13649-88-2
- Product Name：Deflazacort intermediate（D5）
- Molecular Formula：C23H29NO4
- Purity：99%
- Molecular Weight：383.488
Product Details;
CasNo： 13649-88-2
Molecular Formula： C23H29NO4
Buy Quality Buy Deflazacort intermediate（D5） 13649-88-2 Safe Delivery
- Molecular Formula:C23H29NO4
- Molecular Weight:383.488
- Vapor Pressure:4.13E-14mmHg at 25°C
- Melting Point:>250°C (dec.)
- Refractive Index:1.675
- Boiling Point:544.2 °C at 760 mmHg
- PKA:14.35±0.70(Predicted)
- Flash Point:282.9 °C
- PSA：75.96000
- Density:1.39 g/cm3
- LogP:2.45560
Deflazacort(Cas 13649-88-2) Usage
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Chemical Properties |
Pale Beige Solid |
|
Uses |
An intermediate of Deflazacort (D228975), a systematic corticosteroid. |
InChI:InChI=1/C23H29NO4/c1-12(25)23-19(28-13(2)24-23)10-17-16-6-5-14-9-15(26)7-8-21(14,3)20(16)18(27)11-22(17,23)4/h7-9,16-20,27H,5-6,10-11H2,1-4H3/t16-,17-,18-,19+,20+,21-,22-,23?/m0/s1
13649-88-2 Relevant articles
Steroids possessing nitrogen atoms. 3. Synthesis of new highly active corticoids. [17-alpha, 16-alpha-d]oxazolino steroids.
Nathanson,Winters,Testa
, p. 799 - 802 (2007/10/20)
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13649-88-2 Process route
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- 13649-86-0
3β,11β-dihydroxy-2'-methyl-(5α,16β)-pregnano[17,16-d]oxazol-20-one
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- 13649-88-2
11β-hydroxy-2'-methyl-(16β)-pregna-1,4-dieno[17,16-d]oxazole-3,20-dione
| Conditions | Yield |
|---|---|
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Multi-step reaction with 6 steps
1: Py
2: MeSO2Cl, SO2, collidine / dimethylformamide
3: aq. KOH / methanol / Heating
4: aq. CrO3 / acetone
5: (i) Br2, aq. HBr, AcOH, dioxane, (ii) LiBr, Li2CO3, DMF
6: (i) AcNHBr, HClO4, THF, (ii) Cr(OAc)2, nBuSH, DMSO
With pyridine; chromium(VI) oxide; 2,3,5-trimethyl-pyridine; potassium hydroxide; sulfur dioxide; methanesulfonyl chloride; In methanol; N,N-dimethyl-formamide; acetone;
|
|
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Multi-step reaction with 2 steps
1: Al(OiPr)3 / toluene; cyclohexanone / 2 h / Heating
2: (i) Br2, HBr, AcOH, dioxane, (ii) LiBr, Li2CO3, DMF
With aluminum isopropoxide; In cyclohexanone; toluene;
|
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- 13649-85-9
3β,11β-dihydroxy-2'-methyl-(5α,16β)-pregnano[17,16-d]oxazol-20-one semicarbazone
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- 13649-88-2
11β-hydroxy-2'-methyl-(16β)-pregna-1,4-dieno[17,16-d]oxazole-3,20-dione
| Conditions | Yield |
|---|---|
|
Multi-step reaction with 3 steps
1: aq. HCl / methanol / 1 h / Heating
2: Al(OiPr)3 / toluene; cyclohexanone / 2 h / Heating
3: (i) Br2, HBr, AcOH, dioxane, (ii) LiBr, Li2CO3, DMF
With hydrogenchloride; aluminum isopropoxide; In methanol; cyclohexanone; toluene;
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13649-88-2 Upstream products
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14927-19-6
11β-hydroxy-2'-methyl-(5α,16β)-pregnano[17,16-d]oxazole-3,20-dione
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19864-81-4
2'-methyl-(16β)-pregna-1,4,9(11)-trieno[17,16-d]oxazole-3,20-dione
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19890-69-8
3β-hydroxy-2'-methyl-(5α,16β)-pregn-9(11)-eno[17,16-d]oxazol-20-one
-
22222-77-1
2'-methyl-(5α,16β)-pregn-9(11)-eno[17,16-d]oxazole-3,20-dione
13649-88-2 Downstream products
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14484-47-0
deflazacort
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16119-56-5
21-acetoxy-2'-methyl-(16β)-pregna-1,4,9(11)-trieno[17,16-d]oxazole-3,20-dione
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