Product name: 2-Mercapto-5-methyl-1,3,4-thiadiazole Cas No: 29490-19-5 Assay: 99%min Hangzhou Verychem Science And Technology Co. Ltd. was set up in year 2004, it’s a young but fast growing c
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inquiryZibo Hangyu Biotechnology Development 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 chemi
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inquiryProduct Description Product Name 2-Mercapto-5-methyl-1,3,4-thiadiazole CAS No. 29490-19-5 Appearance White crystalline powder Assay ≥99% Capacity 200mt/year Min.packi
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inquiryGood quality 6-Methyleneandrost-4-ene-3,17-dione CAS 19457-55-7 Company profile Wuhan Fortuna Chemical Co.,Ltd established in 2006, is a big integrative chemical enterprise being engaged in Pharmaceutical & its intermediates, Food/Feed addit
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inquiryName:2-Mercapto-5-methyl-1,3,4-thiadiazole CAS NO: 29490-19-5 Grade:Medical scientific research and export Molecular formula:C3H4N2S2 Molecular weight:132.2073 Product Quality 12 years of chemical raw materials Mature operation of the indus
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inquiryCAS No.: 29490-19-5 Formula: C3H4N2S2 Molecular Weight: 132.21 Melting Point: 182-188ºC Boiling Point: 182.9ºC at 760 mm
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inquiryProduct Details Grade: pharmaceutical grade Purity:99%+ ProductionCapacity: 1000 Kilogram/Month Scope of use: For scientific research only(The product must be used legally) Our Advantage 1. Best quality with competitive price. 2. Quick shipping,
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inquiry2-mercapto-5-methyl-1,3,4-thiadiazole
Conditions | Yield |
---|---|
With hydrogenchloride In water at 30 - 35℃; for 0.5h; pH=4 - 4.5; | 99.9% |
Bis(2-methyl-1,3,4-thiadiazolyl)-5,5'-disulfide
2-mercapto-5-methyl-1,3,4-thiadiazole
Conditions | Yield |
---|---|
With hydrazine In dichloromethane for 0.25h; Ambient temperature; further reagents; | 87% |
potassium N-acetylhydrazinodithioformate
2-mercapto-5-methyl-1,3,4-thiadiazole
Conditions | Yield |
---|---|
With SO42-/TiO2-SnO2-Al2O3 solid super acid catalyst In tetrahydrofuran at -5 - 0℃; for 3.5h; | 84.2% |
With sulfuric acid at 5℃; | |
With sulfuric acid |
2-mercapto-5-methyl-1,3,4-thiadiazole
Conditions | Yield |
---|---|
With SO42-/TiO2-SnO2-Al2O3 solid super acid catalyst In tetrahydrofuran at -5 - 0℃; for 3.5h; Reagent/catalyst; | 83.5% |
delta-3 methyl ester of cefazolin
2-mercapto-5-methyl-1,3,4-thiadiazole
Conditions | Yield |
---|---|
With phosphate buffer at 40℃; for 0.0833333h; Rate constant; |
delta-3 methyl ester of cefazolin
A
cefazolin
B
2-mercapto-5-methyl-1,3,4-thiadiazole
D
(6R,7R)-3-(5-Methyl-[1,3,4]thiadiazol-2-ylsulfanylmethyl)-8-oxo-7-(2-tetrazol-1-yl-acetylamino)-5-thia-1-aza-bicyclo[4.2.0]oct-3-ene-2-carboxylic acid methyl ester
