(16R,5'S)(8β,9α,14α)-3-oxo-5α-androstano[17,16-c]-1'H-5'-phenylpyrazoline

Base Information

Chemical Name:(16R,5'S)(8β,9α,14α)-3-oxo-5α-androstano[17,16-c]-1'H-5'-phenylpyrazoline
CAS No.:875014-36-1
Molecular Formula:C₂₆H₃₄N₂O
Molecular Weight:390.569
Hs Code.:

Synonyms:(16R,5'S)(8β,9α,14α)-3-oxo-5α-androstano[17,16-c]-1'H-5'-phenylpyrazoline

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Chemical Property of (16R,5'S)(8β,9α,14α)-3-oxo-5α-androstano[17,16-c]-1'H-5'-phenylpyrazoline

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Technology Process of (16R,5'S)(8β,9α,14α)-3-oxo-5α-androstano[17,16-c]-1'H-5'-phenylpyrazoline

There total 4 articles about (16R,5'S)(8β,9α,14α)-3-oxo-5α-androstano[17,16-c]-1'H-5'-phenylpyrazoline 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: 55.0%

: 875014-35-0
(16R,5'S)(8β,9α,14α)-3β-hydroxy-5α-androstano[17,16-c]-1'H-5'-phenylpyrazoline

: 875014-36-1
(16R,5'S)(8β,9α,14α)-3-oxo-5α-androstano[17,16-c]-1'H-5'-phenylpyrazoline

Guidance literature:: With dimethyl sulfoxide; dicyclohexyl-carbodiimide; trifluoroacetic acid; pyridine; In benzene; at 20 ℃;
DOI:10.1016/j.bmc.2005.08.024

Reference yield:

: 303128-58-7
(16E)-16-benzyliden-3β-hydroxyl-5α-androstan-17-one

: 875014-36-1
(16R,5'S)(8β,9α,14α)-3-oxo-5α-androstano[17,16-c]-1'H-5'-phenylpyrazoline

Guidance literature:: Multi-step reaction with 2 steps

1: hydrazine hydrate / ethanol / 5 h / Heating

2: 55 percent / dimethylsulfoxide; trifluoroacetic acid; dicyclohexylcarbodiimide / pyridine / benzene / 20 °C

With hydrazine hydrate; dimethyl sulfoxide; dicyclohexyl-carbodiimide; trifluoroacetic acid; pyridine; In ethanol; benzene; 2: Moffat oxidation;
DOI:10.1016/j.bmc.2005.08.024

Reference yield:

: 875014-32-7
(8β,9α,14α)-3β-(trifluoroacetoxy)-16(E)-(phenylmethylene)-5α-androstan-17-one

: 875014-36-1
(16R,5'S)(8β,9α,14α)-3-oxo-5α-androstano[17,16-c]-1'H-5'-phenylpyrazoline

Guidance literature:: Multi-step reaction with 3 steps

1: 65 percent / hydrazine hydrate / 7 h / Heating

2: potassium hydroxide / Heating

3: 55 percent / dimethylsulfoxide; trifluoroacetic acid; dicyclohexylcarbodiimide / pyridine / benzene / 20 °C

With potassium hydroxide; hydrazine hydrate; dimethyl sulfoxide; dicyclohexyl-carbodiimide; trifluoroacetic acid; pyridine; In benzene; 3: Moffat oxidation;
DOI:10.1016/j.bmc.2005.08.024