(3'S,17S)-3'-methyl-2'-(4-chlorophenyl)-3',4'-dihydro-2'H-pyrazolo[4',5':17,16]androst-5-ene 3β-acetate

Base Information

Chemical Name:(3'S,17S)-3'-methyl-2'-(4-chlorophenyl)-3',4'-dihydro-2'H-pyrazolo[4',5':17,16]androst-5-ene 3β-acetate
CAS No.:945867-34-5
Molecular Formula:C₂₉H₃₇ClN₂O₂
Molecular Weight:481.078
Hs Code.:

Synonyms:(3'S,17S)-3'-methyl-2'-(4-chlorophenyl)-3',4'-dihydro-2'H-pyrazolo[4',5':17,16]androst-5-ene 3β-acetate

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Chemical Property of (3'S,17S)-3'-methyl-2'-(4-chlorophenyl)-3',4'-dihydro-2'H-pyrazolo[4',5':17,16]androst-5-ene 3β-acetate

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Technology Process of (3'S,17S)-3'-methyl-2'-(4-chlorophenyl)-3',4'-dihydro-2'H-pyrazolo[4',5':17,16]androst-5-ene 3β-acetate

There total 3 articles about (3'S,17S)-3'-methyl-2'-(4-chlorophenyl)-3',4'-dihydro-2'H-pyrazolo[4',5':17,16]androst-5-ene 3β-acetate 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: 74.0%

: C₂₉H₃₉ClN₂O₂

: 945867-34-5
(3'S,17S)-3'-methyl-2'-(4-chlorophenyl)-3',4'-dihydro-2'H-pyrazolo[4',5':17,16]androst-5-ene 3β-acetate

Guidance literature:: With boron trifluoride diethyl etherate; at 0 ℃; for 3h;
DOI:10.1055/s-2007-977452

Reference yield:

: 1073-70-7
4-chlorophenylhydrazine hydrochloride

: 945867-34-5
(3'S,17S)-3'-methyl-2'-(4-chlorophenyl)-3',4'-dihydro-2'H-pyrazolo[4',5':17,16]androst-5-ene 3β-acetate

Guidance literature:: Multi-step reaction with 2 steps

1: methanol / 20 °C

2: 74 percent / BF₃*OEt₂ / 3 h / 0 °C

With boron trifluoride diethyl etherate; In methanol;
DOI:10.1055/s-2007-977452

Reference yield:

: 649723-80-8
trans-3β-acetoxy-16,17-seco-pregna-5,17(20)-dien-16-al

: 945867-34-5
(3'S,17S)-3'-methyl-2'-(4-chlorophenyl)-3',4'-dihydro-2'H-pyrazolo[4',5':17,16]androst-5-ene 3β-acetate

Guidance literature:: Multi-step reaction with 2 steps

1: methanol / 20 °C

2: 74 percent / BF₃*OEt₂ / 3 h / 0 °C

With boron trifluoride diethyl etherate; In methanol;
DOI:10.1055/s-2007-977452