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diphenylmethyl (6R,7S)-7-amino-7-methoxy-3-<<(1-methyl-1H-tetrazol-5-yl)thio>methyl>-Δ3-cephem-4-carboxylate
Conditions | Yield |
---|---|
With pyridine; bis(trichloromethyl) carbonate In dichloromethane at -25 - 5℃; for 3h; Reagent/catalyst; Temperature; Solvent; Inert atmosphere; | 94.1% |
(6R-cis)-7-methoxy-3-<<(1-methyl-1-H-tetrazol-5-yl)thio>methyl>-8-oxo<(phenylacetyl)amino>-5-thia-1-azabicyclo<4.2.0>oct-2-ene-2-carboxylic acid diphenylmethyl ester
diphenylmethyl (6R,7S)-7-amino-7-methoxy-3-<<(1-methyl-1H-tetrazol-5-yl)thio>methyl>-Δ3-cephem-4-carboxylate
Conditions | Yield |
---|---|
With pyridine; phosphorus pentachloride In methanol; dichloromethane at -30 - 5℃; for 4h; Reagent/catalyst; | 91% |
Stage #1: (6R-cis)-7-methoxy-3-<<(1-methyl-1-H-tetrazol-5-yl)thio>methyl>-8-oxo<(phenylacetyl)amino>-5-thia-1-azabicyclo<4.2.0>oct-2-ene-2-carboxylic acid diphenylmethyl ester With pyridine; phosphorus pentachloride In dichloromethane at 5 - 8℃; for 2h; Stage #2: In methanol at -30 - -10℃; for 2h; | 90% |
2-amino-benzenethiol
(6R,7S)-7-[1-Chloro-but-(E)-ylideneamino]-7-methoxy-3-(1-methyl-1H-tetrazol-5-ylsulfanylmethyl)-8-oxo-5-thia-1-aza-bicyclo[4.2.0]oct-2-ene-2-carboxylic acid benzhydryl ester
A
2-propylbenzo[d]thiazole
B
diphenylmethyl (6R,7S)-7-amino-7-methoxy-3-<<(1-methyl-1H-tetrazol-5-yl)thio>methyl>-Δ3-cephem-4-carboxylate
C
(6R,7S)-7-Butyrylamino-7-methoxy-3-(1-methyl-1H-tetrazol-5-ylsulfanylmethyl)-8-oxo-5-thia-1-aza-bicyclo[4.2.0]oct-2-ene-2-carboxylic acid benzhydryl ester
Conditions | Yield |
---|---|
With pyridine In dichloromethane for 1.5h; Ambient temperature; | A 45% B 15% C 23% |
(6R,7S)-7-[1-Chloro-but-(E)-ylideneamino]-7-methoxy-3-(1-methyl-1H-tetrazol-5-ylsulfanylmethyl)-8-oxo-5-thia-1-aza-bicyclo[4.2.0]oct-2-ene-2-carboxylic acid benzhydryl ester
A
2-propylbenzo[d]thiazole
B
diphenylmethyl (6R,7S)-7-amino-7-methoxy-3-<<(1-methyl-1H-tetrazol-5-yl)thio>methyl>-Δ3-cephem-4-carboxylate
C
(6R,7S)-7-Butyrylamino-7-methoxy-3-(1-methyl-1H-tetrazol-5-ylsulfanylmethyl)-8-oxo-5-thia-1-aza-bicyclo[4.2.0]oct-2-ene-2-carboxylic acid benzhydryl ester
Conditions | Yield |
---|---|
With pyridine; 2-amino-benzenethiol In dichloromethane for 1.5h; Ambient temperature; | A 45% B 15% C 23% |
2-amino-benzenethiol
A
diphenylmethyl (6R,7S)-7-amino-7-methoxy-3-<<(1-methyl-1H-tetrazol-5-yl)thio>methyl>-Δ3-cephem-4-carboxylate
Conditions | Yield |
---|---|
With pyridine In dichloromethane Ambient temperature; | A 25% B 35% |
A
diphenylmethyl (6R,7S)-7-amino-7-methoxy-3-<<(1-methyl-1H-tetrazol-5-yl)thio>methyl>-Δ3-cephem-4-carboxylate
Conditions | Yield |
---|---|
With pyridine; 2-amino-benzenethiol In dichloromethane Ambient temperature; | A 25% B 35% |
(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 benzhydryl ester
diphenylmethyl (6R,7S)-7-amino-7-methoxy-3-<<(1-methyl-1H-tetrazol-5-yl)thio>methyl>-Δ3-cephem-4-carboxylate
Conditions | Yield |
---|---|
With girard's reagent T In methanol; ethyl acetate Ambient temperature; |
