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Tianjin Kind Pharma Co., Ltd.

Factory direct sales, accept customization. Thiotriazinone can be used in the preparation of Cefalosporins. Kind Pharma has its own laboratory, we can do analytical testing for API (Active Pharmaceutical Ingredient), pharmaceutical intermediate, pe

Thiotriazinone

Cas:58909-39-0

Min.Order:1 Kilogram

Negotiable

Type:Lab/Research institutions

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

Tetrahydro-2-methyl-3-thioxo-1,2,4-triazine-5,6-dione Manufacturer/High quality/Best price/In stock

Cas:58909-39-0

Min.Order:1 Kilogram

FOB Price: $3.0

Type:Lab/Research institutions

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

Wuhan Fortuna Chemical Co.,Ltd

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

Manufacturer high quality Thiotriazinone Cas 58909-39-0 with good price

Cas:58909-39-0

Min.Order:1 Kilogram

Negotiable

Type:Trading Company

inquiry

Henan Allgreen Chemical Co.,Ltd

high quality Appearance:White or off-white Solid Storage:Sealed, dry, microtherm , avoid light and smell. Package:According to the demand of customer Application:Organic synthesis Transportation:by air or by sea Port:shanghai

Tetrahydro-2-methyl-3-thioxo-1,2,4-triazine-5,6-dione

Cas:58909-39-0

Min.Order:1 Gram

Negotiable

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 Tetrahydro-2-methyl-3-thioxo-1,2,4-triazine-5,6-dione

Cas:58909-39-0

Min.Order:1

Negotiable

Type:Other

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

2,5-Dihydro-6-hydroxy-2-methyl-3-mercapto-5-oxo-1,2,4-triazine

Cas:58909-39-0

Min.Order:5 Kiloliter

FOB Price: $1.2 / 5.0

Type:Manufacturers

inquiry

Henan Tianfu Chemical Co., Ltd.

Tetrahydro-2-methyl-3-thioxo-1,2,4-triazine-5,6-dione Basic information Product Name: Tetrahydro-2-methyl-3-thioxo-1,2,4-triazine-5,6-dione Synonyms: 2,5-Dihydro-6-hydroxy-3-mercapto-2-m

TIANFU-CHEM CAS:58909-39-0 Tetrahydro-2-methyl-3-thioxo-1,2,4-triazine-5,6-dione

Cas:58909-39-0

Min.Order:1 Gram

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

Thiotriazinone

Cas:58909-39-0

Min.Order:1 Kilogram

FOB Price: $9.0 / 99.0

Type:Trading Company

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 58909-39-0 with competitive price

Cas:58909-39-0

Min.Order:1 Kilogram

FOB Price: $139.0 / 210.0

Type:Trading Company

inquiry

Leader Biochemical Group

About Product Details Thiotriazinone Basic informa

China Biggest factory Manufacturer Supply Thiotriazinone CAS 58909-39-0

Cas:58909-39-0

Min.Order:1 Kilogram

FOB Price: $3.0 / 10.0

Type:Lab/Research institutions

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

Tetrahydro-2-methyl-3-thioxo-1,2,4-triazine-5,6-dione 58909-39-0

Cas:58909-39-0

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

Tetrahydro-2-methyl-3-thioxo-1,2,4-triazine-5,6-dione

Cas:58909-39-0

Min.Order:0

Negotiable

Type:Lab/Research institutions

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

Tetrahydro-2-methyl-3-thioxo-1,2,4-triazine-5,6-dione

Cas:58909-39-0

Min.Order:10 Kilogram

Negotiable

Type:Trading Company

inquiry

Afine Chemicals Limited

Our Services 1. New Molecules R&D 2. Own test center HPLC NMR GC LC-MS 3. API and Intermediates from China reputed manufacturers 4. Documents support COA MOA MSDS DMF open part Our advantages 1. Government awarded company. Top 100 enter

Tetrahydro-2-methyl-3-thioxo-1,2,4-triazine-5,6-dione

Cas:58909-39-0

Min.Order:1 Kilogram

FOB Price: $10.0 / 1000.0

Type:Lab/Research institutions

inquiry

Hangzhou Keyingchem Co.,Ltd

Hangzhou KeyingChem Co., Ltd. exported this product to many countries and regions at best price. If you are looking for the material’s manufacturer or supplier in China, KeyingChem is your best choice. Pls contact with us freely for getting det

