CAS: 496775-61-2; (Z)-3'-(2-(1-(3,4-Dimethylphenyl)-3-Methyl-5-Oxo-1H-Pyrazol-4(5H)-Ylidene)Hydrazinyl)-2'-Hydroxy-[1,1'-Biphenyl]-3-Carboxylic Acid

专利信息

专利号:US-12435042-B2
优先权日:2019-07-04
标题:Process for the preparation of key intermediates for the synthesis of Eltrombopag or salt thereof
发明人：STABILE PAOLO; SEMERARO FLORIANA
权利人:F I S —FABBRICA ITALIANA SINTETICI S P A
摘要:Object of the present invention is an improved process for the preparation of key intermediates for the synthesis of Eltrombopag, passing through/using intermediate 5′-Chloro-2′-hydroxy[1,1′-biphenyl]-3-carboxylic acid alkaline metal salt of formula: wherein A is an alkaline metal.

专利号:WO-2013049605-A1
优先权日:2011-09-28
标题 :Processes for the preparation of an intermediate in the synthesis of eltrombopag
发明人：AVDAGIC AMIR; BARAN PHIL S
权利人:ASSIA CHEM IND LTD; TEVA PHARMACEUTICAL USA INC
摘要:3'-Amino-2'-hydroxybiphenyl-3-carboxylic acid (BPCA) and related compounds have been prepared using compounds such as: wherein R 1 is -H, -Cl or -F; R 2 is -Br or -I; and R 3 is -H or -N0 2 . BPCA is useful, for example, in the preparation of Eltrombopag.

专利号:US-2022118123-A1
优先权日:2019-02-22
标 题 :Combination of ar antagonists and targeted thorium conjugates
发明人：HAMMER STEFANIE; HAGEMANN URS BEAT; HAENDLER BERNARD; LEJEUNE PASCALE; ZITZMANN-KOLBE SABINE; SCHATZ CHRISTOPH; KARLSSON JENNY
权利人:BAYER AG; BAYER AS
摘要:The present invention covers combinations of at least two components, component A and component B, comprising component A being PSMA-TTC, and component B being an antiandrogen selected form AR antagonists such as from cyproterone acetate, bicalutamide, flutamide, nilutamide, enzalutamide, apalutamide, darolutamide or keto-darolutamide, or an AR degrader such as ARV-110, or an ARN-terminal domain binder such as EPI-506, or an antisense oligonucleotide that reduces AR expression such as EZN-4176 or AZD-5312, or an androgen synthesis inhibitor such as abiraterone, particularly abiraterone acetate, seviteronel, galeterone, orteronel or ketoconazole, or a dual AR antagonist and androgen synthesis inhibitor such as ODM-204. Another aspect of the present invention covers the use of such combinations as described herein for the preparation of a medicament for the treatment or prophylaxis of a disease, particularly for the treatment of a hyper-proliferative disease.

专利号:US-2022298116-A1
优先权日:2019-07-04
标题:Process for the preparation of key intermediates for the synthesis of eltrombopag or salt thereof

专利号:WO-2021001044-A1
优先权日:2019-07-04
标题 :Process for the preparation of key intermediates for the synthesis of eltrombopag or salt thereof

专利号:CN-114072386-A
优先权日:2019-07-04
标题 :Improved process for the preparation of key intermediates for the synthesis of eltrombopag or salts thereof