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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

Thiamine chloride Manufacturer/High quality/Best price/In stock

Cas:59-43-8

Min.Order:1 Kilogram

FOB Price: $3.0

Type:Lab/Research institutions

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Hangzhou Think Chemical Co. Ltd

HANGZHOU THINK CHEMICAL CO., LTD. (THINKCHEM) is an integrative corporation of trade, research and contract manufacture. With about ten years of business experiences on the marketing & distribution, thinkchem specializes in exp

vitamin B1 mono 59-43-8 Fresh stock

Cas:59-43-8

Min.Order:25 Kilogram

FOB Price: $23.5 / 25.0

Type:Other

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Hangzhou Dingyan Chem Co., Ltd

Items Standard Result Assay (Ursolic acid) 98%min 98.22% -----------------------------------------------------------------------------------------------------------

High purity 59-43-8 Vitamin B1

Cas:59-43-8

Min.Order:1 Gram

FOB Price: $100.0 / 500.0

Type:Trading Company

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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

Thiamine chloride CAS NO.59-43-8

Cas:59-43-8

Min.Order:100 Gram

FOB Price: $2.0

Type:Manufacturers

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Wuhan Fortuna Chemical Co.,Ltd

Unique advantages for Thiamine chloride (Vitamin B1) Cas 59-43-8 Guaranteed the purity High quality & competitive price Quality control Fast feedback Prompt shipment Appearance:White or almost white crystalline powder Storage:cool dry place Packa

Factory price high quality Thiamine chloride (Vitamin B1) Cas 59-43-8 with best purity

Cas:59-43-8

Min.Order:25 Kilogram

FOB Price: $45.0 / 50.0

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 B1 Thiamine chloride 59-43-8

Cas:59-43-8

Min.Order:1 Metric Ton

Negotiable

Type:Trading Company

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Ality Chemical Corporation

The above product is Ality Chemical's strong item with best price, good quality and fast supply. Ality Chemical has been focusing on the research and production of this field for over 14 years. At the same time, we are always committed to providi

Factory Supply vitamin B1

Cas:59-43-8

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

High Quality Food Grade Thiamine chloride HACCP Manufacturer

Cas:59-43-8

Min.Order:1 Gram

FOB Price: $0.1

Type:Manufacturers

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Shanghai Seasonsgreen Chemical Co.,Ltd

Shanghai Seasonsgreen Chemical is a high-tech research and development, production, sale and custom synthesis set in one high-tech chemical products enterprises. Our sales and marketing division is located in Shanghai, serving international pharmaceu

lower price High quality vitamin B1

Cas:59-43-8

Min.Order:1 Kilogram

FOB Price: $1.0

Type:Manufacturers

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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

Nutrition Enhancers Vitamin B1/ Thiamine Chloride CAS 59-43-8

Cas:59-43-8

Min.Order:1 Kilogram

Negotiable

Type:Other

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Chemwill Asia Co., Ltd.

Our main production base is located in Xuzhou industry park. We are certified both to the ISO 9001 and ISO 14001 Standards, have a safety management system in place.Our R&D team masters core technology for process-design of target building block

Thiamine (unspecified salts)

Cas:59-43-8

Min.Order:5 Kiloliter

FOB Price: $1.2 / 5.0

Type:Manufacturers

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Kono Chem Co.,Ltd

Product Name: Thiamine chloride Cas No.:59-43-8 MF:C12H17ClN4OS MW:300.81 Purity:99% Appearance: white powder Shelf life:2 years

Hot Sale Thiamine chloride

Cas:59-43-8

Min.Order:1 Kilogram

FOB Price: $105.0 / 110.0

Type:Other

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Henan Tianfu Chemical Co., Ltd.