Tetrahydro-2-methyl-3-thioxo-1,2,4-triazine-5,6-dione

Cas:58909-39-0

Min.Order:0 Metric Ton

Negotiable

Type:Lab/Research institutions

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

Tetrahydro-2-methyl-3-thioxo-1,2,4-triazine-5,6-dione

Cas:58909-39-0

Min.Order:0

Negotiable

Type:Lab/Research institutions

inquiry

Hangzhou Lingrui Chemical Co.,Ltd.

advantage: 1. The best price, satisfactory quality; 2. customers have the right to choose the delivery of parcels (EMS, DHL, FedEx, UPS); 3. customers have the right to choose from the recent effective packaging methods of their products packaging

Best price Thiotriazinone In stock

Cas:58909-39-0

Min.Order:1 Gram

Negotiable

Type:Other

inquiry

Chemlyte Solutions

Chemlyte Solutions believe that customers and suppliers deserve much more than what traditional distributors can offer. To grow in today s fast-paced and increasingly competitive market it is essential to be able to quickly adapt to market forces eff

Featured products Thiotriazinone

Cas:58909-39-0

Min.Order:100 Gram

Negotiable

Type:Other

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:For medicine , pesticide intermedia

Tetrahydro-2-methyl-3-thioxo-1,2,4-triazine-5,6-dione

Cas:58909-39-0

Min.Order:1 Gram

Negotiable

Type:Trading Company

inquiry

Hebei yanxi chemical co.,LTD.

1. Best quality in your requirement 2. Competitive price in China market 3. mature Technical support 4. Professional logistic support 5 . Full experience of large numbers containers loading in Chinese sea port 6 Fast shipment by reputed shipping

Thiotriazinone

Cas:58909-39-0

Min.Order:25 Kilogram

FOB Price: $57.0 / 60.0

Type:Trading Company

inquiry

Siwei Development Group Ltd.

Product name: Tetrahydro-2-Methyl-3-Thioxo-1,2,4-Triazine-5,6-Dione CAS No.:58909-39-0 Molecule Formula:C4H5N3O2S Molecule Weight:159.17 Purity: 99.0% Package: 25kg/drum Description:White or off-white crystalline powder Manufacture St

Best Quality Tetrahydro-2-Methyl-3-Thioxo-1,2,4-Triazine-5,6-Dione

Cas:58909-39-0

Min.Order:1 Kilogram

Negotiable

Type:Trading Company

inquiry

Xiamen Jenny Chemical Technology Co., Ltd.

GMP standard, high purity, competitive price, in stock 1. Quick Response: within 6 hours after receiving your email. 2. Quality Guarantee: All products are strictly tested by our QC, confirmed by QA, and approved by a third-party lab in China, USA,

Thiotriazinone

Cas:58909-39-0

Min.Order:1 Milligram

Negotiable

Type:Trading Company

inquiry

EAST CHEMSOURCES LIMITED

factory?direct?saleAppearance:White Powder Storage:Store In Dry, Cool And Ventilated Place Package:25kg/drum, also according to the clients requirement Application:It is widely used as a thickener, emulsifier and stabilizer Transportation:By Sea Or B

Tetrahydro-2-methyl-3-thioxo-1,2,4-triazine-5,6-dione

Cas:58909-39-0

Min.Order:1 Kilogram

FOB Price: $18.0 / 20.0

Type:Trading Company

inquiry

Shandong Mopai Biotechnology Co., LTD

Shandong Mopai Biotechnology 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 chemicals. W

Tetrahydro-2-methyl-3-thioxo-1,2,4-triazine-5,6-dione

Cas:58909-39-0

Min.Order:1 Gram

Negotiable

Type:Lab/Research institutions

inquiry

KAISA GROUP INC

1.Applied in food field.it can improve the immune system and prolong life. 2.Appliedin cosmetic field.it can improve the skin care. 3.Applied in pharmaceutical field.it can treat various dieases. 4.Our product quality assurance will make our customer

