- Design, synthesis and biological evaluation of spiropyrimidinetriones oxazolidinone derivatives as antibacterial agents
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Gram-positive bacteria are among the most common human pathogens associated with clinical infections which range from mild skin infections to sepsis. Resistance towards existing class of drugs by Gram-positive bacteria including methicillin resistant Stap
- Siddiqui, Asher M.,Sattigeri, Jitendra A.,Javed, Kalim,Shafi, Syed,Shamim,Singhal, Smita,Malik, Zubbair M.
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Read Online
- Catalyst-free photodecarbonylation ofortho-amino benzaldehyde
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It is almost a consensus that decarbonylation of the aldehyde group (-CHO) needs to not only be mediated by transition metal catalysts, but also requires severe reaction conditions (high temperature and long reaction time). In this work, inspired by the “conformational-selectivity-based” design strategy, we broke this consensus and discovered a catalyst-free photodecarbonylation of the aldehyde group. It revealed that decarbonylation can be easily achieved with visible light irradiation by introducing a tertiary amine into theortho-position of the aldehyde group. A diverse array of tertiary amines is tolerated by our photodecarbonylation under mild conditions. Furthermore, the (QM) computations of the mechanism and the experiments on well-designed special substrates revealed that our photodecarbonylation depends on the conformational specificity of the aldehyde group and tertiary amine, and occurs through an unusual [1,4]-H shift and a subsequent [1,3]-H shift.
- Li, Lamei,Wang, Songping,Wei, Wentao,Yan, Ming,Zhou, Jingwei
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supporting information
p. 3421 - 3426
(2020/06/25)
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- WDR5 INHIBITORS AND MODULATORS
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Described are compounds that disrupt the WDR5-MLL1 protein-protein interaction, pharmaceutical compositions including the compounds, and methods of using the compounds and compositions for treating disorders and conditions in a subject.
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Paragraph 0186-0188
(2018/04/20)
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- ACRYLAMIDE DERIVATIVE, PROCESS FOR PRODUCING THE SAME, AND USE
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A compound represented by the formula: wherein R1 is a 5- or 6-membered ring; R3 is a hydrogen atom, a lower alkyl group or a lower alkoxy group; R7 and R8 are each a hydrogen atom or a lower alkyl group; Z1 is another 5- or 6-membered aromatic ring; Z2 is a group represented by -Z2a-W1-Z2b- [wherein Z2a and Z2b are each O, S(O)m (wherein m is 0, 1 or 2), an imino group or a bond, and W1 is an alkylene chain]; X is CR (wherein R is a hydrogen atom, a lower alkyl group, a lower alkoxy group, an acyl group, or R and adjacent R4 may form a 5- or 6-membered alicyclic heterocyclic group) or N; R4 is NR5R6 (wherein R5 and R6 are each a hydrogen atom, a hydrocarbon group, a heterocyclic group or an acyl group), or R5 and R6 are bonded to each other to form a heterocyclic group of NR5R6; and R2 is (1) an amino group which may be a quaternary ammonium or oxide, (2) a nitrogen-containing heterocyclic group which may contain a sulfur atom or an oxygen atom as the ring-constituting atom, in which the nitrogen atom may be converted to a quaternary ammonium or an oxide, or the like; or a salt thereof. The compound has excellent CCR5 antagonistic activity and thus is useful as a prophylactic and/or therapeutic medicine for HIV infection into human peripheral blood monocyte, especially for AIDS.
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Page/Page column 74
(2010/02/14)
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