2'-Phenyl-<17α,20;20,21-bismethylendioxy-11β-hydroxy-16α-methyl-4-pregneno-<3,2-c>-pyrazol>

Base Information

• Chemical Name: 2'-Phenyl-<17α,20;20,21-bismethylendioxy-11β-hydroxy-16α-methyl-4-pregneno-<3,2-c>-pyrazol>
• CAS No.: 107895-57-8
• Molecular Formula: C₃₁H₃₈N₂O₅
• Molecular Weight: 518.653

Synonyms:2'-Phenyl-<17α,20;20,21-bismethylendioxy-11β-hydroxy-16α-methyl-4-pregneno-<3,2-c>-pyrazol>

Chemical Property of 2'-Phenyl-<17α,20;20,21-bismethylendioxy-11β-hydroxy-16α-methyl-4-pregneno-<3,2-c>-pyrazol>

Chemical Property:

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Technology Process of 2'-Phenyl-<17α,20;20,21-bismethylendioxy-11β-hydroxy-16α-methyl-4-pregneno-<3,2-c>-pyrazol>

There total 3 articles about 2'-Phenyl-<17α,20;20,21-bismethylendioxy-11β-hydroxy-16α-methyl-4-pregneno-<3,2-c>-pyrazol> which guide to synthetic route it. The literature collected by LookChem mainly comes from the sharing of users and the free literature resources found by Internet computing technology. We keep the original model of the professional version of literature to make it easier and faster for users to retrieve and use. At the same time, we analyze and calculate the most feasible synthesis route with the highest yield for your reference as below:

synthetic route:

Reference yield:

phenylhydrazine (100-63-0) + 11β-hydroxy-2-hydroxymethylene-16α-methyl-17,20:20,21-bis(methylenedioxy)-pregn-4-en-3-one → 2'-Phenyl-<17α,20;20,21-bismethylendioxy-11β-hydroxy-16α-methyl-4-pregneno-<3,2-c>-pyrazol> (107895-57-8)

Guidance literature:

With sodium acetate; In ethanol; for 2h; Heating;

DOI:10.1016/S0039-128X(98)00069-5

Reference yield:

(20Ξ)-11β-hydroxy-17,20;20,21-bis-methanediyldioxy-2-methoxymethylene-16α-methyl-pregn-4-en-3-one (102048-60-2) + phenylhydrazine (100-63-0) → 2'-Phenyl-<17α,20;20,21-bismethylendioxy-11β-hydroxy-16α-methyl-4-pregneno-<3,2-c>-pyrazol> (107895-57-8)

Guidance literature:

Multistep reaction; (i) EtOH, (ii) AcOH;

DOI:10.1021/ja00884a034

Reference yield:

(20Ξ)-11β-hydroxy-17,20;20,21-bis-methanediyldioxy-16α-methyl-3-oxo-pregn-4-ene-2ξ-carbaldehyde (54942-12-0) + phenylhydrazine (100-63-0) → 2'-Phenyl-<17α,20;20,21-bismethylendioxy-11β-hydroxy-16α-methyl-4-pregneno-<3,2-c>-pyrazol> (107895-57-8)

Guidance literature:

DOI:10.1021/ja00884a034

upstream raw materials:

(20Ξ)-11β-hydroxy-17,20;20,21-bis-methanediyldioxy-16α-methyl-3-oxo-pregn-4-ene-2ξ-carbaldehyde

phenylhydrazine

(20Ξ)-11β-hydroxy-17,20;20,21-bis-methanediyldioxy-2-methoxymethylene-16α-methyl-pregn-4-en-3-one

Downstream raw materials:

(20Ξ)-17,20;20,21-bis-methanediyldioxy-2'-phenyl-2'H-(5α)-pregnano[3,2-c]pyrazol-11β-ol

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