Tetrahydro-2-methyl-3-thioxo-1,2,4-triazine-5,6-dione

Cas:58909-39-0

Min.Order:1 Metric Ton

FOB Price: $1.5

Type:Trading Company

inquiry

Hunan chemfish Pharmaceutical co.,Ltd

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

Thiotriazinone

Cas:58909-39-0

Min.Order:0

Negotiable

Type:Manufacturers

inquiry

SAGECHEM LIMITED

SAGECHEM is a chemical R&D, manufacturing and distribution company in China since 2009, including pharmaceutical intermediates, agrochemical, dyestuff intermediates, organosilicone, API and etc. We also offer a full range of services in custom synthe

SAGECHEM/Thiotriazinone

Cas:58909-39-0

Min.Order:0

Negotiable

Type:Lab/Research institutions

inquiry

Bluecrystal chem-union

We are a Union of chemistry in China, consists of chemists,engineers, laboratories,factories in China. We organize surplus capacity of R&D and production as well as custom synthesis for chemical products and chemical business project. We are supp

Tetrahydro-2-methyl-3-thioxo-1,2,4-triazine-5,6-dione

Cas:58909-39-0

Min.Order:1 Metric Ton

FOB Price: $1.0

Type:Trading Company

inquiry

Kono Chem Co.,Ltd

high purity lowest priceAppearance:solid or liquid Storage:in sealed air resistant place Package:drum and bag Application:for pharma use Transportation:by sea or air Port:Beijing or Guangzhou

Thiotriazinone

Cas:58909-39-0

Min.Order:0

Negotiable

Type:Other

inquiry

Synthetic route

2-methyl-thiosemicarbazide
6938-68-7

2-methyl-thiosemicarbazide

oxalic acid diethyl ester
95-92-1

oxalic acid diethyl ester

2-methyl-3-mercapto-5-oxo-6-hydroxy-2,5-dihydro-1,2,4-triazine
58909-39-0

2-methyl-3-mercapto-5-oxo-6-hydroxy-2,5-dihydro-1,2,4-triazine

Conditions
ConditionsYield
With dmap; N,N,N,N,-tetramethylethylenediamine; sodium methylate In methanol; ethanol at 15 - 55℃; for 4h; Temperature; Solvent; Reagent/catalyst;92.7%
With sodium methylate In methanol; dimethyl sulfoxide at 0 - 45℃; Solvent;91.6%
Dimethyl oxalate
553-90-2

Dimethyl oxalate

ammonium thiocyanate

ammonium thiocyanate

methylhydrazine
60-34-4

methylhydrazine

2-methyl-3-mercapto-5-oxo-6-hydroxy-2,5-dihydro-1,2,4-triazine
58909-39-0

2-methyl-3-mercapto-5-oxo-6-hydroxy-2,5-dihydro-1,2,4-triazine

Conditions
ConditionsYield
Stage #1: ammonium thiocyanate; methylhydrazine In water at 95 - 100℃;
Stage #2: Dimethyl oxalate With sodium methylate In methanol at 65 - 75℃; for 6h; Temperature;
75%
sodium salt of ceftriaxone

sodium salt of ceftriaxone

A

2-methyl-3-mercapto-5-oxo-6-hydroxy-2,5-dihydro-1,2,4-triazine
58909-39-0

2-methyl-3-mercapto-5-oxo-6-hydroxy-2,5-dihydro-1,2,4-triazine

B

(6R,7S)-7-{2-(2-Amino-thiazol-4-yl)-2-[(Z)-methoxyimino]-acetylamino}-3-(6-hydroxy-2-methyl-5-oxo-2,5-dihydro-[1,2,4]triazin-3-ylsulfanylmethyl)-8-oxo-5-thia-1-aza-bicyclo[4.2.0]oct-2-ene-2-carboxylic acid anion

(6R,7S)-7-{2-(2-Amino-thiazol-4-yl)-2-[(Z)-methoxyimino]-acetylamino}-3-(6-hydroxy-2-methyl-5-oxo-2,5-dihydro-[1,2,4]triazin-3-ylsulfanylmethyl)-8-oxo-5-thia-1-aza-bicyclo[4.2.0]oct-2-ene-2-carboxylic acid anion