Conditions | Yield |
---|---|
With phosphate buffer at 40℃; for 0.0833333h; Mechanism; |
Conditions | Yield |
---|---|
With hydrazine 1) DMF, 0-5 deg C; 2) DMF, 0-5 deg C; 3) DMF, microwave irradiation, 1 min; Yield given. Multistep reaction; |
5-methyl-1,3,4-thiadiazol-2-amine
2-mercapto-5-methyl-1,3,4-thiadiazole
Conditions | Yield |
---|---|
With potassium hydroxide; hydrogen bromide; copper; thiourea; sodium nitrite In ethanol |
2-methyl-1,3,4-thiadiazoline-5-thione
2-mercapto-5-methyl-1,3,4-thiadiazole
Conditions | Yield |
---|---|
In argon matrix at -263.16℃; for 2.25h; UV-irradiation; |
carbon disulfide
acetic anhydride
thiosemicarbazide
2-mercapto-5-methyl-1,3,4-thiadiazole
Conditions | Yield |
---|---|
Stage #1: carbon disulfide; thiosemicarbazide With sodium carbonate In ethanol at 20 - 30℃; for 4.5h; Stage #2: acetic anhydride With sulfuric acid In ethanol at 0 - 20℃; for 2h; Reflux; |
cefazolin sodium
B
2-mercapto-5-methyl-1,3,4-thiadiazole
Conditions | Yield |
---|---|
With β-lactamase at 37℃; for 0.5h; pH=7.4; Time; Alkaline conditions; |
tetra(n-butyl)ammonium hydroxide
2-mercapto-5-methyl-1,3,4-thiadiazole
(5-methyl-[1,3,4]-thiadiazole-2-thiolate)tetrabutylammonium
Conditions | Yield |
---|---|
In methanol for 3h; Inert atmosphere; Reflux; | 100% |
In methanol for 3h; Reflux; Inert atmosphere; |
2-(trimethylsilyl)phenyl trifluoromethanesulfonate
2-mercapto-5-methyl-1,3,4-thiadiazole
5-methyl-2-phenylmercapto-1,3,4-thiadiazole
Conditions | Yield |
---|---|
With cesium fluoride In acetonitrile for 6h; Reagent/catalyst; Solvent; Sealed tube; Inert atmosphere; Reflux; | 100% |
2-mercapto-5-methyl-1,3,4-thiadiazole
3-iodopropyltrimethoxysilane
Conditions | Yield |
---|---|
Stage #1: 2-mercapto-5-methyl-1,3,4-thiadiazole With sodium methylate In methanol at 10 - 20℃; for 0.5h; Stage #2: 3-iodopropyltrimethoxysilane In methanol at 20 - 40℃; for 4.5h; | 99.9% |
2-(3,5-dichloro-4-oxopyridine-1(4H)-yl)acetic acid
2-mercapto-5-methyl-1,3,4-thiadiazole
Conditions | Yield |
---|---|
Stage #1: 2-(3,5-dichloro-4-oxopyridine-1(4H)-yl)acetic acid; 2-mercapto-5-methyl-1,3,4-thiadiazole With triethylamine In dichloromethane; N,N-dimethyl-formamide at 20℃; for 1h; Stage #2: With triphenyl phosphite In dichloromethane at 20 - 25℃; for 2h; | 99.7% |
[(2R,3S)-3-[(R)-1-(tert-Butyl-dimethyl-silanyloxy)-ethyl]-2-(2-chloro-acetylsulfanyl)-4-oxo-azetidin-1-yl]-(triphenyl-λ5-phosphanylidene)-acetic acid allyl ester
2-mercapto-5-methyl-1,3,4-thiadiazole
{(2R,3S)-3-[(R)-1-(tert-Butyl-dimethyl-silanyloxy)-ethyl]-2-[2-(5-methyl-[1,3,4]thiadiazol-2-ylsulfanyl)-acetylsulfanyl]-4-oxo-azetidin-1-yl}-(triphenyl-λ5-phosphanylidene)-acetic acid allyl ester
Conditions | Yield |
---|---|
With triethylamine In N,N-dimethyl-formamide; acetonitrile for 1h; Ambient temperature; | 99% |