(6R,7S)-7-(5-Benzhydryloxycarbonyl-5-tert-butoxycarbonylamino-pentanoylamino)-7-methoxy-3-(1-methyl-1H-tetrazol-5-ylsulfanylmethyl)-8-oxo-5-thia-1-aza-bicyclo[4.2.0]oct-2-ene-2-carboxylic acid benzhydryl ester
diphenylmethyl (6R,7S)-7-amino-7-methoxy-3-<<(1-methyl-1H-tetrazol-5-yl)thio>methyl>-Δ3-cephem-4-carboxylate
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: phosgene-pyridine / CH2Cl2 / Ambient temperature 2: 25 percent / pyridine / CH2Cl2 / Ambient temperature View Scheme | |
Multi-step reaction with 2 steps 1: phosgene-pyridine / CH2Cl2 / Ambient temperature 2: 25 percent / pyridine, o-amino-benzenethiol / CH2Cl2 / Ambient temperature View Scheme |
(6R,7S)-7-Butyrylamino-7-methoxy-3-(1-methyl-1H-tetrazol-5-ylsulfanylmethyl)-8-oxo-5-thia-1-aza-bicyclo[4.2.0]oct-2-ene-2-carboxylic acid benzhydryl ester
diphenylmethyl (6R,7S)-7-amino-7-methoxy-3-<<(1-methyl-1H-tetrazol-5-yl)thio>methyl>-Δ3-cephem-4-carboxylate
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: phosgene-pyridine / CH2Cl2 / 3 h / Ambient temperature 2: 15 percent / pyridine, o-amino-benzenethiol / CH2Cl2 / 1.5 h / Ambient temperature View Scheme |
7β-amino-3-<<(1-methyl-1H-tetrazol-5-yl)thio>methyl>ceph-3-em-4-oic acid benzhydryl ester
diphenylmethyl (6R,7S)-7-amino-7-methoxy-3-<<(1-methyl-1H-tetrazol-5-yl)thio>methyl>-Δ3-cephem-4-carboxylate
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: (i) benzene, (ii) PbO2, 1,2-dichloroethane, (iii) /BRN= 1098229/, benzene 2: Girard T / ethyl acetate; methanol / Ambient temperature View Scheme |
The 7-MAC, with the cas registry number 56610-72-1, has the systematic name of diphenylmethyl (6R,7S)-7-amino-7-methoxy-3-{[(1-methyl-1H-tetrazol-5-yl)sulfanyl]methyl}-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylate. This is a kind of faint yellow to yellow powder and is usually applied as the pharmaceutic intermediate, such as being the stem nucleus of some medicine as cefmetazole sodium, cefotetan.
The characteristics of this chemical are as follows: (1)ACD/LogP: 3.31; (2)# of Rule of 5 Violations: 2; (3)ACD/LogD (pH 5.5): 3.31; (4)ACD/LogD (pH 7.4): 3.31; (5)#H bond acceptors: 10; (6)#H bond donors: 2; (7)#Freely Rotating Bonds: 10; (8)Polar Surface Area: 176.06; (9)Index of Refraction: 1.733; (10)Molar Refractivity: 139.66 cm3; (11)Molar Volume: 348.5 cm3; (12)Polarizability: 55.36 ×10-24 cm3; (13)Surface Tension: 65.1 dyne/cm; (14)Density: 1.5 g/cm3; (15)Flash Point: 403.2 °C; (16)Enthalpy of Vaporization: 108.37 kJ/mol; (17)Boiling Point: 743.2 °C at 760 mmHg; (18)Vapour Pressure: 5.89E-22 mmHg at 25°C.
Additionally, you could convert the following datas into the molecular structure:
(1)SMILES:Cn1c(nnn1)SCC2=C(N3C(C(C3=O)(N)OC)SC2)C(=O)OC(c4ccccc4)c5ccccc5
(2)InChI:InChI=1/C24H24N6O4S2/c1-29-23(26-27-28-29)36-14-17-13-35-22-24(25,33-2)21(32)30(22)18(17)20(31)34-19(15-9-5-3-6-10-15)16-11-7-4-8-12-16/h3-12,19,22H,13-14,25H2,1-2H3/t22-,24+/m1/s1
(3)InChIKey:QGXKMJVEULWQSB-VWNXMTODBW