A new method for the synthesis of furan derivatives is outlined. By the action of a mixture of concentrated sulphuric acid and acetic anhydride in the molecular ratio of 1:2 on αβ- or βγ-unsaturated ketones, having a branching of the carbon skeleton in the β-position, δ-sultones ...
The bonding in the molecule ion VO(H2O)(5)(2+) is described in terms of molecular orbitals. In particular, the most significant feature of the electronic structure of VO2+ seems to be the existence of considerable oxygen to vanadium pi-bonding. A molecular orbital energy level scheme is ...
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5-Fluorouracil (5-FU) is one of the most potent antimetabolites, which have been widely used in the treatment of advanced solid tumours. As an anticancer a... Ahul,L J.,Adhav,... 被引量: 0发表: 2017年 ChemInform Abstract: Synthesis of Tetrasubstituted Furan Derivatives by Condensation of...
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In connection with our ongoing projects relating to the synthesis of natural and unnatural 5H-furan-2-one derivatives,[1] we recently became interested in developing a convenient and efficient synthesis of (−)-incrustoporin [(−)-3-(p-tolyl)-5-ethyl-5H-furan-2-one] 1a, an antifunga...
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Furthermore, compounds isolated from these plants have shown to possess antifungal and antibacterial activities, as well as inhibition properties of leukotriene formation. 展开 关键词: Stemofurans A and C Suzuki coupling Pyrano-2-arylbenzofurans DOI: 10.1007/s00436-006-0337-2 被引量: 10 ...
1,5-dideoxy-1,5-imino-D-glucitol derivatives N-aroyl radical is selected from the group consisting of p- decylbenzoyl, 3-(p-chlorophenoxy)propanoyl, 2-(acetyloxy)benzoyl, [1,1'- biphenyl]-4-ylcarbonyl, 2-thiopheneacetyl, trans-3-furanacryloyl 3- methoxyphenylacetyl and 3-(... RA Part...
Enantioselective dearomative prenylation of indole derivatives. Nat. Catal. 1, 601–608 (2018). Article CAS Google Scholar Tao, Z. L., Zhang, W. Q., Chen, D. F., Adele, A. & Gong, L. Z. Pd-catalyzed asymmetric allylic alkylation of pyrazol-5-ones with allylic alcohols: the role...