2-(3-bromopropyl)isoindole-1,3-dione
2-mercapto-5-methyl-1,3,4-thiadiazole
2-(3-(5-methyl-1,3,4-thiadiazol-2-ylthio)propyl)-1H-isoindole-1,3(2H)-dione
Conditions | Yield |
---|---|
With potassium carbonate In N,N-dimethyl-formamide at 90℃; for 6h; Inert atmosphere; | 99% |
Conditions | Yield |
---|---|
With copper(l) iodide; potassium carbonate In N,N-dimethyl-formamide at 120℃; for 14h; Reagent/catalyst; Inert atmosphere; | 98% |
2-(3,5-dichloro-4-oxopyridine-1(4H)-yl)acetic acid
2-mercapto-5-methyl-1,3,4-thiadiazole
Conditions | Yield |
---|---|
Stage #1: 2-(3,5-dichloro-4-oxopyridine-1(4H)-yl)acetic acid; 2-mercapto-5-methyl-1,3,4-thiadiazole With pyridine In acetone at 20℃; for 1h; Stage #2: With triethyl phosphite In acetone at 20 - 25℃; for 2h; Solvent; Reagent/catalyst; | 97% |
2-mercapto-5-methyl-1,3,4-thiadiazole
7-phenylacetylamino-3-(2-methyl-1,3,4-thiadiazol-5-yl)thiomethyl-3-cephem-4-carboxylic acid p-methoxybenzyl ester
Conditions | Yield |
---|---|
In acetone at 50 - 55℃; for 3h; Time; | 97% |
benzyl bromide
2-methyl-5-trimethylsilylthio-1,3,4-thiadiazole
2-mercapto-5-methyl-1,3,4-thiadiazole
saccharin
2-[(phenylmethyl) thio]-5-methyl-1,3,4-thiadiazole
Conditions | Yield |
---|---|
With 1,1,1,3,3,3-hexamethyl-disilazane In N,N,N,N,N,N-hexamethylphosphoric triamide; water; ethyl acetate; acetonitrile | 96.4% |
(3R,4R)-4-{(1S)-3-chloro-2-oxo-1-methylpropoxy}-3-benzamido-1-(1-diphenylmethoxycarbonyl-1-triphenylphosphoranylidenemethyl)azetidin-2-one
2-mercapto-5-methyl-1,3,4-thiadiazole
{(2R,3R)-3-Benzoylamino-2-[(S)-1-methyl-3-(5-methyl-[1,3,4]thiadiazol-2-ylsulfanyl)-2-oxo-propoxy]-4-oxo-azetidin-1-yl}-(triphenyl-λ5-phosphanylidene)-acetic acid benzhydryl ester
Conditions | Yield |
---|---|
In N,N-dimethyl-formamide for 1h; Ambient temperature; | 96% |
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 |
2-mercapto-5-methyl-1,3,4-thiadiazole
4-chloro-benzenesulfenyl chloride
2-((4-chlorophenyl)disulfanyl)-5-methyl-1,3,4-thiadiazole
Conditions | Yield |
---|---|
In diethyl ether at 28℃; for 12h; | 96% |
1-(2-chloroethyl)-3-methylurea
2-mercapto-5-methyl-1,3,4-thiadiazole
N-Methyl-N'-<2-(5-methyl-1,3,4-thiadiazol-2-yl)-thioethyl>urea
Conditions | Yield |
---|---|
With triethylamine In acetonitrile for 3h; Heating; | 95% |
2-mercapto-5-methyl-1,3,4-thiadiazole
Conditions | Yield |
---|---|
With triethylamine In dichloromethane at 23℃; for 16h; | 95% |
2-mercapto-5-methyl-1,3,4-thiadiazole
7-Aminocephalosporanic acid
(6R,7R)-7-amino-3-(5-methyl-1,3,4-thiadiazol-2-ylthiomethyl)-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid
Conditions | Yield |
---|---|
With boron trifluoride dimethyl carbonate complex; acetic acid at 5 - 10℃; Temperature; | 95% |
With boron trifluoride dimethyl carbonate complex; carbonic acid dimethyl ester at 20 - 30℃; for 1h; Reagent/catalyst; | 92.1% |
With boron trifluoride In acetonitrile at 30℃; for 1.5h; | 86% |
