As a leading manufacturer and supplier of chemicals in China, DayangChem not only supply popular chemicals, but also DayangChem's R&D center offer custom synthesis services. DayangChem can provide different quantities of custom synthesis ch
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inquiryProduct description: Product name D7-Amino-3-[(2-methyl-1,3,4-thiadiazol-5-ylthio)methyl]-3-cephem-4-carboxylic acid CAS number 30246-33-4 Assay ≥99% Appearance White powder Capacity 200
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inquiryHenan Tianfu Chemical Co., Ltd. is located in Zhengzhou High-tech Development Zone with import and export license. We passed ISO 9001:2008 in 2009, and won "High-tech Enterprise" by provincial government in 2013.The objective of the com
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inquiryAbout Product Details Items Specifications Test Results Appearance White to white crystalline powde
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inquiry7-Amino-3-[(5-methyl-1,3,4-thiadiazol-2-ylthio)methyl]-3-cephem-4-carboxylic Acid CAS:30246-33-4 Qingdao Belugas Import and Export Co., Ltd. is a scientific and technological company integrating research and development, production and trade of che
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inquiryHenan 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
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Cas:30246-33-4
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inquiryA substitute for perfluorooctanoic acid, mainly used as a surfactant, dispersant, additive, etc Appearance:White solid or Colorless liquid Purity:99.3 % We will ship the goods in a timely manner as required We can provide relevant documents acc
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inquiryJ&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
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inquiryProduct name: 7-Amino-3-[(5-Methyl-1,3,4-Thiadiazol-2-yl)Thiomethyl]Cephalosphoranicacid CAS No.: 30246-33-4 Molecule Formula:C11H12N4O3S3 Molecule Weight:344.43 Purity: 99.0% Package: 25kg/drum Description:White or off-white powder Manufactur
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inquiryProduct name: 7-Amino-3-[(5-methyl-1,3,4-thiadiazol-2-ylthio)methyl]-3-cephem-4-carboxylic Acid CAS No.: 30246-33-4 Chemical name: 7-AMINO-3-[(5-METHYL-1,3,4-THIADIAZOL-2-YL)THIOMETHYL]CEPHALOSPHORANIC ACID;TDA;(7r)-7-amino-3-[(5-methyl-1,3
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inquiryProduct Name: 7-Amino-3-[(5-methyl-1,3,4-thiadiazol-2-ylthio)methyl]-3-cephem-4-carboxylic Acid Synonyms: (7r)-7-amino-3[(5-methyl-1,3,4-thiadiazole-2-yl)thiomethyl]-3-cephem-4-carboxylic acid;7-Amino-3-([5-methyl-1,3,4-thiadiazol-2-yl] thiomethy
Cas:30246-33-4
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2-mercapto-5-methyl-1,3,4-thiadiazole
7-amino-3-(5'-methyl-1',3',4'-thiadiazol-2'-ylthiomethyl)cephalosporanic acid
Conditions | Yield |
---|---|
With boric acid; triethylamine In water | 96% |
In water; acetone | |
In water; acetone |
3-[(acetyloxy)methyl]-7-amino-8-oxo-5-thia-1-azabicyclo[4.2.0 ]oct-2-ene-2-carboxylic acid sodium salt
2-mercapto-5-methyl-1,3,4-thiadiazole
7-amino-3-(5'-methyl-1',3',4'-thiadiazol-2'-ylthiomethyl)cephalosporanic acid
Conditions | Yield |
---|---|
With sodium hydrogencarbonate In water | |
With sodium hydrogencarbonate In water | |
With sodium hydrogencarbonate In water | |
With sodium hydrogencarbonate In water |
pyrrolidine
7-amino-3-(5'-methyl-1',3',4'-thiadiazol-2'-ylthiomethyl)cephalosporanic acid
Conditions | Yield |
---|---|
With aluminum oxide at 120℃; for 0.0333333h; microwave irradiation; | 93% |
2-amino-5-(3-pyridyl)-1,3,4-thiadiazole
7-amino-3-(5'-methyl-1',3',4'-thiadiazol-2'-ylthiomethyl)cephalosporanic acid
Conditions | Yield |
---|---|
