Conditions | Yield |
---|---|
81% |
C47H52Cl3NO15
cephalomannine
Conditions | Yield |
---|---|
With ammonium acetate In tetrahydrofuran; methanol | 14 mg |
7-trichloroacetyl-3'-debenzoylpaclitaxel
cephalomannine
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: pyridine 2: 14 mg / ammonium acetate / methanol; tetrahydrofuran View Scheme |
C45H48Cl5NO14
cephalomannine
Conditions | Yield |
---|---|
Multi-step reaction with 3 steps 1: HCl 2: pyridine 3: 14 mg / ammonium acetate / methanol; tetrahydrofuran View Scheme |
cephalomannine
Conditions | Yield |
---|---|
Multi-step reaction with 4 steps 1: 84 percent / DCC / toluene / 2 h / 35 °C 2: HCl 3: pyridine 4: 14 mg / ammonium acetate / methanol; tetrahydrofuran View Scheme |
7-trichloroacetylbaccatin III
cephalomannine
Conditions | Yield |
---|---|
Multi-step reaction with 4 steps 1: 84 percent / DCC / toluene / 2 h / 35 °C 2: HCl 3: pyridine 4: 14 mg / ammonium acetate / methanol; tetrahydrofuran View Scheme |
2'-acetylcephalomannine
cephalomannine
Conditions | Yield |
---|---|
With methanol; dimethyl amine at 3℃; for 1.5h; |
cephalomannine
Conditions | Yield |
---|---|
With Enterobacter sp. CGMCC 2487 Microbiological reaction; |
cephalomannine
C43H49NO15
Conditions | Yield |
---|---|
With ozone In dichloromethane at -78℃; for 0.75h; | 97% |
Multi-step reaction with 2 steps 1: 150 mg / Et4NOAc, tBuOOH, OsO4 / acetone; 2-methyl-propan-2-ol; H2O / 1 h / 0 °C 2: 93 percent / NaIO4 / methanol; H2O / 3 h / 25 °C View Scheme |
4-Carboxybenzaldehyde
cephalomannine
2'-(4-formyl)benzoyl cephalomannine
Conditions | Yield |
---|---|
With dmap; dicyclohexyl-carbodiimide at 20℃; for 24h; | 95% |
cephalomannine
13-(O-2R-hydroxy-3S-amine-phenylpropionyl)-baccatin III
Conditions | Yield |
---|---|
With formic acid; toluene-4-sulfonic acid at -8℃; for 7h; | 93.2% |
With formic acid at 0℃; for 12h; |
cephalomannine
10β-deacetylcephalomannine
Conditions | Yield |
---|---|
With dihydrogen peroxide; sodium hydrogencarbonate In tetrahydrofuran at 20℃; for 24h; | 88% |
With dihydrogen peroxide; sodium hydrogencarbonate In tetrahydrofuran for 24h; Ambient temperature; | 72% |
Conditions | Yield |
---|---|
With dmap; dicyclohexyl-carbodiimide In tetrahydrofuran at -20 - 15℃; | 70% |
Conditions | Yield |
---|---|
With sodium borohydrid In methanol; water | 66% |
cephalomannine
cephalomanninediol
Conditions | Yield |
---|---|
With tert.-butylhydroperoxide; osmium(VIII) oxide; tetraethylammonium acetate In water; acetone; tert-butyl alcohol at 0℃; for 1h; | 150 mg |
cephalomannine
Conditions | Yield |
---|---|
Multi-step reaction with 4 steps 1: 88 percent / aq. H2O2; NaHCO3 / tetrahydrofuran / 24 h / 20 °C 2: 51 percent / imidazole / dimethylformamide / 1 h / 20 °C 3: 89 percent / Cu(OAc)2*H2O; air / methanol / 24 h 4: desilylation View Scheme |
cephalomannine
Conditions | Yield |
---|---|
Multi-step reaction with 4 steps 1: 88 percent / aq. H2O2; NaHCO3 / tetrahydrofuran / 24 h / 20 °C 2: 51 percent / imidazole / dimethylformamide / 1 h / 20 °C 3: 89 percent / Cu(OAc)2*H2O; air / methanol / 24 h 4: desilylation View Scheme |
cephalomannine
Conditions | Yield |
---|---|
Multi-step reaction with 3 steps 1: 88 percent / aq. H2O2; NaHCO3 / tetrahydrofuran / 24 h / 20 °C 2: 51 percent / imidazole / dimethylformamide / 1 h / 20 °C 3: 89 percent / Cu(OAc)2*H2O; air / methanol / 24 h View Scheme |
cephalomannine