C

C14H13N5O6S2(2-)
153470-19-0

C14H13N5O6S2(2-)

Conditions
ConditionsYield
With Carbonate buffer at 37℃; Rate constant; H/D-isotopic effect were studied too;
(6R,7S)-7-{2-(2-Amino-thiazol-4-yl)-2-[(Z)-methoxyimino]-acetylamino}-3-(6-hydroxy-2-methyl-5-oxo-2,5-dihydro-[1,2,4]triazin-3-ylsulfanylmethyl)-8-oxo-5-thia-1-aza-bicyclo[4.2.0]oct-2-ene-2-carboxylic acid anion

(6R,7S)-7-{2-(2-Amino-thiazol-4-yl)-2-[(Z)-methoxyimino]-acetylamino}-3-(6-hydroxy-2-methyl-5-oxo-2,5-dihydro-[1,2,4]triazin-3-ylsulfanylmethyl)-8-oxo-5-thia-1-aza-bicyclo[4.2.0]oct-2-ene-2-carboxylic acid anion

A

2-methyl-3-mercapto-5-oxo-6-hydroxy-2,5-dihydro-1,2,4-triazine
58909-39-0

2-methyl-3-mercapto-5-oxo-6-hydroxy-2,5-dihydro-1,2,4-triazine

B

sodium salt of ceftriaxone

sodium salt of ceftriaxone

C

C14H13N5O6S2(2-)

C14H13N5O6S2(2-)

Conditions
ConditionsYield
With Carbonate buffer at 37℃; Rate constant; H/D-isotopic effect were studied too;
2-methyl-3-mercapto-5-oxo-6-hydroxy-2,5-dihydro-1,2,4-triazine
58909-39-0

2-methyl-3-mercapto-5-oxo-6-hydroxy-2,5-dihydro-1,2,4-triazine

2-(2-amino-1,3-thiazol-4-yl)-1-(1,3-benzothiazol-2-ylsulfanyl)-2-(methoxyimino)ethan-1-one
94088-75-2

2-(2-amino-1,3-thiazol-4-yl)-1-(1,3-benzothiazol-2-ylsulfanyl)-2-(methoxyimino)ethan-1-one

7-Aminocephalosporanic acid
957-68-6

7-Aminocephalosporanic acid

ceftriaxone sodium

ceftriaxone sodium

Conditions
ConditionsYield
Stage #1: 2-methyl-3-mercapto-5-oxo-6-hydroxy-2,5-dihydro-1,2,4-triazine; 7-Aminocephalosporanic acid With carbonic acid dimethyl ester at 35℃; for 1h;
Stage #2: 2-(2-amino-1,3-thiazol-4-yl)-1-(1,3-benzothiazol-2-ylsulfanyl)-2-(methoxyimino)ethan-1-one for 0.166667h;
Stage #3: With triethylamine at 10℃; for 4h; Concentration; Temperature;
99.5%
2-methyl-3-mercapto-5-oxo-6-hydroxy-2,5-dihydro-1,2,4-triazine
58909-39-0

2-methyl-3-mercapto-5-oxo-6-hydroxy-2,5-dihydro-1,2,4-triazine

7-Aminocephalosporanic acid
957-68-6

7-Aminocephalosporanic acid

7-aminoceftrizine
58909-56-1

7-aminoceftrizine

Conditions
ConditionsYield
With boron trifluoride dimethyl carbonate complex; methanesulfonic acid at 10 - 12℃; for 0.383333h; Reagent/catalyst;95.1%
With boron trifluoride dimethyl carbonate complex; edetate disodium at 30℃; for 0.833333h; Time;90%
With boron trifluoride In acetonitrile at 10 - 30℃; for 0.5h;85.71%
2-methyl-3-mercapto-5-oxo-6-hydroxy-2,5-dihydro-1,2,4-triazine
58909-39-0

2-methyl-3-mercapto-5-oxo-6-hydroxy-2,5-dihydro-1,2,4-triazine

7-Aminocephalosporanic acid
957-68-6

7-Aminocephalosporanic acid

7-amino-3-[(2,5-dihydro-6-hydroxy-2-methyl-5-oxo-1,2,4-triazine-3-mercapto)methyl]-3 cephalosporin-4-carboxylic acid
58909-56-1

