3-Hydroxy-5,7-pregnadien-20-one

Base Information

Chemical Name:3-Hydroxy-5,7-pregnadien-20-one
CAS No.:81968-78-7
Molecular Formula:C21H30O2
Molecular Weight:314.468
Hs Code.:
Nikkaji Number:J2.119.789K
Mol file:81968-78-7.mol

Synonyms:3 beta-hydroxy-5,7-pregnadien-20-one;3-hydroxy-5,7-pregnadien-20-one

Suppliers and Price of 3-Hydroxy-5,7-pregnadien-20-one

Supply Marketing:

Business phase:: The product has achieved commercial mass production^*data from LookChem market partment

Manufacturers and distributors:

Manufacture/Brand
Chemicals and raw materials
Packaging
price

Total 11 raw suppliers

Chemical Property of 3-Hydroxy-5,7-pregnadien-20-one

Chemical Property:

Vapor Pressure:1.92E-10mmHg at 25°C
Boiling Point:461.1°C at 760 mmHg
Flash Point:196.3°C
PSA：37.30000
Density:1.11g/cm³
LogP:4.43540
XLogP3:3.5
Hydrogen Bond Donor Count:1
Hydrogen Bond Acceptor Count:2
Rotatable Bond Count:1
Exact Mass:314.224580195
Heavy Atom Count:23
Complexity:601

Purity/Quality:: HPLC≥98% ^*data from raw suppliers

Safty Information:

Pictogram(s):
Hazard Codes:

MSDS Files:: SDS file from LookChem

Useful:

Canonical SMILES:CC(=O)C1CCC2C1(CCC3C2=CC=C4C3(CCC(C4)O)C)C
Isomeric SMILES:CC(=O)[C@H]1CC[C@@H]2[C@@]1(CC[C@H]3C2=CC=C4[C@@]3(CC[C@@H](C4)O)C)C

Technology Process of 3-Hydroxy-5,7-pregnadien-20-one

There total 20 articles about 3-Hydroxy-5,7-pregnadien-20-one 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: 94.3%

: 105186-40-1
3β-acetoxy-7α-bromo-pregn-5-en-20-one

: 81968-78-7,1158830-87-5
3β-hydroxy-5,7-pregnadien-20-one

Guidance literature:: 3β-acetoxy-7α-bromo-pregn-5-en-20-one; With tetrabutyl ammonium fluoride; In tetrahydrofuran; at 0 - 25 ℃; for 3.5h; Molecular sieve;

With potassium carbonate; In tetrahydrofuran; methanol; at 25 ℃; for 2.5h;

Reference yield: 78.0%

: 116028-16-1
3β-benzoyloxy-pregna-5,7-dien-20-one

: 81968-78-7,1158830-87-5
3β-hydroxy-5,7-pregnadien-20-one

Guidance literature:: With sodium hydroxide; In tetrahydrofuran; for 2h; Heating;
DOI:10.1007/BF00948241

Reference yield:

: 1778-02-5
Pregnenolone acetate

: 81968-78-7,1158830-87-5
3β-hydroxy-5,7-pregnadien-20-one

Guidance literature:: Multi-step reaction with 2 steps

1: N-bromo-succinimide / UV-Licht und Erhitzen mit 2,4,6-Trimethyl-pyridin in Xylol

2: K₂CO₃; aqueous methanol

With methanol; N-Bromosuccinimide; potassium carbonate;
DOI:10.1021/jo50001a016