[EN] AN IMPROVED PROCESS FOR THE PREPARATION OF (1S, 4S, 7Z, 10S, 16E, 21R)- 7-ETHYLIDENE-4,21-BIS(1-METHYLETHYL)-2-OXA-12,13-DITHIA-5, 8, 20, 23- TETRAAZABICYCLO[8.7.6]TRICOS-16-ENE-3, 6, 9, 19, 22-PENTONE<br/>[FR] PROCÉDÉ AMÉLIORÉ POUR LA PRÉPARATION DE (1S, 4S, 7Z, 10S, 16E, 21R)- 7-ÉTHYLIDÈNE-4,21-BIS(1-MÉTHYLÉTHYL)-2-OXA-12,13-DITHIA-5, 8, 20, 23- TÉTRAAZABICYCLO[8.7.6]TRICOS-16-ÈNE-3, 6, 9, 19, 22-PENTONE
申请人:MSN LABORATORIES PRIVATE LTD
公开号:WO2017068596A1
公开(公告)日:2017-04-27
The present invention is relates to an improved process for the preparation (1S,4S,7Z,10S,16E,21R)-7-ethylidene-4,21-bis(1-methylethyl)-2-oxa-12,13-dithia-5,8,20,23-tetraazabi-cyclo[8.7.6]tricos-16-ene-3,6,9,19,22-pentone of formula I.
本发明涉及一种改进的制备过程,用于制备式I的(1S,4S,7Z,10S,16E,21R)-7-乙烯基-4,21-双(1-甲基乙基)-2-氧-12,13-二硫-5,8,20,23-四氮杂环[8.7.6]三十一烯-16-烯-3,6,9,19,22-五酮。
Thailandepsins: Bacterial Products with Potent Histone Deacetylase Inhibitory Activities and Broad-Spectrum Antiproliferative Activities
作者:Cheng Wang、Leonhard M. Henkes、Leah B. Doughty、Min He、Difei Wang、Franz-Josef Meyer-Almes、Yi-Qiang Cheng
DOI:10.1021/np200324x
日期:2011.10.28
Histone deacetylase (HDAC) inhibitors have emerged as a new class of anticancer drugs, with one synthetic compound, SAHA (vorinostat, Zolinza; 1), and one natural product, FK228 (depsipeptide, romidepsin, Istodax; 2), approved by FDA for clinical use. Our studies of FK228 biosynthesis in Chromobacterium violaceum no. 968 led to the identification of a cryptic biosynthetic gene cluster in the genome of Burkholderia thailandensis E264. Genome mining and genetic manipulation of this gene cluster further led to the discovery of two new products, thailandepsin A (6) and thailandepsin B (7). HDAC inhibition assays showed that thailandepsins have selective inhibition profiles different from that of FK228, with comparable inhibitory activities to those of FK228 toward human HDAC1, HDAC2, HDAC3, HDAC6, HDAC7, and HDAC9 but weaker inhibitory activities than FK228 toward HDAC4 and HDAC8, the latter of which could be beneficial. NCI-60 anticancer screening assays showed that thailandepsins possess broad-spectrum antiproliferative activities with GI(50) for over 90% of the tested cell lines at low nanomolar concentrations and potent cytotoxic activities toward certain types of cell lines, particularly for those derived from colon, melanoma, ovarian, and renal cancers. Thailandepsins thus represent new naturally produced HDAC inhibitors that are promising for anticancer drug development.
METHODS AND COMPOUNDS FOR THE TREATMENT OF GENETIC DISEASE
申请人:Design Therapeutics, Inc.
公开号:US20210238226A1
公开(公告)日:2021-08-05
The present disclosure relates to compounds and methods for modulating the expression of dmpk, atxn1, atxn2, atxn3, cacna1a, atxn7, ppp2r2br tbp, htt, jph3r ar, or atn1 and treating diseases and conditions in which dmpk, atxn1, atxn2, atxn3, cacna1a, atxn1, ppp2r2b, tbp, htt, jph3, ar, or atn1 plays an active role. The compound can be a transcription modulator molecule having a first terminus, a second terminus, and oligomeric backbone, wherein: a) the first terminus comprises a DNA-binding moiety capable of noncovalently binding to a nucleotide repeat sequence CAG or CTG; b) the second terminus comprises a protein-binding moiety binding to a regulatory molecule that modulates an expression of a gene comprising the nucleotide repeat sequence CAG or CTG; and c) the oligomeric backbone comprising a linker between the first terminus and the second terminus.