Sts 64

Base Information

• Chemical Name: Sts 64
• CAS No.: 24284-84-2
• Molecular Formula: C₂₁H₂₇NO₂
• Molecular Weight: 325.451
• Mol file: 24284-84-2.mol

Synonyms:19-Nor-17a-pregna-1,3,5(10)-triene-21-nitrile,17-hydroxy-3-methoxy- (8CI); 17a-Cyanomethylestradiol 3-methyl ether; STS 64

Chemical Property of Sts 64

Chemical Property:

• Vapor Pressure: 3.55E-11mmHg at 25°C
• Boiling Point: 508.8°Cat760mmHg
• PKA: 13.71±0.40(Predicted)
• Flash Point: 261.5°C
• PSA: 53.25000
• Density: 1.131g/cm³
• LogP: 4.19608

Purity/Quality:

HPLC ≥ 98% ^*data from raw suppliers

(17α)-17-Hydroxy-3-methoxy-19-norpregna-1,3,5(10)-triene-21-nitrile ^*data from reagent suppliers

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

SDS file from LookChem

Useful:

• Uses: (17α)-17-Hydroxy-3-methoxy-19-norpregna-1,3,5(10)-triene-21-nitrile is an impurity J of Dienogest (D441870); a useful contraceptive agent. Also shown to decrease blood cholesterol levels when given to women with hypercholesterolemia.

Technology Process of Sts 64

There total 7 articles about Sts 64 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: 92.0%

estrone 3-methyl ether (1624-62-0) + acetonitrile (75-05-8,26809-02-9) → 17α-cyanomethyl-1,3,5(10)-estratriene-3,17-diol 3-methyl ether (24284-84-2)

Guidance literature:

acetonitrile; With n-butyllithium; In tetrahydrofuran; at -40 ℃;

estrone 3-methyl ether; In tetrahydrofuran; at -40 ℃; for 1.5h;

With water; In tetrahydrofuran;

Reference yield: 78.0%

estrone 3-methyl ether (1624-62-0) → 17α-cyanomethyl-1,3,5(10)-estratriene-3,17-diol 3-methyl ether (24284-84-2)

Guidance literature:

In tetrahydrofuran; water; acetone; acetonitrile;

Reference yield:

17α-Cyanomethyl-17β-hydroxyestr-4-en-3-one (67473-36-3) → 17α-cyanomethyl-1,3,5(10)-estratriene-3,17-diol 3-methyl ether (24284-84-2) + 17α-Cyanomethyl-5α-estran-3α,17β-diol (83807-35-6) + 17α-Cyanomethyl-5α-estran-3β,17β-diol (83807-36-7) + 17α-cyanomethyl-17-hydroxy-5α-1-estren-3-one

Guidance literature:

With phosphate buffer; at 28 ℃; Further byproducts given; Mycobacterium smegmatis;

DOI:10.1016/0039-128X(82)90064-2

upstream raw materials:

17α-Cyanomethyl-17β-hydroxyestr-4-en-3-one

Dienogest

estrone 3-methyl ether

acetonitrile

Refernces

• 1、 -. "Process for the production of unsaturated 17 α-cyanomethyl-17 β-h". . . Retrieved 2008/06/13.
• 2、 Ponsold,Huebner,Schnabel,Strecke. "Synthesis and uterotrophic effect of new 'impeded estrogens', viz. estradiol 3 methyl ether derivatives of 17α substituted type". . p. 896 - 900. Retrieved 2007/10/10.