Thiamine chloride Basic information Product Name: Thiamine chloride Synonyms: 3-((4-amino-2-methyl-5-pyrimidinyl)methyl)-5-(2-hydroxyethyl)-4-methylthiazoli;aneurine;apatatedrape;b-amin;

TIANFU-CHEM CAS:59-43-8 Thiamine chloride

Cas:59-43-8

Min.Order:1 Gram

Negotiable

Type:Lab/Research institutions

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Hebei Nengqian Chemical Import and Export Co., LTD

With our good experience, we offer detailed technical support and advice to assist customers. We communicate closely with customers to establish their quality requirements. Consistent Quality Our plant has strict quality control in each manufactu

Thiamine Hydrochloride CAS 59-43-8 Vitamin B1

Cas:59-43-8

Min.Order:1 Kilogram

FOB Price: $1.0 / 10.0

Type:Trading Company

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Zhuozhou Wenxi import and Export Co., Ltd

WITH US,YOUR MONEY IN SAFE,YOUR BUSINESS IN SAFE 1)Quick Response Within 12 hours; 2)Quality Guarantee: All products are strictly tested by our QC, confirmed by QA and approved by third party lab in China, USA, Canada, Germany, UK, Italy, France et

Pharmaceutical Grade CAS 59-43-8 with competitive price

Cas:59-43-8

Min.Order:1 Kilogram

FOB Price: $139.0 / 210.0

Type:Trading Company

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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

Thiamine chloride/ LIDE PHARMA- Factory supply / Best price

Cas:59-43-8

Min.Order:0

Negotiable

Type:Lab/Research institutions

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Henan Sinotech Import&Export Corporation

Product Name Vitamin B1 Thiamine chloride CAS 59-43-8 Specification 99% Appearance White Powder Odor Characteristi

Thiamine chloride

Cas:59-43-8

Min.Order:1 Kilogram

FOB Price: $1.0

Type:Other

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Henan Wentao Chemical Product Co., Ltd.

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

Thiazolium, 3-(4-amino-2-methyl-5-pyrimidinyl)methyl-5-(2-hydroxyethyl)-4-methyl- chlorideCAS NO.:59-43-8

Cas:59-43-8

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

99% Thiamine chloride Manufacturer CAS 59-43-8 crystalline powder

Cas:59-43-8

Min.Order:10 Gram

Negotiable

Type:Other

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Shanghai Upbio Tech Co.,Ltd

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

Thiamine chloride 59-43-8

Cas:59-43-8

Min.Order:1 Kilogram

Negotiable

Type:Lab/Research institutions

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

Hangzhou Fonlynn Health Technology Co., Ltd.

Packing: According to customer requirements Delivery time: In stock or depands Port of shipment: Ningbo/Shanghai/Qingdao OEM/ODM:Welcome Sample:We can offer our existing samples at once Appearance:white powder/ Refer to COA Storage:Refer to COA

Vitamin B1 59-43-8 cas USP 99% Thiamine Chloride

Cas:59-43-8

Min.Order:1 Kilogram

Negotiable

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 present

Vitamin B1 Mono/Thiamine Mononitrate with CAS:59-43-8

Cas:59-43-8

Min.Order:1 Kilogram

FOB Price: $32.0 / 39.0

Type:Trading Company

inquiry

Qingdao Beluga Import and Export Co., LTD

Thiamine chloride CAS: 59-43-8 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 intermedi

Thiamine chloride CAS: 59-43-8

Cas:59-43-8

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

Thiamine chloride

Cas:59-43-8

Min.Order:1 Kilogram

Negotiable

Type:Lab/Research institutions

inquiry

Hubei Jiutian Bio-medical Technology Co., Ltd

1,we produce and sell good chemicals around the world. 2,our success rate is about 95%. this means, if customer order is accepted, the probability that the customer will obtain the ordered substances, is 95%. 3,our staff consists of highly qualifie

cas 59-43-8 Thiamine chloride

Cas:59-43-8

Min.Order:1 Kilogram

Negotiable

Type:Lab/Research institutions

inquiry

Hebei Mojin Biotechnology Co.,Ltd

Product quality: Our company have high quality product , and also the product we have good manufacture . First of all, this product is of fine quality. Every finish should be checked by quality inspection system.And every one should be also tried

Vitamin B1 Thiamine chloride cas 59-43-8

Cas:59-43-8

Min.Order:1 Kilogram

FOB Price: $20.0 / 30.0

Type:Trading Company

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Hebei Quanhe Biotechnology Co. LTD

1. Timely and efficient service to ensure communication with customers 2. Produce products of different specifications and sizes according to your requirements. 3. Quality procedures and standards recognized by SGS. Advanced plant equipment ensures s

Thiamine chloride

Cas:59-43-8

Min.Order:1 Kilogram

FOB Price: $14.0 / 18.0

Type:Lab/Research institutions

inquiry

Guangdong Juda Chemical Industrial Co.,Limited

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;

