Small-Molecule Inhibitors of Protein Geranylgeranyltransferase Type I
摘要:
Small molecules that inhibit the geranylgeranylation of K-Ras4B and RhoA by protein geranylgeranyltransferase type I (GGTase-I) were identified from chemical genetic screens of heterocycles synthesized through phosphine catalysis of allenes. To further improve the efficacy of the GGTase-I inhibitors (GGTIs), 4288 related compounds bearing core dihydropyrrole/pyrrolidine and tetrahydropyridine/piperidine scaffolds were synthesized on SynPhase lanterns in a split-pool manner through phosphine-catalyzed [3 + 2] and [4 + 2] annulations of resin-bound allenoates. Testing of the 4288 analogues resulted in several GGTIs exhibiting submicromolar IC50 values. Because proteins such as Ras and Rho GTPases are implicated in oncogenesis and metastasis, these GGTIs might ultimately lead to the development of novel antitumor therapeutics.
Small-Molecule Inhibitors of Protein Geranylgeranyltransferase Type I
摘要:
Small molecules that inhibit the geranylgeranylation of K-Ras4B and RhoA by protein geranylgeranyltransferase type I (GGTase-I) were identified from chemical genetic screens of heterocycles synthesized through phosphine catalysis of allenes. To further improve the efficacy of the GGTase-I inhibitors (GGTIs), 4288 related compounds bearing core dihydropyrrole/pyrrolidine and tetrahydropyridine/piperidine scaffolds were synthesized on SynPhase lanterns in a split-pool manner through phosphine-catalyzed [3 + 2] and [4 + 2] annulations of resin-bound allenoates. Testing of the 4288 analogues resulted in several GGTIs exhibiting submicromolar IC50 values. Because proteins such as Ras and Rho GTPases are implicated in oncogenesis and metastasis, these GGTIs might ultimately lead to the development of novel antitumor therapeutics.
Hexamethyldisilazane Sodium Salt as Highly Active Lewis Base Catalyst for the Staudinger Reaction
作者:René Wilhelm、Oksana Sereda
DOI:10.1055/s-2007-990968
日期:2007.12
Hexamethyldisilazane sodium salt (NaHMDS) has been found to be a highlyactiveLewisbasecatalyst for the Staudinger reaction with disubstituted ketenes and imines. This organocatalyst gave highly substituted β-lactams in nearly quantitative yield in a very short time of five minutes even at temperatures as low as -78 °C.
已发现六甲基二硅氮烷钠盐 (NaHMDS) 是用于与双取代烯酮和亚胺进行施陶丁格反应的高活性路易斯碱催化剂。这种有机催化剂即使在低至 -78 °C 的温度下,也能在 5 分钟的很短的时间内以几乎定量的产率得到高度取代的 β-内酰胺。
INHIBITORS OF PROTEIN PRENYLTRANSFERASES
申请人:Kwon Ohyun
公开号:US20110178138A1
公开(公告)日:2011-07-21
The present invention is directed to novel compounds. These compounds can be useful in inhibiting the activity of protein prenyltransferases including GGTase I and/or RabGGTase. The compounds can also be used as anti-cancer therapeutics including as part of methods for treating cancer, in assays, and in kits.
US8815935B2
申请人:——
公开号:US8815935B2
公开(公告)日:2014-08-26
Small-Molecule Inhibitors of Protein Geranylgeranyltransferase Type I
作者:Sabrina Castellano、Hannah D. G. Fiji、Sape S. Kinderman、Masaru Watanabe、Pablo de Leon、Fuyuhiko Tamanoi、Ohyun Kwon
DOI:10.1021/ja070274n
日期:2007.5.1
Small molecules that inhibit the geranylgeranylation of K-Ras4B and RhoA by protein geranylgeranyltransferase type I (GGTase-I) were identified from chemical genetic screens of heterocycles synthesized through phosphine catalysis of allenes. To further improve the efficacy of the GGTase-I inhibitors (GGTIs), 4288 related compounds bearing core dihydropyrrole/pyrrolidine and tetrahydropyridine/piperidine scaffolds were synthesized on SynPhase lanterns in a split-pool manner through phosphine-catalyzed [3 + 2] and [4 + 2] annulations of resin-bound allenoates. Testing of the 4288 analogues resulted in several GGTIs exhibiting submicromolar IC50 values. Because proteins such as Ras and Rho GTPases are implicated in oncogenesis and metastasis, these GGTIs might ultimately lead to the development of novel antitumor therapeutics.