Conditions | Yield |
---|---|
With boron trifluoride In tetrahydrofuran; acetonitrile at -5 - 10℃; Inert atmosphere; | 85% |
With methanesulfonic acid at -10℃; for 0.133333h; Temperature; |
desonide
Conditions | Yield |
---|---|
With sodium hydroxide In methanol at 30℃; for 0.666667h; Temperature; Inert atmosphere; Large scale; | 81% |
desonide
desonide
Conditions | Yield |
---|---|
With perchloric acid; acetone |
11β,16α,17α,21-tetrahydroxy-1,4-pregnadiene-3,20-dione 16,17-acetonide 21-acetate
desonide
Conditions | Yield |
---|---|
With sodium hydroxide In methanol; dichloromethane at -5 - 5℃; for 2h; Inert atmosphere; | 8.60 g |
2-((10S,13S,14S)-10,13-dimethyl-3-oxo-6,7,8,10,12,13,14,15-octahydro-3H-cyclopenta[a]phenanthren-17-yl)-2-oxoethyl acetate
desonide
Conditions | Yield |
---|---|
Multi-step reaction with 5 steps 1: formic acid; potassium permanganate / acetone; water / 0.5 h / -7 - -3 °C / Industrial scale 2: 1,3-dibromo-5,5-dimethylimidazolidine-2,4-dione; perchloric acid / water; tetrahydrofuran / 1 h / -8 - -4 °C / Industrial scale 3: chromium(III) chloride hexahydrate; zinc; mercaptoacetic acid / N,N-dimethyl-formamide; dimethyl sulfoxide / 1 h / -10 °C / Inert atmosphere; Industrial scale 4: perchloric acid / 1.5 h / 26 - 35 °C / Inert atmosphere 5: sodium hydroxide / methanol; dichloromethane / 2 h / -5 - 5 °C / Inert atmosphere View Scheme |
16α,17α,21-trihydroxypregna-1,4,9(11)-triene-3,20-dione-21-acetate
desonide
Conditions | Yield |
---|---|
Multi-step reaction with 4 steps 1: 1,3-dibromo-5,5-dimethylimidazolidine-2,4-dione; perchloric acid / water; tetrahydrofuran / 1 h / -8 - -4 °C / Industrial scale 2: chromium(III) chloride hexahydrate; zinc; mercaptoacetic acid / N,N-dimethyl-formamide; dimethyl sulfoxide / 1 h / -10 °C / Inert atmosphere; Industrial scale 3: perchloric acid / 1.5 h / 26 - 35 °C / Inert atmosphere 4: sodium hydroxide / methanol; dichloromethane / 2 h / -5 - 5 °C / Inert atmosphere View Scheme |
9α-bromo-11β,16α,17α,21-tetrahydroxypregnane-1,4-diene-3,20-dione-21-acetate
desonide
Conditions | Yield |
---|---|
Multi-step reaction with 3 steps 1: chromium(III) chloride hexahydrate; zinc; mercaptoacetic acid / N,N-dimethyl-formamide; dimethyl sulfoxide / 1 h / -10 °C / Inert atmosphere; Industrial scale 2: perchloric acid / 1.5 h / 26 - 35 °C / Inert atmosphere 3: sodium hydroxide / methanol; dichloromethane / 2 h / -5 - 5 °C / Inert atmosphere View Scheme |
11β,16α,17α,21-tetrahydroxypregnane-1,4-diene-3,20-dione-21-acetate
desonide
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: perchloric acid / 1.5 h / 26 - 35 °C / Inert atmosphere 2: sodium hydroxide / methanol; dichloromethane / 2 h / -5 - 5 °C / Inert atmosphere View Scheme |
Conditions | Yield |
---|---|
With potassium carbonate In acetone for 1.5h; ethanol; | 99.7% |
With potassium carbonate In acetone Reflux; |
methanesulfonyl chloride
desonide
11β-hydroxy-16α,17α-isopropylidenedioxy-21-mesyloxy-1,4-pregnadiene-3,20-dione
Conditions | Yield |
---|---|
With pyridine at 0℃; | 99% |
Conditions | Yield |
---|---|
With phosphoric acid at 0 - 5℃; for 21.5h; Product distribution / selectivity; | 98.6% |