7-amino-3-[(2,5-dihydro-6-hydroxy-2-methyl-5-oxo-1,2,4-triazine-3-mercapto)methyl]-3 cephalosporin-4-carboxylic acid

Conditions
ConditionsYield
With aluminum (III) chloride; boron trifluoride; carbonic acid dimethyl ester at 5 - 30℃; for 1h;92%
With aluminum (III) chloride; boron trifluoride; carbonic acid dimethyl ester at 5 - 30℃; for 1h; Reagent/catalyst;90%
2-methyl-3-mercapto-5-oxo-6-hydroxy-2,5-dihydro-1,2,4-triazine
58909-39-0

2-methyl-3-mercapto-5-oxo-6-hydroxy-2,5-dihydro-1,2,4-triazine

7α-methoxy-8-oxo-2-(pyrrolidinocarbonyl)-3-(chloromethyl)-5-thia-1-azabicyclo<4.2.0>oct-2-ene 5,5-dioxide
143731-84-4

7α-methoxy-8-oxo-2-(pyrrolidinocarbonyl)-3-(chloromethyl)-5-thia-1-azabicyclo<4.2.0>oct-2-ene 5,5-dioxide

L-659,286
119742-06-2

L-659,286

Conditions
ConditionsYield
With sodium hydrogencarbonate In water; acetone for 16h; Ambient temperature;85%
2-methyl-3-mercapto-5-oxo-6-hydroxy-2,5-dihydro-1,2,4-triazine
58909-39-0

2-methyl-3-mercapto-5-oxo-6-hydroxy-2,5-dihydro-1,2,4-triazine

fipronilβ-cyclodextrin
7585-39-9

fipronilβ-cyclodextrin

C4H5N3O2S*C42H70O35

C4H5N3O2S*C42H70O35

Conditions
ConditionsYield
In water at 30℃; for 24.5h;83%
2-methyl-3-mercapto-5-oxo-6-hydroxy-2,5-dihydro-1,2,4-triazine
58909-39-0

2-methyl-3-mercapto-5-oxo-6-hydroxy-2,5-dihydro-1,2,4-triazine

1,1-dimethylethyl 3-(chloromethyl)-7α-methoxy-8-oxo-5-thia-1-azabicyclo<4.2.0>oct-2-ene-2-carboxylate 5,5-dioxide
95672-05-2

1,1-dimethylethyl 3-(chloromethyl)-7α-methoxy-8-oxo-5-thia-1-azabicyclo<4.2.0>oct-2-ene-2-carboxylate 5,5-dioxide

1,1-dimethylethyl 7α-methoxy-3-{[(1,2,5,6-tetrahydro-5,6-dioxo-2-methyl-as-triazin-3-yl)thio]methyl}-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylate 5,5-dioxide
116536-09-5

1,1-dimethylethyl 7α-methoxy-3-{[(1,2,5,6-tetrahydro-5,6-dioxo-2-methyl-as-triazin-3-yl)thio]methyl}-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylate 5,5-dioxide

Conditions
ConditionsYield
With sodium hydrogencarbonate In water; acetone80%
2-methyl-3-mercapto-5-oxo-6-hydroxy-2,5-dihydro-1,2,4-triazine
58909-39-0

2-methyl-3-mercapto-5-oxo-6-hydroxy-2,5-dihydro-1,2,4-triazine

tert-butylchlorodiphenylsilane
58479-61-1

tert-butylchlorodiphenylsilane

6-((tert-butyldiphenylsilyl)oxy)-3-mercapto-2-methyl-1,2,4-triazin-5(2H)-one

6-((tert-butyldiphenylsilyl)oxy)-3-mercapto-2-methyl-1,2,4-triazin-5(2H)-one

Conditions
ConditionsYield
With triethylamine In tetrahydrofuran at 20 - 25℃; for 1h;78%
With triethylamine In tetrahydrofuran
2-methyl-3-mercapto-5-oxo-6-hydroxy-2,5-dihydro-1,2,4-triazine
58909-39-0

