![]()
AMBIENTUM BIOETHICA BIOLOGIA CHEMIA DIGITALIA DRAMATICA EDUCATIO ARTIS GYMNAST. ENGINEERING EPHEMERIDES EUROPAEA GEOGRAPHIA GEOLOGIA HISTORIA HISTORIA ARTIUM INFORMATICA IURISPRUDENTIA MATHEMATICA MUSICA NEGOTIA OECONOMICA PHILOLOGIA PHILOSOPHIA PHYSICA POLITICA PSYCHOLOGIA-PAEDAGOGIA SOCIOLOGIA THEOLOGIA CATHOLICA THEOLOGIA CATHOLICA LATIN THEOLOGIA GR.-CATH. VARAD THEOLOGIA ORTHODOXA THEOLOGIA REF. TRANSYLVAN
|
|||||||
The STUDIA UNIVERSITATIS BABEÅž-BOLYAI issue article summary The summary of the selected article appears at the bottom of the page. In order to get back to the contents of the issue this article belongs to you have to access the link from the title. In order to see all the articles of the archive which have as author/co-author one of the authors mentioned below, you have to access the link from the author's name. |
|||||||
STUDIA CHEMIA - Issue no. 1 / 2006 | |||||||
Article: |
PSEUDOCERAMIDES AND THEIR DERIVATIVES. 3. BENZYLIDENE ACETALS OF N-ACETYL-N-METHYL GLUCAMINE – PRELIMINARY STUDY.. Authors: CRISTIAN NEANU, FRANCISC PETER, IOANA ŞIŞU, CAROL CSUNDERLIK, EUGEN ŞIŞU. |
||||||
Abstract: Acetalization of N-acetyl-N-methyl-1-amino-1-deoxy-D-glucitol with 2.5 equivalents of 1,1-dimethoxybenzaldehide in N,N-dimethylformamide at reflux temperature with camphorsulphonic acid as catalyst yielded 5,6-O-benzylidene-N-acetyl-N-methyl-glucamine as the major product. 2,3:4,6-di-O-benzylidene-N-acetyl-N-methyl-glucamine, 4,6-O-benzylidene-N-acetyl-N-methyl-glucamine and a mixture of 2,3:5,6- and 3,4:5,6-di-O-benzylidene-N-acetyl-N-methyl-glucamine byproducts have been also isolated. Separation and purification conditions of these new products are described. The structures have been assigned by 13C-NMR and MS-EI. | |||||||
![]() |
|||||||