desonide
Conditions | Yield |
---|---|
With potassium hydroxide; dihydrogen peroxide In methanol for 2h; ambient temperature; | A 7.5% B 88% |
Conditions | Yield |
---|---|
With dmap; triethylamine In dichloromethane at 20℃; Inert atmosphere; | 82% |
desonide
Conditions | Yield |
---|---|
With oxygen In acetonitrile for 2.5h; UV-irradiation; | 67% |
methylsulfanyl-acetic acid
desonide
11β-Hydroxy-16α,17α-isopropylidenedioxy-21-(methylthio)acetoxy-1,4-pregnadiene-3,20-dione
Conditions | Yield |
---|---|
With tributyl-amine; 2-chloro-1-methyl-pyridinium iodide In dichloromethane for 4h; Heating; | 64% |
desonide
Conditions | Yield |
---|---|
With oxygen In acetonitrile for 2.5h; UV-irradiation; | A 52% B 26% |
desonide
Conditions | Yield |
---|---|
In acetonitrile for 2h; UV-irradiation; | 50% |
Conditions | Yield |
---|---|
With perchloric acid at 20℃; | 33% |
desonide
tert butyl 4-formylpiperidine-1-carboxylate
Conditions | Yield |
---|---|
With perchloric acid In water at 0 - 20℃; | 13% |
desonide
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: 52 percent / oxygen / acetonitrile / 2.5 h / UV-irradiation 2: 15 mg / triphenylphosphine / CH2Cl2 / 2 h View Scheme |
desonide
11β-hydroxy-16α,17α-isopropylidenedioxy-21-mercapto-1,4-pregnadiene-3,20-dione
Conditions | Yield |
---|---|
Multi-step reaction with 3 steps 1: 99 percent / pyridine / 0 °C 2: 1) acetone, 30 min, 2) acetone, 6 h, reflux 3: 85 percent / hydrazine hydrate / tetrahydrofuran / 0.25 h / -10 - -5 °C View Scheme |
desonide
11-β-hydroxy-16α,17α-isopropylidenedioxy-21-methylthio-1,4-pregnadiene-3,20-dione
Conditions | Yield |
---|---|
Multi-step reaction with 4 steps 1: 99 percent / pyridine / 0 °C 2: 1) acetone, 30 min, 2) acetone, 6 h, reflux 3: 85 percent / hydrazine hydrate / tetrahydrofuran / 0.25 h / -10 - -5 °C 4: 78 percent / Et3N / dimethylformamide View Scheme |
desonide
11-β-hydroxy-16α,17α-isopropylidenedioxy-21-ethylthio-1,4-pregnadiene-3,20-dione
Conditions | Yield |
---|---|
Multi-step reaction with 4 steps 1: 99 percent / pyridine / 0 °C 2: 1) acetone, 30 min, 2) acetone, 6 h, reflux 3: 85 percent / hydrazine hydrate / tetrahydrofuran / 0.25 h / -10 - -5 °C 4: 39 percent / Et3N / dimethylformamide View Scheme |
desonide
21-acetylthio-11β-hydroxy-16α,17α-isopropylidenedioxy-1,4-pregnadiene-3,20-dione
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: 99 percent / pyridine / 0 °C 2: 1) acetone, 30 min, 2) acetone, 6 h, reflux View Scheme |
desonide
11-β-hydroxy-16α,17α-isopropylidenedioxy-21-methoxycarbonylthio-1,4-pregnadiene-3,20-dione
Conditions | Yield |
---|---|
Multi-step reaction with 4 steps 1: 99 percent / pyridine / 0 °C 2: 1) acetone, 30 min, 2) acetone, 6 h, reflux 3: 85 percent / hydrazine hydrate / tetrahydrofuran / 0.25 h / -10 - -5 °C 4: 1) EtN(iPr)2 / 1) CH2Cl2, 0 deg C, 10 min, 2) CH2Cl2, 0 deg C, 30 min View Scheme |
desonide
11-β-hydroxy-16α,17α-isopropylidenedioxy-21-ethoxycarbonylthio-1,4-pregnadiene-3,20-dione
Conditions | Yield |
---|---|
