IMIDAZOLIDINE-2,4-DIONE DERIVATIVES, AND USE THEREOF AS A CANCER DRUG
申请人:Prevost Gregoire
公开号:US20120083514A1
公开(公告)日:2012-04-05
The present application relates to novel imidazolidine-2,4-dione derivatives of the general formula (I), where R
1
, R
2
, R
3
, R
4
, X, and Y are variables. Said materials have an antiproliferative activity. They are particularly useful for treating pathological conditions and diseases, such as cancer, that are linked to abnormal cell proliferation. The invention also relates to pharmaceutical compositions containing said materials and to the use thereof for preparing a drug.
METHOD FOR PREPARING THIOCARBOXYLIC ACID S-(FLUOROALKYL) ESTER
申请人:Sumitomo Chemical Company Limited
公开号:EP2684870A1
公开(公告)日:2014-01-15
It is provided that a method for producing a thiocarboxylic acid S-(fluoroalkyl) ester represented by formula (III) [wherein R1 represents a methyl group, an ethyl group or a phenyl group, and R2 represents a C1-C5 fluoroalkyl group] by reacting a thiocarboxylic acid represented by formula (I) [wherein R1 has the same meaning as defined above] with a fluoroolefin represented by formula (II) [wherein R2 has the same meaning as defined above] in the presence of a radical generator.
The present invention relates to novel compounds which are 7α-substituted 17-alkylene-16α-hydroxy steroidal estrogens. This invention specifically relates to estrogen derivatives which contain 7α-substituents and which exhibit anti-estrogenic properties. The present invention also relates to use of said compounds as a medicament, and for the treatment of estrogen dependent disorders, a pharmaceutical composition comprising one or more of said compounds and a method of treatment.