Methods for its preparation and use, and novel compounds for attachment to the support are described.doi:US5886193 AMichael Joseph McLeanAndrew John GarmanUSUS5886193 1997年5月9日 1999年3月23日 Zeneca Limited Homocyclic and heterocyclic compounds suitable for use in oligonucleotide synthesis...
Heterocyclic Compounds ChemInform Abstract: Homo- and Heterogeneous Organocatalysis: Enantioselective Mannich Addition of Ketones to Endocyclic Carbon—Nitrogen Double Bonds. Knut Schulz, Lars Ratjen and Juergen Martens Article first published online: 21 APR 2011 DOI: 10.1002/chin.201120169 Copyright © ...
The solvothermal reaction of TBA4W10O32, Zn(NO3)2·6H2O, NH2-BPY and L−N-tert-butoxy-carbonyl-2-(imidazole)-1-pyrrolidine (L−BCIP) in a mixed solvent of acetonitrile and H2O gave compound ZnW−PYI1 in a yield of 68% (Supplementary Fig. 1). Elemental analyses and powder X-...
Investigation of the regio-and stereoselectivity of the annelation reaction of cyclic schiff base with structurally asymmetrical β,β′-triketones. Synthesis ... - 《Chemistry of Heterocyclic Compounds》 被引量: 0发表: 2000年 Investigation of Ligand Effect on Regio- and Stereoselectivity in the Hec...
The following hydroxy derivatives of heterocyclic compounds have been generated in solution and characterized by 1H-NMR supectroscopy: 3-hydroxyfuran, 3-hydroxythiophene, 3-hydroxypyrrole, 3-hydroxy-l-methylpyrrole, 3-hvdroxybenzo-furan, 3-hydroxybenzothiophene, 3-hydroxyindole, 3-hydroxy-1-...
Liu, S,and C Kuo.Microbial potential for the anaerobic transformation of simple homocyclic and heterocyclic compounds in sediments of the Tsengwen River,Taiwan. Chem Ecol . 1996Kuo, Microbial potential for the anaerobic transformation of simple homocyclic and heterocyclic compounds in sediments of ...
Polycyclic Aromatic Compounds 22:601-610.Bleeker, E. A. J.; Pieters, B. J.; Wiegman, S.; Kraak, M. H. S. 2002. Comparative (photoenhanced) toxicity of homocyclic and heterocyclic PACs, Polycyclic Aromatic Compounds, vol. 22, no. 3-4, pp. 601-610....
N-containing heterocyclic, alkoxy, alkoxyalkoxy, aryloxy or halogenoaryloxy groups, or R1 and R2 together complete a 5- or 6-membered N-containing heterocyclic ring which may be substituted by one or more alkyl groups and wherein R3, R4 and R5 each represent a hydrogen atom or an alkyl gr...
In this context the already better understood homocyclic sulfur compounds and, in particular, the mixed species, the heterocyclic selenium sulfides, can serve as models to study the structural and chemical behavior of the selenium-selenium bond....
A. L. Mikhal'chukInstitute of Bioorganic Chemistry, Academy of Sciences of Belarus, MinskA. A. AkremInstitute of Bioorganic Chemistry, Academy of Sciences of Belarus, MinskKluwer Academic Publishers-Plenum PublishersChemistry of Heterocyclic Compounds...