Thiamine Mononitrate Vitamin B1 Vb1 Mono CAS 59-43-8

Cas:59-43-8

Min.Order:1 Kilogram

Negotiable

Type:Trading Company

inquiry

Leader Biochemical Group

PRODUCT DETAILS

China Largest Manufacturer factory sales Thiamine CAS 59-43-8

Cas:59-43-8

Min.Order:500 Kilogram

FOB Price: $1.0 / 2.0

Type:Lab/Research institutions

inquiry

Synthetic route

Thiamine hydrochloride
67-03-8

Thiamine hydrochloride

vitamin B1
59-43-8

vitamin B1

Conditions
ConditionsYield
With sodium hydroxide In ethanol100%
3-(4-amino-2-methyl-pyrimidin-5-ylmethyl)-5-(2-hydroxy-ethyl)-4-methyl-3H-thiazole-2-thione
299-35-4

3-(4-amino-2-methyl-pyrimidin-5-ylmethyl)-5-(2-hydroxy-ethyl)-4-methyl-3H-thiazole-2-thione

vitamin B1
59-43-8

vitamin B1

Conditions
ConditionsYield
(i) aq. H2O2, (ii) aq. HCl; Multistep reaction;
3-(4-amino-2-methyl-pyrimidin-5-ylmethyl)-5-(2-hydroxy-ethyl)-2-hydroxymethyl-4-methyl-thiazolium; chloride monohydrochloride
22580-38-7

3-(4-amino-2-methyl-pyrimidin-5-ylmethyl)-5-(2-hydroxy-ethyl)-2-hydroxymethyl-4-methyl-thiazolium; chloride monohydrochloride

vitamin B1
59-43-8

vitamin B1

Conditions
ConditionsYield
With hydrogenchloride
[3-(4-amino-2-methyl-pyrimidin-5-ylmethyl)-3a-methyl-hexahydro-furo[2,3-d]thiazol-2-yl]-phenyl-methanone
24912-08-1

[3-(4-amino-2-methyl-pyrimidin-5-ylmethyl)-3a-methyl-hexahydro-furo[2,3-d]thiazol-2-yl]-phenyl-methanone

vitamin B1
59-43-8

vitamin B1

Conditions
ConditionsYield
With hydrogenchloride In ethanol; acetone Ambient temperature;
2-(α-hydroxybenzyl)thiaminium chloride
27350-85-2, 134876-54-3

2-(α-hydroxybenzyl)thiaminium chloride

A

benzoic acid methyl ester
93-58-3

benzoic acid methyl ester

B

vitamin B1
59-43-8

vitamin B1

C

benzaldehyde
100-52-7

benzaldehyde

Conditions
ConditionsYield
With potassium hydroxide; oxygen In methanol Mechanism; and under aerobic conditions;
methanol
67-56-1

methanol

2-(α-hydroxybenzyl)thiaminium chloride
27350-85-2, 134876-54-3

2-(α-hydroxybenzyl)thiaminium chloride

A

benzoic acid methyl ester
93-58-3

benzoic acid methyl ester

B

vitamin B1
59-43-8

vitamin B1

Conditions
ConditionsYield
With thymoquinone; sodium acetate; acetic acid Rate constant; var. conc. of quinone and buffer; var. quinones;
With oxygen; sodium acetate; acetic acid at 25℃; Mechanism; Rate constant;
5-(aminomethyl)-2-methylpyrimidin-4-amine
95-02-3

5-(aminomethyl)-2-methylpyrimidin-4-amine

vitamin B1
59-43-8

vitamin B1

Conditions
ConditionsYield
Multi-step reaction with 2 steps
1: (i) aq. NaOH, H2S, EtOH, (ii) /BRN= 126861/, (iii) /BRN= 1854721/
2: aq. HCl / ethanol; acetone / Ambient temperature
View Scheme
vitamin B1
59-43-8

vitamin B1

lithium 4,4,5,5,6,6-hexafluorodihydro-4H-1,3,2-dithiazine 1,1,3,3-tetraoxide

lithium 4,4,5,5,6,6-hexafluorodihydro-4H-1,3,2-dithiazine 1,1,3,3-tetraoxide

C12H17N4OS(1+)*2C3F6NO4S2(1-)*H(1+)