2-methyl-3-mercapto-5-oxo-6-hydroxy-2,5-dihydro-1,2,4-triazine

alpha cyclodextrin
10016-20-3

alpha cyclodextrin

C36H60O30*C4H5N3O2S

C36H60O30*C4H5N3O2S

Conditions
ConditionsYield
In water at 30℃; for 24.5h;50%
2-methyl-3-mercapto-5-oxo-6-hydroxy-2,5-dihydro-1,2,4-triazine
58909-39-0

2-methyl-3-mercapto-5-oxo-6-hydroxy-2,5-dihydro-1,2,4-triazine

N-methyl-N-<(tert-butoxycarbonyl)methyl>-3-(chloromethyl)-7α-methoxy-8-oxo-5-thia-1-azabicyclo<4.2.0>oct-2-ene-2-carboxamide 5,5-dioxide
116536-11-9

N-methyl-N-<(tert-butoxycarbonyl)methyl>-3-(chloromethyl)-7α-methoxy-8-oxo-5-thia-1-azabicyclo<4.2.0>oct-2-ene-2-carboxamide 5,5-dioxide

N-methyl-N-[(tert-butoxycarbonyl)methyl]-7α-methoxy-8-oxo-3-{[(1,2,5,6-tetrahydro-5,6-dioxo-2-methyl-as-triazin-3-yl)thio]methyl}-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxamide 5,5-dioxide
116536-14-2

N-methyl-N-[(tert-butoxycarbonyl)methyl]-7α-methoxy-8-oxo-3-{[(1,2,5,6-tetrahydro-5,6-dioxo-2-methyl-as-triazin-3-yl)thio]methyl}-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxamide 5,5-dioxide

Conditions
ConditionsYield
With sodium hydrogencarbonate In water; acetone for 16h; Ambient temperature;45%
2-methyl-3-mercapto-5-oxo-6-hydroxy-2,5-dihydro-1,2,4-triazine
58909-39-0

2-methyl-3-mercapto-5-oxo-6-hydroxy-2,5-dihydro-1,2,4-triazine

[((6R,7S)-3-Chloromethyl-7-ethyl-5,5,8-trioxo-5λ6-thia-1-aza-bicyclo[4.2.0]oct-2-ene-2-carbonyl)-methyl-amino]-acetic acid tert-butyl ester

[((6R,7S)-3-Chloromethyl-7-ethyl-5,5,8-trioxo-5λ6-thia-1-aza-bicyclo[4.2.0]oct-2-ene-2-carbonyl)-methyl-amino]-acetic acid tert-butyl ester

{[(6R,7S)-7-Ethyl-3-(6-hydroxy-2-methyl-5-oxo-2,5-dihydro-[1,2,4]triazin-3-ylsulfanylmethyl)-5,5,8-trioxo-5λ6-thia-1-aza-bicyclo[4.2.0]oct-2-ene-2-carbonyl]-methyl-amino}-acetic acid tert-butyl ester

{[(6R,7S)-7-Ethyl-3-(6-hydroxy-2-methyl-5-oxo-2,5-dihydro-[1,2,4]triazin-3-ylsulfanylmethyl)-5,5,8-trioxo-5λ6-thia-1-aza-bicyclo[4.2.0]oct-2-ene-2-carbonyl]-methyl-amino}-acetic acid tert-butyl ester

Conditions
ConditionsYield
With sodium hydrogencarbonate In water; acetone for 16h; Ambient temperature;
2-methyl-3-mercapto-5-oxo-6-hydroxy-2,5-dihydro-1,2,4-triazine
58909-39-0

2-methyl-3-mercapto-5-oxo-6-hydroxy-2,5-dihydro-1,2,4-triazine

3-[((6R,7S)-3-Chloromethyl-7-methoxy-5,5,8-trioxo-5λ6-thia-1-aza-bicyclo[4.2.0]oct-2-ene-2-carbonyl)-methyl-amino]-propionic acid tert-butyl ester

3-[((6R,7S)-3-Chloromethyl-7-methoxy-5,5,8-trioxo-5λ6-thia-1-aza-bicyclo[4.2.0]oct-2-ene-2-carbonyl)-methyl-amino]-propionic acid tert-butyl ester