C49H65NO13Si
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: 88 percent / aq. H2O2; NaHCO3 / tetrahydrofuran / 24 h / 20 °C 2: 51 percent / imidazole / dimethylformamide / 1 h / 20 °C View Scheme |
cephalomannine
taxol
Conditions | Yield |
---|---|
Multi-step reaction with 3 steps 1: 97 percent / O3 / CH2Cl2 / 0.75 h / -78 °C 2: DCC, pyrrolidinopyridine / ethyl acetate / Ambient temperature 3: 91 percent / o-phenylenediamine, p-TsOH / hexane / Heating View Scheme | |
Multi-step reaction with 4 steps 1: 150 mg / Et4NOAc, tBuOOH, OsO4 / acetone; 2-methyl-propan-2-ol; H2O / 1 h / 0 °C 2: 93 percent / NaIO4 / methanol; H2O / 3 h / 25 °C 3: DCC, pyrrolidinopyridine / ethyl acetate / Ambient temperature 4: 91 percent / o-phenylenediamine, p-TsOH / hexane / Heating View Scheme |
cephalomannine
Conditions | Yield |
---|---|
Multi-step reaction with 3 steps 1: 97 percent / O3 / CH2Cl2 / 0.75 h / -78 °C 2: DCC, pyrrolidinopyridine / ethyl acetate / Ambient temperature 3: o-phenylenediamine, p-TsOH / hexane / Heating View Scheme | |
Multi-step reaction with 4 steps 1: 150 mg / Et4NOAc, tBuOOH, OsO4 / acetone; 2-methyl-propan-2-ol; H2O / 1 h / 0 °C 2: 93 percent / NaIO4 / methanol; H2O / 3 h / 25 °C 3: DCC, pyrrolidinopyridine / ethyl acetate / Ambient temperature 4: o-phenylenediamine, p-TsOH / hexane / Heating View Scheme |
cephalomannine
Conditions | Yield |
---|---|
Multi-step reaction with 3 steps 1: 97 percent / O3 / CH2Cl2 / 0.75 h / -78 °C 2: DCC, pyrrolidinopyridine / ethyl acetate / Ambient temperature 3: o-phenylenediamine, p-TsOH / hexane / Heating View Scheme | |
Multi-step reaction with 4 steps 1: 150 mg / Et4NOAc, tBuOOH, OsO4 / acetone; 2-methyl-propan-2-ol; H2O / 1 h / 0 °C 2: 93 percent / NaIO4 / methanol; H2O / 3 h / 25 °C 3: DCC, pyrrolidinopyridine / ethyl acetate / Ambient temperature 4: o-phenylenediamine, p-TsOH / hexane / Heating View Scheme |
cephalomannine
Conditions | Yield |
---|---|
Multi-step reaction with 3 steps 1: 97 percent / O3 / CH2Cl2 / 0.75 h / -78 °C 2: DCC, pyrrolidinopyridine / ethyl acetate / Ambient temperature 3: o-phenylenediamine, p-TsOH / hexane / Heating View Scheme | |
Multi-step reaction with 4 steps 1: 150 mg / Et4NOAc, tBuOOH, OsO4 / acetone; 2-methyl-propan-2-ol; H2O / 1 h / 0 °C 2: 93 percent / NaIO4 / methanol; H2O / 3 h / 25 °C 3: DCC, pyrrolidinopyridine / ethyl acetate / Ambient temperature 4: o-phenylenediamine, p-TsOH / hexane / Heating View Scheme |
cephalomannine
C50H53NO16
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: 97 percent / O3 / CH2Cl2 / 0.75 h / -78 °C 2: DCC, pyrrolidinopyridine / ethyl acetate / Ambient temperature View Scheme | |
Multi-step reaction with 3 steps 1: 150 mg / Et4NOAc, tBuOOH, OsO4 / acetone; 2-methyl-propan-2-ol; H2O / 1 h / 0 °C 2: 93 percent / NaIO4 / methanol; H2O / 3 h / 25 °C 3: DCC, pyrrolidinopyridine / ethyl acetate / Ambient temperature View Scheme |
cephalomannine
C50H52BrNO16
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: 97 percent / O3 / CH2Cl2 / 0.75 h / -78 °C 2: DCC, pyrrolidinopyridine / ethyl acetate / Ambient temperature View Scheme | |
Multi-step reaction with 3 steps 1: 150 mg / Et4NOAc, tBuOOH, OsO4 / acetone; 2-methyl-propan-2-ol; H2O / 1 h / 0 °C 2: 93 percent / NaIO4 / methanol; H2O / 3 h / 25 °C 3: DCC, pyrrolidinopyridine / ethyl acetate / Ambient temperature View Scheme |
cephalomannine
C50H52ClNO16
