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D-Ethylgonendione

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Origin: China

Cas No: 21800-83-9

Specification: 99%min

Min order Quantity: 1 /kg

Supply Ability: 50 mt/month

Lead time: 7 days for OEM, 3 days for ready goods

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CAS No.: 21800-83-9 Formula: C19H26O2 Molecular Weight: 286.40900

Description

Norgestrel intermediate.

Basic Info

Chemical Name	D-Ethylgonendione
Synonyms	Desogestrel InterMediates; 18-methyl-11-methylene-4-estren-17-one; 18-methyl-4-estrene-3,17-dione; 13-ethyl-11-methylengon-4-ene; 18-methyl-4-estren-3,17-dione; 11-methylene-18a-homo-estr-4-en-17-one; 18-Methylestr-4-en-3,17-dione; 13-ethyl-11-methylenegona-4-en-17-one; Desogestrel EP IMpurity C; 18a-homo-estr-4-en-3,17-dione; 13b-Ethyl-11-methylenegon-4-en-17-one; 13-Ethyl-11-methylene-gon-4-en-17-one;
CAS No.	21800-83-9
Molecular Formula	C19H26O2
Molecular Weight	286.40900
PSA	34.14000
LogP	4.08740

Properties

Appearance & Physical State	Light yellow crystalline solid
Density	1.11 g/cm3
Boiling Point	445.2ºC at 760 mmHg
Melting Point	1676-167ºC
Flash Point	166ºC
Refractive Index	1.55
Vapor Pressure	4.01E-08mmHg at 25°C

Safety Info

HS Code	2914190090

Synthesis Route

Methoxydienone→D-Ethylgonendione
13-ethyl-gona-4-ene-11α,17β-diol→D-Ethylgonendione
[18,19-Dinorpregn-4-en-20-yn-3-one-13-ethyl-17-hydroxy-,(17.α.)-(-)-]→D-Ethylgonendione

Precursor

13-ethyl-gona-4-ene-11α,17β-diol
Methoxydienone
13β-ethyl-3-methoxy-17,17-ethylenedioxy-gona-2,5(10)-diene
Sodium bicarbonate

Downstream Product

13BETA-ETHYL-15A-HYDROXY-18-NORANDROST-4-ENE-3,17-DIONE
Gestodene
(8R,9S,13S,14S,17S)-13-ethyl-3-methoxy-6,7,8,9,11,12,14,15,16,17-decahydrocyclopenta[a]phenanthren-17-ol
Ethylmetrienone

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