The present invention discloses compounds of formula I, or pharmaceutically acceptable salts, esters, or prodrugs thereof:
which exhibit antibacterial properties. The present invention further relates to pharmaceutical compositions comprising the aforementioned compounds for administration to a subject in need of antibiotic treatment. The invention also relates to methods of treating a bacterial infection in a subject by administering a pharmaceutical composition comprising the compounds of the present invention. The invention further includes process by which to make the compounds of the present invention.
Palladium-Catalyzed Desulfitative CH Arylation of Heteroarenes with Sodium Sulfinates
作者:Bo Liu、Qiang Guo、Yangyang Cheng、Jingbo Lan、Jingsong You
DOI:10.1002/chem.201102644
日期:2011.11.25
Desulfitative CHarylation: Palladium‐catalyzed desulfitative CHarylation of heteroarenes with sodium sulfinates has been disclosed to construct aryl–heteroaryl bonds without the need for any extra ligands (see scheme).
The present invention discloses compounds of formula I, or pharmaceutically acceptable salts, esters, or prodrugs thereof:
which exhibit antibacterial properties. The present invention further relates to pharmaceutical compositions comprising the aforementioned compounds for administration to a subject in need of antibiotic treatment. The invention also relates to methods of treating a bacterial infection in a subject by administering a pharmaceutical composition comprising the compounds of the present invention. The invention further includes process by which to make the compounds of the present invention.
The present invention discloses compounds of formula (I) or pharmaceutically acceptable salts, esters, or prodrugs thereof:
which exhibit antibacterial properties. The present invention further relates to pharmaceutical compositions comprising the aforementioned compounds for administration to a subject in need of antibiotic treatment. The invention also relates to methods of treating a bacterial infection in a subject by administering a pharmaceutical composition comprising the compounds of the present invention. The invention further includes process by which to make the compounds of the present invention.
A metal-, light-free radical alkylation reaction of purines and nucleosides has been achieved with readily available alcohols (1°, 2°, 3°) as the alkyl radical sources enabled by oxalates, which does not need any catalysts, N2 protection, and protecting groups. Although there are three potential active C(sp2)H bonds and four interferential nitrogen atoms in the purine motif, the reaction still shows
以草酸盐为烷基自由基源,以易得的醇(1°、2°、3°)实现了嘌呤和核苷的金属、光自由基烷基化反应,不需要任何催化剂、N 2保护和保护基团。尽管嘌呤基序中存在3个潜在的活性C( sp 2 ) H键和4个干扰氮原子,但该反应在C 6 H位上仍然表现出优异的区域选择性,并且不存在多烷基化问题。此外,该方法表现出广泛的功能组耐受性,并且可扩展至克级,可应用于后期 C 嘌呤的 H 烷基化合成具有抗 CEM 活性的 6-环戊基星云碱,从而证明了其实用性。