Multi-step reaction with 4 steps 1: 99 percent / pyridine / 0 °C 2: 1) acetone, 30 min, 2) acetone, 6 h, reflux 3: 85 percent / hydrazine hydrate / tetrahydrofuran / 0.25 h / -10 - -5 °C 4: 1) EtN(iPr)2 / 1) CH2Cl2, 0 deg C, 10 min, 2) CH2Cl2, 0 deg C, 30 min View Scheme |
N-methyl-piperidine-4-carboxaldehyde
desonide
Conditions | Yield |
---|---|
With perchloric acid In water; 1-Nitropropane at 20℃; for 48h; |
Conditions | Yield |
---|---|
With perchloric acid In water; 1-Nitropropane at 0 - 20℃; | 59 %Chromat. |
desonide
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: perchloric acid / 20 °C 2: N-ethyl-N,N-diisopropylamine / dichloromethane / 0 - 20 °C View Scheme |
desonide
Conditions | Yield |
---|---|
Multi-step reaction with 3 steps 1: perchloric acid / 20 °C 2: N-ethyl-N,N-diisopropylamine / dichloromethane / 0 - 20 °C 3: potassium carbonate / acetone / Reflux View Scheme |
Conditions | Yield |
---|---|
Multi-step reaction with 4 steps 1: perchloric acid / 20 °C 2: N-ethyl-N,N-diisopropylamine / dichloromethane / 0 - 20 °C 3: potassium carbonate / acetone / Reflux 4: tricyclohexylphosphine[1,3-bis(2,4,6-trimethylphenyl)-4,5-dihydroimidazol-2-ylidine][benzylidene]ruthenium(II) dichloride / dichloromethane / 70 °C View Scheme |
Conditions | Yield |
---|---|
With triethylamine In N,N-dimethyl acetamide; N,N-dimethyl-formamide for 24h; |
desonide
flunisolide
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1.1: methanesulfonic acid / 1 h / 65 - 80 °C 1.2: 12 h / -5 - 15 °C 2.1: sodium hydroxide / methanol; dichloromethane / -10 - 0 °C / Inert atmosphere View Scheme |
1. Introduction of Desonide
Desonide is one kind of white needle crystal. This chemical belongs to the Product Categories which include Chiral Reagents; Intermediates & Fine Chemicals; Pharmaceuticals; Steroids. Desonide is mainly used to treat atopic dermatitis ,seborrheic dermatitis, and contact dermatitis in both adults and children , it is available as a cream, ointment, lotio.
2. Properties of Desonide
Desonide has the following prperty datas: (1)Freely Rotating Bonds: 4; (2)Polar Surface Area: 71.06?2; (3)Index of Refraction: 1.598; (4)Molar Refractivity: 109.26 cm3; (5)Molar Volume: 320.1 cm3; (6)Surface Tension: 55.9 dyne/cm; (7)Density: 1.3 g/cm3; (8)Flash Point: 196.9 °C; (9)Enthalpy of Vaporization: 99.64 kJ/mol; (10)Boiling Point: 580.1 °C at 760 mmHg; (11)Vapour Pressure: 7.16E-16 mmHg at 25°C.
3. Structure Descriptors of Desonide
You could convert the following datas into the molecular structure:
(1).InChI:InChI=1/C24H32O6/c1-21(2)29-19-10-16-15-6-5-13-9-14(26)7-8-22(13,3)20(15)17(27)11-23(16,4)24(19,30-21)18(28)12-25/h7-9,15-17,19-20,25,27H,5-6,10-12H2,1-4H3/t15?,16-,17?,19+,20+,22?,23?,24+/m0/s1
(2).Smiles:O1C(C)(C)O[C@@H]2C[C@@H]3[C@@](C[C@@H](O)[C@H]4[C@@H]3CCC=3[C@@]4(C=CC(C3)=O)C)(C)[C@]12C(=O)CO
4. Toxicity of Desonide
Organism | Test Type | Route | Reported Dose (Normalized Dose) | Effect | Source |
---|---|---|---|---|---|
mouse | LD50 | oral | 3710mg/kg (3710mg/kg) | Arzneimittel-Forschung. Drug Research. Vol. 20, Pg. 111, 1970. | |
rat | LD50 | subcutaneous | 93mg/kg (93mg/kg) | Toxicology and Applied Pharmacology. Vol. 20, Pg. 522, 1971. |
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