Trichalcogenasumanene ortho-Quinones:Synthesis,Properties,and Transformation into Various Heteropoly

来源 :第十二届全国物理有机化学学术会议 | 被引量 : 0次 | 上传用户:bigdaddyyy
下载到本地 , 更方便阅读
声明 : 本文档内容版权归属内容提供方 , 如果您对本文有版权争议 , 可与客服联系进行内容授权或下架
论文部分内容阅读
The heterasumanenes are promising buckybowls because the aromaticity of the fivemembered rings differs from each other with regards to the heteroatoms.
其他文献
A distinctive 5πe-carbonyl activation mode is reported on the basis of SET oxidation of a secondary enamine.The resulted β-enaminyl radical intermediate was trapped by a wide range of Michael acceptor
会议
Redox transformation of carboxylic acids is an ancient,yet fundamental transformation,as carboxylic acids are readily available from nature or chemical industry.
会议
N,O-acetals(NOAcs) have been developed as bench stable surrogates for N-carbamoyl formaldehyde and glyoxylate imines in asymmetric Mannich reactions.
会议
A new mechanism of α-photoalkylation of β-ketocarbonyls under household compact fluorescent lamp(CFL) light is described in this paper,which can construct asymmetric all-carbon quaternary centers dire
会议
通常认为2-OHArCH=NArX-4(2-OHBAX-4)存在互变异构平衡(Fig.1)[1]而影响它们的光谱性能.我们在对比研究2-OHBAX-4和4-OHBArX-4的紫外吸收和核磁共振(NMR)谱时发现,前者的紫外吸收最大波长λmax(nm)有显著的红移[2],NMR 谱中OH 的1H 和CH=N 的13C 的化学位移δ 值都明显移向低场.
会议
Oxidative cross-coupling reactions between two distinct nucleophlic partners have been identified as a valuable strategy for the construction of carbon–carbon or carbon–heteroatom bonds in modern synt
会议
Isoxazolines and pyridines are not only used as useful heterocyclic intermediates in organic synthesis,but also widely used in natural products,pharmaceuticals,etc.
会议
Fused indoline derivatives,especially indolines with a fused six-membered ring at the C2 and C3 positions are extensively existed in natural or medicinal products.
会议
Nickel catalysts have shown unique ligand control of stereoselectivity in the Suzuki–Miyaura cross-coupling of boronates with benzylic pivalates and derivatives involving C(sp3)–O cleavage.The SIMes l
会议
Unsymmetrical 1,3-diynes are important compounds in organic chemistry,and also important intermediates in organic synthesis.1 The structural motif of 1,3-diyne,which is a constituent part of natural p
会议