C12H17N4OS(1+)*2C3F6NO4S2(1-)*H(1+)

Conditions
ConditionsYield
With water In water at 20℃;90%
vitamin B1
59-43-8

vitamin B1

bis(trifluoromethane)sulfonimide lithium
90076-65-6

bis(trifluoromethane)sulfonimide lithium

C12H17N4OS(1+)*2C2F6NO4S2(1-)*H(1+)

C12H17N4OS(1+)*2C2F6NO4S2(1-)*H(1+)

Conditions
ConditionsYield
With water at 20℃;89%
vitamin B1
59-43-8

vitamin B1

N4-sulfamoylthiamine

N4-sulfamoylthiamine

Conditions
ConditionsYield
With pyridine; sulfamate de pentachlorophenyle at 100℃; for 2h;86%
vitamin B1
59-43-8

vitamin B1

2,3-dicyano-5,6-dichloro-p-benzoquinone
84-58-2

2,3-dicyano-5,6-dichloro-p-benzoquinone

C12H17N4OS(1+)*Cl(1-)*C8Cl2N2O2

C12H17N4OS(1+)*Cl(1-)*C8Cl2N2O2

Conditions
ConditionsYield
In methanol at 25℃;83.3%
vitamin B1
59-43-8

vitamin B1

lithium bis((pentafluoroethyl)sulfonyl)amide

lithium bis((pentafluoroethyl)sulfonyl)amide

C12H17N4OS(1+)*2C4F10NO4S2(1-)*H(1+)

C12H17N4OS(1+)*2C4F10NO4S2(1-)*H(1+)

Conditions
ConditionsYield
With water at 20℃;83%
3,6-dichloro-2,5-dihydroxy-1,4-benzoquinone
87-88-7

3,6-dichloro-2,5-dihydroxy-1,4-benzoquinone

vitamin B1
59-43-8

vitamin B1

C12H17N4OS(1+)*Cl(1-)*C6H2Cl2O4

C12H17N4OS(1+)*Cl(1-)*C6H2Cl2O4

Conditions
ConditionsYield
In methanol at 25℃; for 1h;80.1%
vitamin B1
59-43-8

vitamin B1

thiamin ylide (*1.18 NaCl)
2942-53-2

thiamin ylide (*1.18 NaCl)

Conditions
ConditionsYield
With sodium ethanolate In ethanol at -10 - -5℃; for 0.5h;80%
vitamin B1
59-43-8

vitamin B1

palladium diacetate
3375-31-3

palladium diacetate

C12H16Cl2N4OPdS

C12H16Cl2N4OPdS

Conditions
ConditionsYield
With sodium t-butanolate In tetrahydrofuran at 20℃; for 5h; Reflux;80%
3-(3-oxo-4-androsten-17β-oxycarbonyl)propionic acid
521-15-3

3-(3-oxo-4-androsten-17β-oxycarbonyl)propionic acid

vitamin B1
59-43-8

vitamin B1

3-{4-[3-(10,13-dimethyl-3-oxo-2,3,6,7,8,9,10,11,12,13,14,15,16,17-tetradecahydro-1H-cyclopenta[a]phenanthren-17-yloxycarbonyl)propionylamino]-2-methyl-pyrimidin-5-ylmethyl}-5-(2-hydroxyethyl)-4-methylthiazol-3-ium chloride
1325716-77-5

3-{4-[3-(10,13-dimethyl-3-oxo-2,3,6,7,8,9,10,11,12,13,14,15,16,17-tetradecahydro-1H-cyclopenta[a]phenanthren-17-yloxycarbonyl)propionylamino]-2-methyl-pyrimidin-5-ylmethyl}-5-(2-hydroxyethyl)-4-methylthiazol-3-ium chloride

Conditions
ConditionsYield
With 1-ethyl-(3-(3-dimethylamino)propyl)-carbodiimide hydrochloride In water; acetonitrile at 20℃; for 48h;73%
vitamin B1
59-43-8

vitamin B1

C12H17IN4OS(2+)*Cl(1-)*I3(1-)

C12H17IN4OS(2+)*Cl(1-)*I3(1-)