2-mercapto-5-methyl-1,3,4-thiadiazole
Stearoyl chloride
A
Octadecanethioic acid S-(5-methyl-[1,3,4]thiadiazol-2-yl) ester
B
3-stearoyl-5-methyl-1,3,4-thiadiazole-2(3H)-thione
Conditions | Yield |
---|---|
With triethylamine In dichloromethane Yields of byproduct given; | A n/a B 95% |
trimethylaluminum
2-mercapto-5-methyl-1,3,4-thiadiazole
(1H-tetrazol-1-yl)-2-acetic acid methyl ester
Conditions | Yield |
---|---|
In hexane; dichloromethane; ethyl acetate; Petroleum ether | 95% |
2-mercapto-5-methyl-1,3,4-thiadiazole
2-((2-fluorophenyl)disulfanyl)-5-methyl-1,3,4-thiadiazole
Conditions | Yield |
---|---|
In diethyl ether at 28℃; for 12h; | 95% |
2-(4-bromobutyl)isoindoline-1,3-dione
2-mercapto-5-methyl-1,3,4-thiadiazole
Conditions | Yield |
---|---|
With tetrabutylammomium bromide; potassium carbonate In N,N-dimethyl-formamide at 20℃; for 6h; Inert atmosphere; | 95% |
2-mercapto-5-methyl-1,3,4-thiadiazole
7-Aminocephalosporanic acid
Conditions | Yield |
---|---|
With boron trifluoride diethyl etherate; acetic acid at 5 - 10℃; Temperature; | 95% |
2-mercapto-5-methyl-1,3,4-thiadiazole
(4R-cis)-6-(chloromethyl)-2,2-dimethyl-1,3-dioxane-4-acetic acid,1,1-dimethylethyl ester
Conditions | Yield |
---|---|
With N-benzyl-N,N,N-triethylammonium chloride; sodium carbonate In 1-methyl-pyrrolidin-2-one at 115℃; for 20h; Solvent; Reagent/catalyst; Inert atmosphere; | 95% |
With sodium carbonate In 1,4-dioxane at 80℃; for 6h; Inert atmosphere; |
2-mercapto-5-methyl-1,3,4-thiadiazole
Conditions | Yield |
---|---|
With potassium carbonate In N,N-dimethyl-formamide at 45 - 50℃; for 5h; | 94.6% |
2-bromo-5-nitro-1,3-thiazole
2-mercapto-5-methyl-1,3,4-thiadiazole
2-Methyl-5-[(5-nitrothiazol-2-yl)mercapto]-1,3,4-thiadiazole
Conditions | Yield |
---|---|
With potassium hydroxide In ethanol at 20℃; | 94% |
iodobenzene
2-mercapto-5-methyl-1,3,4-thiadiazole
5-methyl-2-phenylmercapto-1,3,4-thiadiazole
Conditions | Yield |
---|---|
With copper(l) iodide; potassium carbonate In N,N-dimethyl-formamide at 120℃; for 12h; Reagent/catalyst; Temperature; Solvent; Inert atmosphere; | 94% |
Conditions | Yield |
---|---|
With copper(l) iodide; potassium carbonate In N,N-dimethyl-formamide at 120℃; for 14h; Reagent/catalyst; Inert atmosphere; | 94% |
p-methoxybenzyl 7β-(2-phenylacetamido)-3-chloromethyl-3-cephem-4-carboxylate
2-mercapto-5-methyl-1,3,4-thiadiazole
Conditions | Yield |
---|---|
With triethylamine In dichloromethane at 0℃; for 10h; | 94% |
Conditions | Yield |
---|---|
With triethylamine In ethanol for 10h; Solvent; Reagent/catalyst; Reflux; | 93.86% |
2-6-dimethoxybenzoic acid
2-mercapto-5-methyl-1,3,4-thiadiazole
2,6-dimethoxybenzoyl-(5-methyl-1,3,4-thiadiazol-2-il)thiol ester
Conditions | Yield |
---|---|
With pyridine; trichlorophosphate In dichloromethane for 16h; Ambient temperature; | 93% |
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