Idoxifene

Idoxifene
Clinical data
Other names	CB-7432, SB-223030; Pyrrolidino-4-iodotamoxifen; 4-Iodopyrrolidinotamoxifen
Routes of; administration	Oral
Pharmacokinetic data
Elimination half-life	Acute: 15 hours[1]; Chronic: 23 days[1]
Identifiers
	IUPAC name 1-[2-[4-[(E)-1-(4-iodophenyl)-2-phenylbut-1-enyl]phenoxy]ethyl]pyrrolidine;
CAS Number	116057-75-1;
PubChem CID	3034011;
ChemSpider	2298565;
UNII	456UXE9867;
KEGG	D04496;
ChEMBL	ChEMBL6318;
CompTox Dashboard (EPA)	DTXSID5043926 ;
Chemical and physical data
Formula	C28H30INO
Molar mass	523.458 g/mol g·mol−1
3D model (JSmol)	Interactive image;
	SMILES CC/C(=C(/C1=CC=C(C=C1)OCCN2CCCC2)\C3=CC=C(C=C3)I)/C4=CC=CC=C4;
	InChI InChI=1S/C28H30INO/c1-2-27(22-8-4-3-5-9-22)28(23-10-14-25(29)15-11-23)24-12-16-26(17-13-24)31-21-20-30-18-6-7-19-30/h3-5,8-17H,2,6-7,18-21H2,1H3/b28-27-; Key:JJKOTMDDZAJTGQ-DQSJHHFOSA-N;

Idoxifene (INN, USAN, BAN) (former developmental code names CB-7432, SB-223030), also known as pyrrolidino-4-iodotamoxifen, is a nonsteroidal selective estrogen receptor modulator (SERM) of the triphenylethylene group which was under development for the treatment of breast cancer and postmenopausal osteoporosis but was never marketed.[1][2][3] It reached phase III clinical trials for postmenopausal osteoporosis and phase II clinical trials for breast cancer before development was discontinued in 1999 due insufficient effectiveness in both cases.[1]

Chemistry

A large-scale chemical synthesis of idoxifene has been devised.[4]

https://adisinsight.springer.com/drugs/800003448%5B%5D
William R. Miller; James N. Ingle (8 March 2002). Endocrine Therapy in Breast Cancer. CRC Press. pp. 58–. ISBN 978-0-203-90983-6.
McCague R, Leclercq G, Legros N, Goodman J, Blackburn GM, Jarman M, Foster AB (1989). "Derivatives of tamoxifen. Dependence of antiestrogenicity on the 4-substituent". J. Med. Chem. 32 (12): 2527–33. doi:10.1021/jm00132a006. PMID 2585441.
McCague, Raymond; Potter, Gerard A.; Jarman, Michael (1994). "AN EFFICIENT, LARGE-SCALE SYNTHESIS OF IDOXIFENE {(E)-1-[4-[2-(N-PYRROLIDINO)ETHOXY]PHENYL]-1-(4-IODOPHENYL)-2-PHENYL-1-BUTENE}". Organic Preparations and Procedures International. 26 (3): 343–346. doi:10.1080/00304949409458432. ISSN 0030-4948.

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