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Cas:84994-24-1
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Cas:84994-24-1
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2-(2-Amino-4-thiazolyl)-2-methoxyiminoacetic,thiobenzothiazole ester S-1,3-benzothiazol-2-yl (2Z)-(2-amino-1,3-thiazol-4-yl)(methoxyimino)ethanethioate CAS:84994-24-1 C13H10N4O2S3 Appearance: white powder Storage:Store in cool and dry place, away
Cas:84994-24-1
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Cas:84994-24-1
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Cas:84994-24-1
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Cas:84994-24-1
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Specifications CAS No.: 84994-24-1 Other Names: MAEM MF: MAEM EINECS No.: MAEM Place of Origin: Anhui, China (Mainland) Type: Anesthetic Agents, Anti-Allergic Agents, Antibiotic and Antimicrobial Agents, Antidote, Antineoplastic Agents, A
Cas:84994-24-1
Min.Order:0 Metric Ton
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inquirygood quality, competitive price, thoughtful after sale serviceAppearance:white powder Storage:Keep it in dry,shady and cool place Package:25kg,50kg,180kg,200kg,250kg,1000kg,customization Application:Pharma;Industry;Agricultural;chemical reaserch Tran
We are committed to providing our customers with the best products and services at the most competitive prices.Appearance:off-white powder Storage:Room temperature with sealed well Package:according to the clients requirement Application:Use as prima
MAEM cas 84994-24-1Appearance:white crystalline powder Storage:Store in dry, dark and ventilated place Package:25KG drum Application:intermediate Transportation:by air, by sea, by express
Best quality with low price Storage:ln stock Package:25kg/Barrel Application:Chemicals Transportation:Express/Sea/Air Port:Shanghai
bulk?production Application:Pharmaceutical intermediates
factory?direct?saleAppearance:White powder Storage:Sealed and preserved Package:200/Kilograms Application:healing drugs Transportation:By sea Port:Shanghai/tianjin
2-methoxyimino-2-(2-aminothiazol-4-yl)acetic acid S-2-benzothiazole ester
cefteram
Conditions | Yield |
---|---|
With sodium metabisulfite; triethylamine In methanol; dichloromethane at 0℃; for 3h; | 89.1% |
2-methoxyimino-2-(2-aminothiazol-4-yl)acetic acid S-2-benzothiazole ester
A
7-<(Z)-2-(2-Aminothiazol-4-yl)-2-methoxyiminoacetamido>-3(Z)-(4-methylthiazol-5-yl)vinyl-3-cephem-4-carboxylic acid sodium salt
B
7-<(Z)-2-(2-Aminothiazol-4-yl)-2-methoxyiminoacetamido>-3(E)-(4-methylthiazol-5-yl)vinyl-3-cephem-4-carboxylic acid sodium salt
Conditions | Yield |
---|---|
Stage #1: 7-amino-3-[2-(4-methyl-5-thiazolyl)vinyl]-3-cephem-4-carboxylic acid; 7-amino-3-[(E)-2-(4-methyl-5-thiazolyl)vinyl]-3-cephem-4-carboxylic acid; 2-methoxyimino-2-(2-aminothiazol-4-yl)acetic acid S-2-benzothiazole ester With triethylamine In water; acetone at 0 - 15℃; for 3 - 4h; Stage #2: With sodium 2-ethylhexanoic acid In water; acetone at 20 - 25℃; for 1h; Product distribution / selectivity; |
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