Conditions
ConditionsYield
With iodine In methanol at 25℃; for 0.666667h;70%
vitamin B1
59-43-8

vitamin B1

5‐(azidomethyl)‐2‐methylpyrimidin‐4‐amine
63423-50-7

5‐(azidomethyl)‐2‐methylpyrimidin‐4‐amine

Conditions
ConditionsYield
Stage #1: vitamin B1 With sodium azide; sodium sulfite In water at 65℃; for 5h;
Stage #2: With citric acid In water at 20℃; for 0.5h; pH=Ca. 4;
Stage #3: With potassium carbonate In water pH=8;
65%
With sodium azide; sodium sulfite In water at 65℃; for 5h;63%
With sodium azide; sodium sulfite In water at 65℃; for 5h;63%
3-pyridinecarboxaldehyde
500-22-1

3-pyridinecarboxaldehyde

vitamin B1
59-43-8

vitamin B1

[5-(2-hydroxy-ethyl)-4-methyl-thiazol-2-yl]-pyridin-3-yl-methanone
1026039-92-8

[5-(2-hydroxy-ethyl)-4-methyl-thiazol-2-yl]-pyridin-3-yl-methanone

Conditions
ConditionsYield
With triethylamine In methanol for 1h; Heating;29%
vitamin B1
59-43-8

vitamin B1

aniline
62-53-3

aniline

N-(2-methyl-4-amino-5-pyrimidinyl)methylaniline
1886-29-9

N-(2-methyl-4-amino-5-pyrimidinyl)methylaniline

Conditions
ConditionsYield
With sodium thiosulfate In ethanol; water for 1h; Heating;25%
furfural
98-01-1

furfural

vitamin B1
59-43-8

vitamin B1

A

furil
492-94-4

furil

B

furan-2-yl-[5-(2-hydroxy-ethyl)-4-methyl-thiazol-2-yl]-methanone
28168-46-9

furan-2-yl-[5-(2-hydroxy-ethyl)-4-methyl-thiazol-2-yl]-methanone

C

furoin
552-86-3

furoin

Conditions
ConditionsYield
With triethylamine; acrylonitrile In ethanol for 2h;A 3%
B 10%
C 23%
With triethylamine; acrylonitrile In ethanol for 2h; Product distribution; other thiamine derivatives, var. solvents, reaction times and temp.;A 3%
B 10%
C 23%
morpholine
110-91-8

morpholine

carbon disulfide
75-15-0

carbon disulfide

vitamin B1
59-43-8

vitamin B1

morpholine-4-carbodithioic acid 4-amino-2-methyl-pyrimidin-5-ylmethyl ester
26608-22-0

morpholine-4-carbodithioic acid 4-amino-2-methyl-pyrimidin-5-ylmethyl ester

furfural
98-01-1

furfural

vitamin B1
59-43-8

vitamin B1

furan-2-yl-[5-(2-hydroxy-ethyl)-4-methyl-thiazol-2-yl]-methanone
28168-46-9

furan-2-yl-[5-(2-hydroxy-ethyl)-4-methyl-thiazol-2-yl]-methanone

Conditions
ConditionsYield
With triethylamine In methanol for 5h; Heating;
(E)-3-phenylpropenal
14371-10-9

(E)-3-phenylpropenal

methanol
67-56-1

methanol

vitamin B1
59-43-8

vitamin B1

1-[9-(2-hydroxy-ethyl)-2,9a-dimethyl-5,9,9a,10-tetrahydro-pyrimido[4,5-d]thiazolo[3,4-a]pyrimidin-7-yl]-3-methoxy-3-phenyl-propan-1-one
28168-52-7

1-[9-(2-hydroxy-ethyl)-2,9a-dimethyl-5,9,9a,10-tetrahydro-pyrimido[4,5-d]thiazolo[3,4-a]pyrimidin-7-yl]-3-methoxy-3-phenyl-propan-1-one

Conditions
ConditionsYield
With triethylamine for 5h; Heating;
methanol
67-56-1

methanol

di-adamantan-1-yl-tetrasulfane
51171-25-6

di-adamantan-1-yl-tetrasulfane

vitamin B1
59-43-8

vitamin B1

[6a-adamantan-1-yldisulfanyl-3-(4-amino-2-methyl-pyrimidin-5-ylmethyl)-3a-methyl-hexahydro-furo[2,3-d]thiazol-2-yl]-methanol
66241-47-2

