15796-65-3Relevant articles and documents
In situ generation of nitrile oxides from copper carbene and tert -butyl nitrite: Synthesis of fully substituted isoxazoles
Chen, Rongxiang,Ogunlana, Abosede Adejoke,Fang, Shangwen,Long, Wenhao,Sun, Hongmei,Bao, Xiaoguang,Wan, Xiaobing
supporting information, p. 4683 - 4687 (2018/07/06)
Herein, we present a novel [3 + 2] cycloaddition reaction of β-keto esters with nitrile oxides, which were generated in situ from copper carbene and tert-butyl nitrite. This three-component reaction provides new methodology for the direct synthesis of fully substituted isoxazole derivatives, featuring mild reaction conditions, readily accessible starting materials and simple operation. The experimental studies and DFT calculations suggest that the reaction starts with the generation of the key intermediate nitrile oxides, followed by a [3 + 2] cycloaddition reaction of β-keto esters to give the final isoxazole products.
Design and synthesis of piperidine farnesyltransferase inhibitors with reduced glucuronidation potential
Tanaka, Rieko,Rubio, Almudena,Harn, Nancy K.,Gernert, Douglas,Grese, Timothy A.,Eishima, Jun,Hara, Mitsunobu,Yoda, Nobuyuki,Ohashi, Rui,Kuwabara, Takashi,Soga, Shiro,Akinaga, Shiro,Nara, Shinji,Kanda, Yutaka
, p. 1363 - 1382 (2008/02/13)
The design and synthesis of a novel piperidine series of farnesyltransferase (FTase) inhibitors with reduced potential for metabolic glucuronidation are described. The various substitution and exchange of the phenyl group at the C-2 position of the previously described 2-(4-hydroxy)phenyl-3-nitropiperidine 1a (FTase IC50 = 5.4 nM) resulted in metabolically stable compounds with potent FTase inhibition (14a IC50 = 4.3 nM, 20a IC50 = 3.0 nM, and 50a IC50 = 16 nM). Molecular modeling studies of these compounds complexed with FTase and farnesyl pyrophosphate are also described.