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: 97 percent / O3 / CH2Cl2 / 0.75 h / -78 °C 2: DCC, pyrrolidinopyridine / ethyl acetate / Ambient temperature View Scheme | |
Multi-step reaction with 3 steps 1: 150 mg / Et4NOAc, tBuOOH, OsO4 / acetone; 2-methyl-propan-2-ol; H2O / 1 h / 0 °C 2: 93 percent / NaIO4 / methanol; H2O / 3 h / 25 °C 3: DCC, pyrrolidinopyridine / ethyl acetate / Ambient temperature View Scheme |
cephalomannine
C50H52N2O18
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: 97 percent / O3 / CH2Cl2 / 0.75 h / -78 °C 2: DCC, pyrrolidinopyridine / ethyl acetate / Ambient temperature View Scheme | |
Multi-step reaction with 3 steps 1: 150 mg / Et4NOAc, tBuOOH, OsO4 / acetone; 2-methyl-propan-2-ol; H2O / 1 h / 0 °C 2: 93 percent / NaIO4 / methanol; H2O / 3 h / 25 °C 3: DCC, pyrrolidinopyridine / ethyl acetate / Ambient temperature View Scheme |
Conditions | Yield |
---|---|
With dmap; triethylamine In dichloromethane at 20℃; for 12h; | |
With dmap In acetonitrile at 20℃; for 10h; |
cephalomannine
C43H51NO14
Conditions | Yield |
---|---|
With sodium hydrogencarbonate; 3-chloro-benzenecarboperoxoic acid In dichloromethane at -15℃; |
cephalomannine
C45H52N2O15
Conditions | Yield |
---|---|
With sodium nitrite In acetic anhydride; acetic acid at 0℃; for 16h; |
Conditions | Yield |
---|---|
With copper(II) bis(trifluoromethanesulfonate) In acetonitrile at 20 - 25℃; |
The Cephalomannine is an organic compound with the formula C45H53NO14. The systematic name of this chemical is (2α,5β,7β,10β,13α)-4,10-bis(acetyloxy)-1,7-dihydroxy-13-{[(2R,3S)-2-hydroxy-3-{[(2E)-2-methylbut-2-enoyl]amino}-3-phenylpropanoyl]oxy}-9-oxo-5,20-epoxytax-11-en-2-yl benzoate. With the CAS registry number 71610-00-9, it is also named as Taxol B. The product's categories are Alkaloids; Antineoplastic and Immunosuppressive Antibiotics Enzyme Inhibitors by Enzyme; Antibiotics by Application; Chemical Structure Class; Interferes with DNA Synthesis Antibiotics; Mechanism of Action; Penicillins and Cephalosporins (beta-Lactams).
The other characteristics of Cephalomannine can be summarized as: (1)ACD/LogP: 6.59; (2)# of Rule of 5 Violations: 3; (3)ACD/LogD (pH 5.5): 6.59; (4)ACD/LogD (pH 7.4): 6.59; (5)#H bond acceptors: 15; (6)#H bond donors: 4; (7)#Freely Rotating Bonds: 17; (8)Polar Surface Area: 179.5 Å2; (9)Index of Refraction: 1.614; (10)Molar Refractivity: 212.75 cm3; (11)Molar Volume: 609.9 cm3; (12)Surface Tension: 64.2 dyne/cm; (13)Enthalpy of Vaporization: 141.65 kJ/mol; (14)Vapour Pressure: 0 mmHg at 25°C; (15)Rotatable Bond Count: 14; (16)Tautomer Count: 6; (17)Exact Mass: 831.346605; (18)MonoIsotopic Mass: 831.346605; (19)Topological Polar Surface Area: 221; (20)Heavy Atom Count: 60; (21)Complexity: 1790.
People can use the following data to convert to the molecule structure.
1. SMILES:O=C(/C(=C/C)C)N[C@@H](c1ccccc1)[C@@H](O)C(=O)O[C@@H]4C(=C3/[C@@H](OC(=O)C)C(=O)[C@]6([C@H]([C@H](OC(=O)c2ccccc2)[C@@](O)(C3(C)C)C4)[C@@]5(OC(=O)C)[C@H](OC5)C[C@@H]6O)C)/C
2. InChI:InChI=1/C45H53NO14/c1-9-23(2)39(52)46-33(27-16-12-10-13-17-27)34(50)41(54)58-29-21-45(55)38(59-40(53)28-18-14-11-15-19-28)36-43(8,30(49)20-31-44(36,22-56-31)60-26(5)48)37(51)35(57-25(4)47)32(24(29)3)42(45,6)7/h9-19,29-31,33-36,38,49-50,55H,20-22H2,1-8H3,(H,46,52)/b23-9+/t29-,30-,31+,33-,34+,35+,36-,38-,43+,44-,45+/m0/s1
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