[6a-adamantan-1-yldisulfanyl-3-(4-amino-2-methyl-pyrimidin-5-ylmethyl)-3a-methyl-hexahydro-furo[2,3-d]thiazol-2-yl]-methanol

Conditions
ConditionsYield
(γ-irradiation);
methanol
67-56-1

methanol

vitamin B1
59-43-8

vitamin B1

[3-(4-amino-2-methyl-pyrimidin-5-ylmethyl)-3a-methyl-hexahydro-furo[2,3-d]thiazol-2-yl]-phosphonic acid dimethyl ester
17749-80-3

[3-(4-amino-2-methyl-pyrimidin-5-ylmethyl)-3a-methyl-hexahydro-furo[2,3-d]thiazol-2-yl]-phosphonic acid dimethyl ester

Conditions
ConditionsYield
(i) Et3N, (ii) diphenyl hydrogen phosphite; Multistep reaction;
phosgene
75-44-5

phosgene

vitamin B1
59-43-8

vitamin B1

3-(4-amino-2-methyl-pyrimidin-5-ylmethyl)-5-(2-chlorocarbonyloxy-ethyl)-4-methyl-thiazolium; chloride
96793-20-3

3-(4-amino-2-methyl-pyrimidin-5-ylmethyl)-5-(2-chlorocarbonyloxy-ethyl)-4-methyl-thiazolium; chloride

Conditions
ConditionsYield
In acetic acid
methyl phosphite
96-36-6, 868-85-9

methyl phosphite

vitamin B1
59-43-8

vitamin B1

[3-(4-amino-2-methyl-pyrimidin-5-ylmethyl)-3a-methyl-hexahydro-furo[2,3-d]thiazol-2-yl]-phosphonic acid dimethyl ester
17749-80-3

[3-(4-amino-2-methyl-pyrimidin-5-ylmethyl)-3a-methyl-hexahydro-furo[2,3-d]thiazol-2-yl]-phosphonic acid dimethyl ester

Conditions
ConditionsYield
(i) Et3N, MeOH, (ii) /BRN= 1697490/; Multistep reaction;
Ethyl isothiocyanate
542-85-8

Ethyl isothiocyanate

vitamin B1
59-43-8

vitamin B1

3-(4-amino-2-methyl-pyrimidin-5-ylmethyl)-1',3'-diethyl-3a-methyl-tetrahydro-spiro[furo[2,3-d]thiazole-2,4'-imidazolidine]-2',5'-dithione
23972-04-5

3-(4-amino-2-methyl-pyrimidin-5-ylmethyl)-1',3'-diethyl-3a-methyl-tetrahydro-spiro[furo[2,3-d]thiazole-2,4'-imidazolidine]-2',5'-dithione

Conditions
ConditionsYield
With triethylamine In N,N-dimethyl-formamide
Diethyl phosphonate
762-04-9, 123-22-8

Diethyl phosphonate

vitamin B1
59-43-8

vitamin B1

[3-(4-amino-2-methyl-pyrimidin-5-ylmethyl)-3a-methyl-hexahydro-furo[2,3-d]thiazol-2-yl]-phosphonic acid diethyl ester
17958-67-7

[3-(4-amino-2-methyl-pyrimidin-5-ylmethyl)-3a-methyl-hexahydro-furo[2,3-d]thiazol-2-yl]-phosphonic acid diethyl ester

Conditions
ConditionsYield
(i) Et3N, EtOH, (ii) /BRN= 1839985/; Multistep reaction;
dipropyl phosphite
54722-86-0

dipropyl phosphite

vitamin B1
59-43-8

vitamin B1

[3-(4-amino-2-methyl-pyrimidin-5-ylmethyl)-3a-methyl-hexahydro-furo[2,3-d]thiazol-2-yl]-phosphonic acid dipropyl ester
21585-60-4

[3-(4-amino-2-methyl-pyrimidin-5-ylmethyl)-3a-methyl-hexahydro-furo[2,3-d]thiazol-2-yl]-phosphonic acid dipropyl ester

Conditions
ConditionsYield
(i) Et3N, nPrOH, (ii) /BRN= 1840391/; Multistep reaction;
dibutyl hydrogen phosphite
109-47-7

dibutyl hydrogen phosphite

vitamin B1
59-43-8

vitamin B1

[3-(4-amino-2-methyl-pyrimidin-5-ylmethyl)-3a-methyl-hexahydro-furo[2,3-d]thiazol-2-yl]-phosphonic acid dibutyl ester
21585-61-5

