol

B

1,5-dihydro-3,3,8-trimethyl<1,3>dioxepino<5,6-y>pyridin-9-ol
948-00-5

1,5-dihydro-3,3,8-trimethyl<1,3>dioxepino<5,6-y>pyridin-9-ol

Conditions
ConditionsYield
With sulfuric acid In dichloromethane for 6h; Heating;A 92%
B n/a
pyridoxal hydrochloride
58-56-0

pyridoxal hydrochloride

A

1,5-dihydro-3,3,8-trimethyl<1,3>dioxepino<5,6-y>pyridin-9-ol
948-00-5

1,5-dihydro-3,3,8-trimethyl<1,3>dioxepino<5,6-y>pyridin-9-ol

B

2,2-dimethoxy-propane
77-76-9

2,2-dimethoxy-propane

Conditions
ConditionsYield
With sulfuric acid In dichloromethane for 6h; Heating; Title compound not separated from byproducts;A n/a
B 92%
pyridoxal hydrochloride
58-56-0

pyridoxal hydrochloride

acetone
67-64-1

acetone

(2,2,8-trimethyl-4H-[1,3]dioxino[4,5-c]pyridin-5-yl)methanol hydrochloride
6953-28-2

(2,2,8-trimethyl-4H-[1,3]dioxino[4,5-c]pyridin-5-yl)methanol hydrochloride

Conditions
ConditionsYield
With hydrogenchloride92%
With hydrogenchloride for 2.5h;90.9%
With hydrogenchloride at 20 - 30℃; for 6h;85%
With hydrogenchloride HCl introduction below 10 degC, then -10 degC, overnight;54%
With hydrogenchloride at 0℃; for 2h;27.3 g
pyridoxal hydrochloride
58-56-0

pyridoxal hydrochloride

acetone
67-64-1

acetone

(2,2,8-trimethyl-4H-[1,3]dioxino[4,5-c]pyridin-5-yl)methanol
1136-52-3

(2,2,8-trimethyl-4H-[1,3]dioxino[4,5-c]pyridin-5-yl)methanol

Conditions
ConditionsYield
With thionyl chloride In chloroform at 20℃; for 6h; ketalization;91%
With sulfuric acid at 20℃;65%
With Dess-Martin periodane; toluene-4-sulfonic acid at 20℃; for 20h; Inert atmosphere;63%
pyridoxal hydrochloride
58-56-0

pyridoxal hydrochloride

cyclohexanone
108-94-1

cyclohexanone

3,4'-O-cyclohexylidenepyridoxine
4632-05-7

3,4'-O-cyclohexylidenepyridoxine

Conditions
ConditionsYield
With thionyl chloride In chloroform at 20℃; ketalization;90%
With sulfuric acid
Acidic conditions;
pyridoxal hydrochloride
58-56-0

pyridoxal hydrochloride

acetone
67-64-1

acetone

1,5-dihydro-3,3,8-trimethyl<1,3>dioxepino<5,6-y>pyridin-9-ol
948-00-5

1,5-dihydro-3,3,8-trimethyl<1,3>dioxepino<5,6-y>pyridin-9-ol

Conditions
ConditionsYield
With thionyl chloride In chloroform at 0 - 20℃; for 7h; ketalization;90%
With hydrogenchloride at 3 - 20℃;87%
(i) HCl, (ii) aq. K2CO3; Multistep reaction;
pyridoxal hydrochloride
58-56-0

pyridoxal hydrochloride

acetone
67-64-1

acetone

chlorhydrate d'hydroxy-8 trimethyl-2,2,7 pyrido-<4,5-e>dioxa 1,3-cycloheptane
111422-99-2

chlorhydrate d'hydroxy-8 trimethyl-2,2,7 pyrido-<4,5-e>dioxa 1,3-cycloheptane

Conditions
ConditionsYield
With hydrogenchloride at 0℃; for 1h;88%
Decan-2-one
693-54-9

Decan-2-one

pyridoxal hydrochloride
58-56-0

pyridoxal hydrochloride

5-(hydroxymethyl)-2,8-dimethyl-2-octyl-4H-[1,3]dioxino[4,5-c]pyridine

5-(hydroxymethyl)-2,8-dimethyl-2-octyl-4H-[1,3]dioxino[4,5-c]pyridine

Conditions
ConditionsYield
With toluene-4-sulfonic acid In toluene for 17h; Reflux; Dean-Stark;87%
pyridoxal hydrochloride
58-56-0

pyridoxal hydrochloride

benzoic acid hydrazide
613-94-5

benzoic acid hydrazide

N'-{(3-hydroxyl-5-(hydroxymethyl)-2-methylpyridin-4-yl)methylene}benzohydrazide hydrochloride

N'-{(3-hydroxyl-5-(hydroxymethyl)-2-methylpyridin-4-yl)methylene}benzohydrazide hydrochloride

Conditions
ConditionsYield
Stage #1: pyridoxal hydrochloride With manganese(IV) oxide; sulfuric acid In water at 60 - 70℃;
Stage #2: benzoic acid hydrazide In water for 0.166667h; Heating;
86%
4,4'-dimethoxytrityl chloride
40615-36-9

4,4'-dimethoxytrityl chloride

pyridoxal hydrochloride
58-56-0

pyridoxal hydrochloride

C50H47NO7

C50H47NO7

Conditions
ConditionsYield
In pyridine; dichloromethane at 20℃; Inert atmosphere;85%
pyridoxal hydrochloride
58-56-0

pyridoxal hydrochloride

tert-butylchlorodiphenylsilane
58479-61-1

tert-butylchlorodiphenylsilane

C40H47NO3Si2

C40H47NO3Si2

Conditions
ConditionsYield
With triethylamine In dichloromethane at 0 - 20℃;83%
With triethylamine In tetrahydrofuran for 1.5h; Cooling with ice;67%
pyridoxal hydrochloride
58-56-0

pyridoxal hydrochloride

benzyl bromide
100-39-0

benzyl bromide

[5-(benzyloxy)-4-(hydroxymethyl)-6-methylpyridin-3-yl]methanol
7442-21-9

[5-(benzyloxy)-4-(hydroxymethyl)-6-methylpyridin-3-yl]methanol

Conditions
ConditionsYield
Stage #1: pyridoxal hydrochloride With potassium carbonate In acetonitrile at 90℃; for 1h;
Stage #2: benzyl bromide In acetonitrile for 3h; Reflux;
83%
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