3-{[(6R,7S)-3-(6-Hydroxy-2-methyl-5-oxo-2,5-dihydro-[1,2,4]triazin-3-ylsulfanylmethyl)-7-methoxy-5,5,8-trioxo-5λ6-thia-1-aza-bicyclo[4.2.0]oct-2-ene-2-carbonyl]-methyl-amino}-propionic acid tert-butyl ester

3-{[(6R,7S)-3-(6-Hydroxy-2-methyl-5-oxo-2,5-dihydro-[1,2,4]triazin-3-ylsulfanylmethyl)-7-methoxy-5,5,8-trioxo-5λ6-thia-1-aza-bicyclo[4.2.0]oct-2-ene-2-carbonyl]-methyl-amino}-propionic acid tert-butyl ester

Conditions
ConditionsYield
With sodium hydrogencarbonate In water; acetone for 16h; Ambient temperature;
2-methyl-3-mercapto-5-oxo-6-hydroxy-2,5-dihydro-1,2,4-triazine
58909-39-0

2-methyl-3-mercapto-5-oxo-6-hydroxy-2,5-dihydro-1,2,4-triazine

(S)-1-((6R,7S)-3-Chloromethyl-7-methoxy-5,5,8-trioxo-5λ6-thia-1-aza-bicyclo[4.2.0]oct-2-ene-2-carbonyl)-pyrrolidine-2-carboxylic acid tert-butyl ester

(S)-1-((6R,7S)-3-Chloromethyl-7-methoxy-5,5,8-trioxo-5λ6-thia-1-aza-bicyclo[4.2.0]oct-2-ene-2-carbonyl)-pyrrolidine-2-carboxylic acid tert-butyl ester

(S)-1-[(6R,7S)-3-(6-Hydroxy-2-methyl-5-oxo-2,5-dihydro-[1,2,4]triazin-3-ylsulfanylmethyl)-7-methoxy-5,5,8-trioxo-5λ6-thia-1-aza-bicyclo[4.2.0]oct-2-ene-2-carbonyl]-pyrrolidine-2-carboxylic acid tert-butyl ester

(S)-1-[(6R,7S)-3-(6-Hydroxy-2-methyl-5-oxo-2,5-dihydro-[1,2,4]triazin-3-ylsulfanylmethyl)-7-methoxy-5,5,8-trioxo-5λ6-thia-1-aza-bicyclo[4.2.0]oct-2-ene-2-carbonyl]-pyrrolidine-2-carboxylic acid tert-butyl ester

Conditions
ConditionsYield
With sodium hydrogencarbonate In water; acetone for 16h; Ambient temperature;
2-methyl-3-mercapto-5-oxo-6-hydroxy-2,5-dihydro-1,2,4-triazine
58909-39-0

2-methyl-3-mercapto-5-oxo-6-hydroxy-2,5-dihydro-1,2,4-triazine

2α-bromo-4-(tert-butylcarbonyl)-7α-methoxy-3-methylcephem 1,1-dioxide
138810-38-5

2α-bromo-4-(tert-butylcarbonyl)-7α-methoxy-3-methylcephem 1,1-dioxide

4-(tert-butylcarbonyl)-2α-<6-(hydroxy-2-methyl-5-oxo-2,5-dihydro-1,2,4-triazin-3-yl)thio>-7α-methoxy-3-methyl-Δ3-cephem 1,1-dioxide

4-(tert-butylcarbonyl)-2α-<6-(hydroxy-2-methyl-5-oxo-2,5-dihydro-1,2,4-triazin-3-yl)thio>-7α-methoxy-3-methyl-Δ3-cephem 1,1-dioxide

Conditions
ConditionsYield
With TEA In acetonitrile for 0.5h;
2-methyl-3-mercapto-5-oxo-6-hydroxy-2,5-dihydro-1,2,4-triazine
58909-39-0

2-methyl-3-mercapto-5-oxo-6-hydroxy-2,5-dihydro-1,2,4-triazine

Conditions
ConditionsYield
With sodium acetate In methanol; dichloromethane; water
3-iodomethyl-3-cephem

3-iodomethyl-3-cephem

7β-[2-(2-Aminothiazol-4-yl)-(4-chlorobenzyloxyimino)acetamido]-3-acetoxymethyl-3-cephem-4-carboxylic acid

