Current location:Home > Product Center > 13-ethyl-17alpha-hydroxy-18,19-dinorpregn-4-en-20-yn-3-one butyrate

13-ethyl-17alpha-hydroxy-18,19-dinorpregn-4-en-20-yn-3-one butyrate

  • Name 13-ethyl-17alpha-hydroxy-18,19-dinorpregn-4-en-20-yn-3-one butyrate
  • CAS 86679-33-6
  • Purity 99%
Inquiry

Product Details

Factory Supply industrial standard 13-ethyl-17alpha-hydroxy-18,19-dinorpregn-4-en-20-yn-3-one butyrate 86679-33-6 In Stock

  • Molecular Formula: C25H34 O3
  • Molecular Weight: 382.543
  • Boiling Point: 491.7oC at 760 mmHg 
  • Flash Point: 210.7oC 
  • PSA: 43.37000 
  • Density: 1.11 
  • LogP: 5.35660 

86679-33-6 Relevant articles

Norethisterone and levonorgestrel esters: A novel synthetic method

Leung,Karunanithy,Becket,Yeo

, p. 639 - 647 (2007/10/02)

-

Long-acting contraceptive agents: Alphatic and alicyclic carboxylic esters of levonorgestrel

Shafiee, A.,Vossoghi, M.,Savabi, F.,Schubert, K.,Ponsold, K.,et al.

, p. 349 - 359 (2007/10/02)

-

86679-33-6 Process route

levonorgestrel
797-63-7

levonorgestrel

butyric acid
107-92-6

butyric acid

levonorgestrel 17β-butyrate
86679-33-6

levonorgestrel 17β-butyrate

Conditions
Conditions Yield
With sodium carbonate; trifluoroacetic anhydride; In benzene; for 1.5h; Ambient temperature;
98.4%
butyryl chloride
141-75-3

butyryl chloride

levonorgestrel
797-63-7

levonorgestrel

levonorgestrel 17β-butyrate
86679-33-6

levonorgestrel 17β-butyrate

Conditions
Conditions Yield
With thallium (I) ethoxide;

86679-33-6 Upstream products

  • 141-75-3
    141-75-3

    butyryl chloride

  • 797-63-7
    797-63-7

    levonorgestrel

  • 107-92-6
    107-92-6

    butyric acid

Related products

*Product Name
CAS
Purity
Quantity
Company name
*Email
*Other Description
*Code
The items marked with* are mandatory.
Submit