With aluminum oxide at 120℃; for 0.0166667h; microwave irradiation; | 92% |
2-amino-5-undecyl-1,3,4-thiadiazole
7-amino-3-(5'-methyl-1',3',4'-thiadiazol-2'-ylthiomethyl)cephalosporanic acid
Conditions | Yield |
---|---|
With aluminum oxide at 120℃; for 0.0333333h; microwave irradiation; | 90% |
piperidine
7-amino-3-(5'-methyl-1',3',4'-thiadiazol-2'-ylthiomethyl)cephalosporanic acid
Conditions | Yield |
---|---|
With aluminum oxide at 120℃; for 0.025h; microwave irradiation; | 89% |
2-amino-5-phenyl-1,3,4-thiadiazole
7-amino-3-(5'-methyl-1',3',4'-thiadiazol-2'-ylthiomethyl)cephalosporanic acid
Conditions | Yield |
---|---|
With aluminum oxide at 120℃; for 0.0166667h; microwave irradiation; | 87% |
7-amino-3-(5'-methyl-1',3',4'-thiadiazol-2'-ylthiomethyl)cephalosporanic acid
2-amino-5-(4-chlorophenyl)-1,3,4-thiadiazole
Conditions | Yield |
---|---|
With aluminum oxide at 120℃; for 0.025h; microwave irradiation; | 86% |
5-methyl-1,3,4-thiadiazol-2-amine
7-amino-3-(5'-methyl-1',3',4'-thiadiazol-2'-ylthiomethyl)cephalosporanic acid
Conditions | Yield |
---|---|
With aluminum oxide at 120℃; for 0.025h; microwave irradiation; | 85% |
7-amino-3-(5'-methyl-1',3',4'-thiadiazol-2'-ylthiomethyl)cephalosporanic acid
5-nonyl-[1,3,4]thiadiazol-2-ylamine
Conditions | Yield |
---|---|
With aluminum oxide at 120℃; for 0.025h; microwave irradiation; | 83% |
7-amino-3-(5'-methyl-1',3',4'-thiadiazol-2'-ylthiomethyl)cephalosporanic acid
A
7-amino-3-methylenecepham-4-carboxylic acid
B
7-aminodesacetoxycephalosporanic acid
Conditions | Yield |
---|---|
With N,N-Bis(trimethylsilyl)urea; ammonium chloride; zinc In N,N-dimethyl-formamide 1.) 25 deg C, 13 min, 2.) 5 deg C, 18 min, 3.) 5 deg C, 30 min; | A 66.5% B 3.0 % Chromat. |
7-amino-3-(5'-methyl-1',3',4'-thiadiazol-2'-ylthiomethyl)cephalosporanic acid
7-amino-3-hydroxycepham-4-carboxylic acid
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: 66.5 percent / bis(trimethylsilyl)urea (BSU), NH4Cl, zinc dust / dimethylformamide / 1.) 25 deg C, 13 min, 2.) 5 deg C, 18 min, 3.) 5 deg C, 30 min 2: 1.) MsOH, ozone, 2.) NaBH4, NaOH / 1.) MeOH, -75 deg C, 2.) MeOH/H2O, 0 - 10 deg C View Scheme |
7-amino-3-(5'-methyl-1',3',4'-thiadiazol-2'-ylthiomethyl)cephalosporanic acid
3-methylene-7-phenylacetamidocepham-4-carboxylic acid 1-sulfoxide
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: 66.5 percent / bis(trimethylsilyl)urea (BSU), NH4Cl, zinc dust / dimethylformamide / 1.) 25 deg C, 13 min, 2.) 5 deg C, 18 min, 3.) 5 deg C, 30 min 2: 1.) ozone, MsOH, 2.) NaBH4 / 1.) MeOH, -40 deg C, 2.) MeOH/H2O, 3.) pH 6.5 - 7.5 View Scheme |
7-amino-3-(5'-methyl-1',3',4'-thiadiazol-2'-ylthiomethyl)cephalosporanic acid
3-hydroxy-7-phenylacetamido-cepham-4-carboxylic acid
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: 66.5 percent / bis(trimethylsilyl)urea (BSU), NH4Cl, zinc dust / dimethylformamide / 1.) 25 deg C, 13 min, 2.) 5 deg C, 18 min, 3.) 5 deg C, 30 min 2: 1.) ozone, MsOH, 2.) NaBH4 / 1.) MeOH, -40 deg C, 2.) MeOH/H2O, 3.) pH 6.5 - 7.5 View Scheme |
7-amino-3-(5'-methyl-1',3',4'-thiadiazol-2'-ylthiomethyl)cephalosporanic acid
7-aminocephalosporanic acid
7-amino-3-(5'-methyl-1',3',4'-thiadiazol-2'-ylthiomethyl)cephalosporanic acid
isobutene
3-[(Acetyloxy)methyl]-7-amino-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid tert-butyl ester
Conditions | Yield |
---|---|
With sulfuric acid; sodium hydrogencarbonate In 1,4-dioxane; ethyl acetate; 7-aminodesacetoxycephalosporanic acid |
7-amino-3-(5'-methyl-1',3',4'-thiadiazol-2'-ylthiomethyl)cephalosporanic acid
A
7-amino-3-(5-methyl-1,3,4-thiadiazol-2-ylthiomethyl)-3-cephem-4-carboxylic acid t-butyl ester
B
3-[(Acetyloxy)methyl]-7-amino-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid tert-butyl ester
Conditions | Yield |
---|---|
In 7-aminodesacetoxycephalosporanic acid |
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