Stereochemie von Aldolreaktionen mit 3-Hexulose-Phosphat-Synthase

Autor:	Maria-Regina Kula, Hans-Peter Brockamp, Alois Steigel
Rok vydání:	1993
Předmět:	ATP synthase biology Stereochemistry Organic Chemistry Absolute configuration Acetaldehyde biology.organism_classification Methylococcaceae chemistry.chemical_compound Methylomonas chemistry Aldol reaction Ribulose 5-phosphate biology.protein Aldol condensation Physical and Theoretical Chemistry
Zdroj:	Liebigs Annalen der Chemie. 1993:621-624
ISSN:	1099-0690 0170-2041
Popis:	Stereochemistry of Aldol Reactions with 3-Hexulose Phosphate Synthase The enzymic reaction between ribulose-5-phosphate (1) and formaldehyde or acetaldehyde catalyzed by hexulose phosphate synthase (HPS) from Methylomonas M 15 DSM 580 yielded D-arabino-3-hexulose-6-phosphate (2) and two new 7-deoxy-4-heptulose-1-phosphates (4, 6). By various NMR-spectroscopic methods, especially NOED, the configuration of the dephosphorylated products was established as (5R,6S) and (5R,6R). The configuration of two earlier described 7,8-dideoxy-4-octulose-1-phosphates (8, 10) synthesized likewise by HPS catalysis must be corrected.
Databáze:	OpenAIRE
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