Grignard Addition to Quinoxalinium Salt: Synthesis of 1, 2-Dihydroquinoxaline and 1, 2, 3, 4-Tetrahy

来源 :中国化学快报(英文版) | 被引量 : 0次 | 上传用户:q51525779
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
Grignard additions to a quinoxalinium salt were studied. Depending on the ratio of the reagents and reaction temperature, 1, 2, 3, 4-tetrahydroquinoxaline and 1, 2-dihydroquinoxaline derivatives could be resulted selectively.
其他文献
The synthesis of novel 1-arylsulfonyl -4- (1′-N -2′, 3′, 4′, 6′-tetra-O-acetyl-β-D-glucopyranosyl) thiosemicarbazides via condensation of 2, 3, 4, 6-tetra
The equivalence of multipartite quantum mixed states under local unitary transformations is studied. A criterion for the equivalence of non-degenerate mixed mul
A new hemiterpenoid, (+)-(2R,3S)-2-chloro-3-hydroxy-3-methyl-γ-buty-rolactone was isolated from the leaves of Prinsepia utilis Royle. Its structure was elucida
Ionic liquid (1-ethyl-3-methylimidazolium tetrafluoroborate, 1E-3MI-TFB) and HP-β-CD as modifier was added to the buffer to separate hyperoside, luteolin and c
Thermoregulated organic biphasic system composed of triethylene glycol monomethyl ether (TGME) and n-heptane was first applied to the hydrogenation of 1-octene.
This article considers a risk model as in Yuen et al. (2002). Under this model the two claim number processes are correlated. Claim occurrence of both classes r
An efficient and green method for the synthesis of 1, 4-dihydropyridine derivatives mediated in an ionic liquid, [bmim][BF4], through a four-component condensat
Quantum density functional theory (DFT) results are reported for the building block [LaL1(NO3)]- of La complex [LaL1(NO3)]NO3·5H2O (L1 = (CH3)2CHCH2CH(NCHC4H3O
The synergism of ethylene-propylene-diene monomer copolymer (EPDM) and dicumyl peroxide (DCP, a crosslinking agent) in low density polyethylene (LDPE)/poly(viny
Two novel complexes (Zn(Him-thz)2(NO3)((NO3 1 and (Ni(Him-thz)2(NO3)((NO3 2 (Him-thz = 2-(2'-thiazole)-4,4,5,5-teramethyl-dihydro-1H-imidazolyl-1-hydroxy) have