7β-[2-(2-Aminothiazol-4-yl)-(4-chlorobenzyloxyimino)acetamido]-3-acetoxymethyl-3-cephem-4-carboxylic acid

2-methyl-3-mercapto-5-oxo-6-hydroxy-2,5-dihydro-1,2,4-triazine
58909-39-0

2-methyl-3-mercapto-5-oxo-6-hydroxy-2,5-dihydro-1,2,4-triazine

7β-[2-(2-Aminothiazol-4-yl)-2-(4-chlorobenzyloxyimino)acetamido]-3-[(2,5-dihydro-6-hydroxy-2-methyl-5-oxo-1,2,4-triazin-3-yl)thiomethyl]-3-cephem-4-carboxylic acid

7β-[2-(2-Aminothiazol-4-yl)-2-(4-chlorobenzyloxyimino)acetamido]-3-[(2,5-dihydro-6-hydroxy-2-methyl-5-oxo-1,2,4-triazin-3-yl)thiomethyl]-3-cephem-4-carboxylic acid

Conditions
ConditionsYield
With TMSI; acetic acid In tetrahydrofuran; dichloromethane; water; dimethyl sulfoxide; acetonitrile
7β-[2-(2-aminothiazol-4-yl)-2-(4-hydroxybenzyloxyimino)acetamido]-3-acetoxymethyl-3-cephem-4-carboxylic acid

7β-[2-(2-aminothiazol-4-yl)-2-(4-hydroxybenzyloxyimino)acetamido]-3-acetoxymethyl-3-cephem-4-carboxylic acid

2-methyl-3-mercapto-5-oxo-6-hydroxy-2,5-dihydro-1,2,4-triazine
58909-39-0

2-methyl-3-mercapto-5-oxo-6-hydroxy-2,5-dihydro-1,2,4-triazine

7β-[2-(2-Aminothiazol-4-yl)-2-(4-hydroxybenzyloxyimino)acetamido]-3-[(2,5-dihydro-6-hydroxy-2-methyl5-oxo-1,2,4-triazin-3-yl)thiomethyl]-3-cephem-4carboxylic acid

7β-[2-(2-Aminothiazol-4-yl)-2-(4-hydroxybenzyloxyimino)acetamido]-3-[(2,5-dihydro-6-hydroxy-2-methyl5-oxo-1,2,4-triazin-3-yl)thiomethyl]-3-cephem-4carboxylic acid

Conditions
ConditionsYield
With TMSI; sodium hydrogencarbonate; acetic acid In tetrahydrofuran; dichloromethane; water; acetonitrile
4-picolylchloride hydrochloride
1822-51-1

4-picolylchloride hydrochloride

2-methyl-3-mercapto-5-oxo-6-hydroxy-2,5-dihydro-1,2,4-triazine
58909-39-0

2-methyl-3-mercapto-5-oxo-6-hydroxy-2,5-dihydro-1,2,4-triazine

2-methyl-3-(pyridin-4-ylmethylthio)-5-oxo-6-hydroxy-2,5-dihydro-1,2,4-triazine

2-methyl-3-(pyridin-4-ylmethylthio)-5-oxo-6-hydroxy-2,5-dihydro-1,2,4-triazine

Conditions
ConditionsYield
With sodium hydrogencarbonate In water
2-methyl-3-mercapto-5-oxo-6-hydroxy-2,5-dihydro-1,2,4-triazine
58909-39-0

2-methyl-3-mercapto-5-oxo-6-hydroxy-2,5-dihydro-1,2,4-triazine

7-aminocephalosporanic acid
108260-00-0

7-aminocephalosporanic acid

N,N,N',N'-tetramethylguanidine
80-70-6

N,N,N',N'-tetramethylguanidine

C12H13N5O5S2*C5H13N3

C12H13N5O5S2*C5H13N3

Conditions
ConditionsYield
Stage #1: 2-methyl-3-mercapto-5-oxo-6-hydroxy-2,5-dihydro-1,2,4-triazine; 7-aminocephalosporanic acid In acetonitrile
Stage #2: N,N,N',N'-tetramethylguanidine With triethylamine In dichloromethane at -15℃;

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