Synthesis and Antiviral Activities of Some New 5-Heteroaromatic Substituted Derivatives of 2'-Deoxyuridine
摘要:
Eight new 5-heteroaromatic substituted analogues of 2'-deoxyuridine have been synthesized and evaluated for their inhibitory properties against a panel of different viruses. Several analogues containing a substituted thiophene moiety proved to be highly selective against herpes simplex virus type 1 (HSV-1).
Water-Soluble Pd–Imidate Complexes: Broadly Applicable Catalysts for the Synthesis of Chemically Modified Nucleosides via Pd-Catalyzed Cross-Coupling
作者:Vijay Gayakhe、Ajaykumar Ardhapure、Anant R. Kapdi、Yogesh S. Sanghvi、Jose Luis Serrano、Luis García、Jose Pérez、Joaquím García、Gregorio Sánchez、Christian Fischer、Carola Schulzke
DOI:10.1021/acs.joc.5b02475
日期:2016.4.1
A broadly applicable catalyst system consisting of water-soluble Pd–imidate complexes has been enployed for the Suzuki–Miyaura cross-coupling of four different nucleosides in water under mild conditions. The efficient nature of the catalyst system also allowed its application in developing a microwave-assisted protocol with the purpose of expediting the catalytic reaction. Preliminary mechanistic studies
Imine-Palladacycles as Phosphine-Free Precatalysts for Low-Temperature Suzuki–Miyaura Synthesis of Nucleoside Analogues in Aqueous Media
作者:José Luis Serrano、Luis García、José Pérez、Pedro Lozano、Jevy Correia、Santosh Kori、Anant R. Kapdi、Yogesh S. Sanghvi
DOI:10.1021/acs.organomet.0c00580
日期:2020.12.28
tested, and bridging acetates were cleaved by reaction with neutral PPh3, yielding the corresponding mononuclear derivatives [Pd(R-C^N-SO3Na)(AcO)(PPh3)] (R = H (4), MeO (5), Cl (6)). Analytical and spectroscopic techniques confirmed the proposed formulas and reactivities reported for complexes 1–6. Structuralcharacterization by X-ray diffraction of single crystals grown from samples of 4 and 6 produced
Synthesis and antiviral activity of 5-thien-2-yl-2'-deoxyuridine analogs
作者:Piet Wigerinck、Luc Kerremans、Paul Claes、Robert Snoeck、Prabhat Maudgal、Erik De Clercq、Piet Herdewijn
DOI:10.1021/jm00057a003
日期:1993.3
reagents and palladium complexes as catalyst. The palladium-catalyzed cross-coupling reaction between 5-iodo-2'-deoxyuridine and stannylated heteroaromatics was optimized for the synthesis of the 5-thien-3-yl-2'-deoxyuridine and 5-furan-3-yl-2'-deoxyuridine. 5-(5-Iodothien-2-yl)-2'-deoxyuridine was used as starting material for the synthesis of 5-(5-methylthien-2-yl)-2'-deoxyuridine, 5-(5-vinylthien-2-yl)-2'-deoxyuridine
Following our previous results on an environmentally benign one-pot Sonogashira-cyclization protocol to obtain substituted furopyrimidine nucleosides under aqueous conditions, we investigate herein the Suzuki-Miyaura cross-coupling reactions of aryl and heteroaryl derivatives at the C5 position of unprotected 2'-deoxyuridine in the same media with a common catalyst system avoiding exotic ligands, since palladium acetate and triphenylphosphine afforded the expected products in moderate to good yields.
Supported Synthesis and Functionnalization of 2″-Deoxyuridine by Suzuki-Miyaura Cross-Coupling
作者:Saïd El Kazzouli、Sabine Berteina-Raboin、Luigi A. Agrofoglio
DOI:10.1080/15257770701534170
日期:2007.11.26
realized under Suzuki-Miyaura palladium-catalyzed cross-coupling conditions. UsingPd(PPh3 ) 4 and Na 2 CO 3 , 5-iodo-2′-deoxyuridine bound to solid support is coupled with various boronic acids to give 5-(hetero)aryl-2′-deoxyuridine. Pd(PPh3 ) 4 palladium catalyzed was found to be superior to Pd(OAc) 2 and (NHC)Pd(allyl)Cl for Suzuki-Miyaura palladium-catalyzed reactions.
在铃木-宫浦钯催化的交叉偶联条件下已经实现了2'-脱氧尿苷的合成和修饰。使用Pd(PPh 3)4和Na 2 CO 3,将结合到固体载体上的5-碘-2'-脱氧尿苷与各种硼酸偶合,得到5-(杂)芳基-2'-脱氧尿苷。发现在铃木-宫浦钯催化的反应中,催化的Pd(PPh 3)4钯优于Pd(OAc)2和(NHC)Pd(烯丙基)Cl。