[3-(4-amino-2-methyl-pyrimidin-5-ylmethyl)-3a-methyl-hexahydro-furo[2,3-d]thiazol-2-yl]-phosphonic acid dibutyl ester

Conditions
ConditionsYield
(i) Et3N, nBuOH, (ii) /BRN= 1840736/; Multistep reaction;
dibutyl hydrogen phosphite
109-47-7

dibutyl hydrogen phosphite

vitamin B1
59-43-8

vitamin B1

A

[3-(4-amino-2-methyl-pyrimidin-5-ylmethyl)-3a-methyl-hexahydro-furo[2,3-d]thiazol-2-yl]-phosphonic acid dibutyl ester
21585-61-5

[3-(4-amino-2-methyl-pyrimidin-5-ylmethyl)-3a-methyl-hexahydro-furo[2,3-d]thiazol-2-yl]-phosphonic acid dibutyl ester

B

[9-(2-hydroxy-ethyl)-2,9a-dimethyl-5,9,9a,10-tetrahydro-pyrimido[4,5-d]thiazolo[3,4-a]pyrimidin-7-yl]-phosphonic acid dibutyl ester
25714-92-5

[9-(2-hydroxy-ethyl)-2,9a-dimethyl-5,9,9a,10-tetrahydro-pyrimido[4,5-d]thiazolo[3,4-a]pyrimidin-7-yl]-phosphonic acid dibutyl ester

Conditions
ConditionsYield
(i) Et3N, nBuOH, (ii) /BRN= 1840736/; Multistep reaction;
dibenzyl hydrogen phosphite
538-60-3

dibenzyl hydrogen phosphite

vitamin B1
59-43-8

vitamin B1

[3-(4-amino-2-methyl-pyrimidin-5-ylmethyl)-3a-methyl-hexahydro-furo[2,3-d]thiazol-2-yl]-phosphonic acid dibenzyl ester
21585-63-7

[3-(4-amino-2-methyl-pyrimidin-5-ylmethyl)-3a-methyl-hexahydro-furo[2,3-d]thiazol-2-yl]-phosphonic acid dibenzyl ester

Conditions
ConditionsYield
(i) Et3N, MeCN, (ii) /BRN= 2132437/; Multistep reaction;
dibenzyl hydrogen phosphite
538-60-3

dibenzyl hydrogen phosphite

vitamin B1
59-43-8

vitamin B1

A

[3-(4-amino-2-methyl-pyrimidin-5-ylmethyl)-3a-methyl-hexahydro-furo[2,3-d]thiazol-2-yl]-phosphonic acid dibenzyl ester
21585-63-7

[3-(4-amino-2-methyl-pyrimidin-5-ylmethyl)-3a-methyl-hexahydro-furo[2,3-d]thiazol-2-yl]-phosphonic acid dibenzyl ester

B

[9-(2-hydroxy-ethyl)-2,9a-dimethyl-5,9,9a,10-tetrahydro-pyrimido[4,5-d]thiazolo[3,4-a]pyrimidin-7-yl]-phosphonic acid dibenzyl ester
21585-64-8

[9-(2-hydroxy-ethyl)-2,9a-dimethyl-5,9,9a,10-tetrahydro-pyrimido[4,5-d]thiazolo[3,4-a]pyrimidin-7-yl]-phosphonic acid dibenzyl ester

Conditions
ConditionsYield
(i) Et3N, MeCN, (ii) /BRN= 2132437/; Multistep reaction;
di-adamantan-1-yl-tetrasulfane
51171-25-6

di-adamantan-1-yl-tetrasulfane

vitamin B1
59-43-8

vitamin B1

5-(6a-adamantan-1-yldisulfanyl-3a-methyl-tetrahydro-furo[2,3-d]thiazol-3-ylmethyl)-2-methyl-pyrimidin-4-ylamine
66241-46-1

5-(6a-adamantan-1-yldisulfanyl-3a-methyl-tetrahydro-furo[2,3-d]thiazol-3-ylmethyl)-2-methyl-pyrimidin-4-ylamine

Conditions
ConditionsYield
(γ-irradiation);
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