7-TMCA
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- Molecular Formula:C10H12N6O3S2
- Molecular Weight:328.376
- Appearance/Colour:similar white powder
- Vapor Pressure:2.75E-20mmHg at 25°C
- Melting Point:890°C
- Refractive Index:1.956
- Boiling Point:695.2 °C at 760 mmHg
- PKA:2.54±0.50(Predicted)
- Flash Point:374.2 °C
- PSA：177.83000
- Density:2.04 g/cm3
- LogP:-0.47850
7-TMCA(Cas 24209-38-9) Usage
InChI:InChI=1/C10H12N6O3S2/c1-15-10(12-13-14-15)21-3-4-2-20-8-5(11)7(17)16(8)6(4)9(18)19/h5,8H,2-3,11H2,1H3,(H,18,19)/t5-,8-/m0/s1
24209-38-9 Relevant articles
New adaptation diseases of cefoperazone medicinal preparation for treating endometritis and other gynecological genital tract infections
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Paragraph 0108; 0109; 0115-0126; 0141-0142, (2020/08/22)
The invention discloses new adaptation d...
1/5 water cefamandole sodium compound
-
Paragraph 0029; 0030, (2017/07/20)
The invention discloses a 1/5 water cefa...
1/4 head spore Meng Duozhi sodium compound (by machine translation)
-
Paragraph 0025; 0026; 0029; 0030; 0033; 0034; 0037-0039, (2017/07/20)
The invention discloses 1/4 head spore M...
Preparation method of cefmetazole
-
Paragraph 0024, (2016/10/10)
The invention relates to a preparation m...
24209-38-9 Process route
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13183-79-4
1-methyl-5-mercaptotetrazole
-
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957-68-6
7-Aminocephalosporanic acid
-
![(6R,7R)-7-amino-3-[(1H-1-methyltetrazol-5-yl)thio]methylceph-3-em-4-carboxylic acid](/upload/2026/10/564749b3bb114917a8bea0260dd630bc_b437a8e4-e5ae-462c-93ee-341934982317.png)
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24209-38-9
(6R,7R)-7-amino-3-[(1H-1-methyltetrazol-5-yl)thio]methylceph-3-em-4-carboxylic acid
| Conditions | Yield |
|---|---|
|
1-methyl-5-mercaptotetrazole;
With
boron trifluoride dimethyl carbonate complex; carbonic acid dimethyl ester;
at 10 - 12 ℃;
for 0.166667h;
7-Aminocephalosporanic acid;
at 25 ℃;
for 0.75h;
With
chloroacetyl chloride;
In
N,N-dimethyl-formamide;
at 0 ℃;
for 0.75h;
|
98% |
|
With
pyridine; tetrabutoxytitanium; titanium tetrachloride;
In
acetonitrile;
at 5 - 30 ℃;
for 3h;
Reagent/catalyst;
|
98% |
|
With
boron trifluoride;
In
acetonitrile;
at 30 ℃;
for 1.5h;
|
94.7% |
|
With
boron trifluoride diethyl etherate;
In
acetonitrile;
at 50 ℃;
for 2.5h;
|
91.3% |
|
With
boron trifluoride diethyl etherate;
In
acetonitrile;
at 50 ℃;
for 2.5h;
Reagent/catalyst;
|
91.3% |
|
With
methanesulfonic acid;
In
acetic acid;
at 50 ℃;
for 2.5h;
|
81% |
|
Product distribution;
effect of different acids, solvents, reaction temps. and time;
|
|
|
|
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18686-81-2
1H-tetrazole-5-thiol
-
-
957-68-6
7-Aminocephalosporanic acid
-
-
24209-38-9
(6R,7R)-7-amino-3-[(1H-1-methyltetrazol-5-yl)thio]methylceph-3-em-4-carboxylic acid
| Conditions | Yield |
|---|---|
|
With
acetonitrile boron trifluoride complex;
In
acetonitrile;
at 30 ℃;
for 2h;
|
324 g |
24209-38-9 Upstream products
-
13183-79-4
1-methyl-5-mercaptotetrazole
-
957-68-6
7-Aminocephalosporanic acid
-
106134-67-2
(6R,7R)-trimethylsilyl 7-(trimethylsilyl)amino-3-iodomethylceph-3-em-4-carboxylate
-
111389-99-2
(6R,7R)-Trimethylsilyl 7-[((Trimethylsilyl)oxy)carbonyl]-amino-3-iodomethylceph-3-em-4-carboxylate
24209-38-9 Downstream products
-
60445-97-8
(6R)-7t-(3,5-di-tert-butyl-4-hydroxy-benzylideneamino)-7c-methoxy-3-(1-methyl-1H-tetrazol-5-ylsulfanylmethyl)-8-oxo-(6rH)-5-thia-1-aza-bicyclo[4.2.0]oct-2-ene-2-carboxylic acid; benzyl-trimethyl-ammonium salt
-
77127-98-1
7-<(R)-2-<3-(3,4-diacetoxybenzoyl)-3-methylureido>-2-phenylacetamido>-3-<(1-methyl-1H-tetrazol-5-yl)thiomethyl>-3-cephem-4-carboxylic acid
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77119-49-4
7-<(R)-2-<3-(3,4-diacetoxybenzoyl)-3-methylureido>-2-(4-hydroxyphenyl)acetamido>-3-<(1-methyl-1H-tetrazol-5-yl)thiomethyl>-3-cephem-4-carboxylic acid
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67366-03-4
C17H16N6O3S3
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