17-Ethynyl-16-fluoroestradiol

Base Information

Chemical Name:17-Ethynyl-16-fluoroestradiol
CAS No.:92817-14-6
Molecular Formula:C₂₀H₂₃FO₂
Molecular Weight:314.4
Hs Code.:
Mol file:92817-14-6.mol

Synonyms:17α-Ethynyl-16α-fluoroestra-1,3,5(10)-triene-3,17β-diol;(8R,9S,13S,14S,16R,17R)-17-Ethynyl-16-fluoro-13-methyl-7,8,9,11,12,13,14,15,16,17-decahydro-6H-cyclopenta[a]phenanthrene-3,17-diol;17α-ethynyl-16α-fluoroestradiol;16α-fluoro-17α-ethynylestradiol;

Suppliers and Price of 17-Ethynyl-16-fluoroestradiol

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 3 raw suppliers

Chemical Property of 17-Ethynyl-16-fluoroestradiol

Chemical Property:

Vapor Pressure:2E-09mmHg at 25°C
Boiling Point:464.5°Cat760mmHg
Flash Point:234.7°C
PSA：40.46000
Density:1.25g/cm³
LogP:3.56060

Purity/Quality:

Safty Information:

Pictogram(s):
Hazard Codes:

MSDS Files:: SDS file from LookChem

Useful:

Technology Process of 17-Ethynyl-16-fluoroestradiol

There total 8 articles about 17-Ethynyl-16-fluoroestradiol 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:

: Trifluoro-methanesulfonic acid (8R,9S,13S,14S,16R,17R)-17-ethynyl-16-fluoro-17-hydroxy-13-methyl-7,8,9,11,12,13,14,15,16,17-decahydro-6H-cyclopenta[a]phenanthren-3-yl ester

: 92817-14-6
16α-fluoro-17α-ethynylestradiol

: 92935-39-2
17β-Ethynyl-16α-fluoroestra-1,3,5(10)-triene-3,17α-diol

Guidance literature:: With potassium hydroxide; In methanol; at 60 ℃; for 0.5h; Yield given. Yields of byproduct given;
DOI:10.1021/jo00199a031

Reference yield:

: 53-16-7
Estrone

: 92817-14-6
16α-fluoro-17α-ethynylestradiol

Guidance literature:: Multi-step reaction with 8 steps

1: 76 percent / 2,6-Lutidine / CH₂Cl₂ / 0.5 h / 0 °C

2: 70.6 percent / 1.) Toluene sulfonic acid (cat. amount) / 1.) reflux, 5 h 2.) 25 deg C, 7 h

3: 64.8 percent / acetonitrile; CH₂Cl₂ / 12 h / Ambient temperature

4: 69 percent / aq. EtOH / tetrahydrofuran / 11 h / Ambient temperature

5: 49 percent / 2,6-Lutidine / CH₂Cl₂ / 0.25 h / ice bath

6: 62 percent / tetrabutyl ammonium fluoride / tetrahydrofuran / 0.5 h / Ambient temperature

7: Butyllithium / pentane; tetrahydrofuran / 0.08 h / 0 °C

8: KOH / methanol / 0.5 h / 60 °C

With 2,6-dimethylpyridine; potassium hydroxide; n-butyllithium; ethanol; Toluene sulfonic acid (cat. amount); tetrabutyl ammonium fluoride; In tetrahydrofuran; methanol; dichloromethane; acetonitrile; pentane;
DOI:10.1021/jo00199a031

Reference yield:

: 92817-04-4
estrone triflate

: 92817-14-6
16α-fluoro-17α-ethynylestradiol

Guidance literature:: Multi-step reaction with 7 steps

1: 70.6 percent / 1.) Toluene sulfonic acid (cat. amount) / 1.) reflux, 5 h 2.) 25 deg C, 7 h

2: 64.8 percent / acetonitrile; CH₂Cl₂ / 12 h / Ambient temperature

3: 69 percent / aq. EtOH / tetrahydrofuran / 11 h / Ambient temperature

4: 49 percent / 2,6-Lutidine / CH₂Cl₂ / 0.25 h / ice bath

5: 62 percent / tetrabutyl ammonium fluoride / tetrahydrofuran / 0.5 h / Ambient temperature

6: Butyllithium / pentane; tetrahydrofuran / 0.08 h / 0 °C

7: KOH / methanol / 0.5 h / 60 °C

With 2,6-dimethylpyridine; potassium hydroxide; n-butyllithium; ethanol; Toluene sulfonic acid (cat. amount); tetrabutyl ammonium fluoride; In tetrahydrofuran; methanol; dichloromethane; acetonitrile; pentane;
DOI:10.1021/jo00199a031