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On the selectivity of deprotection of benzyl, mpm (4-methoxybenzyl) and dmpm (3,4-dimethoxybenzyl) protecting groups for hydroxy functions
Abstract The 4-methoxybenzyl (MPM) protecting group for hydroxy functions is readily removed with DDQ in dichloromethane containing a small amount of water at room temperature. Under these neutral… Expand
Specific removal of o-methoxybenzyl protection by DDQ oxidation.
Abstract Methoxybenzyl protecting groups of alcohols were readily and efficiently removed with DDQ in CH2Cl2-H2O at room temperature. Under these neutral conditions, other usual protecting groups,… Expand
SPECIFIC REMOVAL OF O-METHOXYBENZYL PROTECTION BY DDQ OXIDATION
Novel Preparation Method of Highly Copper Ion-exchanged ZSM-5 Zeolites and Their Catalytic Activities for NO Decomposition
Copper(II) ion-exchanged ZSM-5 zeolites with 100% or more exchange levels were readily prepared by addition of basic compounds such as ammonia and Mg(OH)2 to the mother solution. The catalytic… Expand
Protection of hydroxy groups by intramolecular oxidative formation of methoxybenzylidene acetals with DDQ
Abstract On DDQ oxidation under anhydrous conditions, hydroxy groups located at α or β position to methoxybenzyl ether groups were readily protected by the intramolecular oxidative formation of… Expand
DMPM (3,4-dimethoxybenzyl) protecting group for hydroxy function more readily removable than MPM (P-methoxybenzyl) protecting group by DDQ oxidation
Abstract The DMPM (3,4-dimethoxybenzyl) protection for hydroxy function was deprotected more readily than the MPM (p-methoxybenzyl) protection by DDQ oxidation under neutral conditions, and applied… Expand
SYNTHESIS OF OXAZOLYLINDOLE ALKALOIDS FROM TRYPTAMINE AND TRYPTOPHAN BY OXIDATION WITH 2,3‐DICHLORO‐5,6‐DICYANOBENZOQUINONE
Tetrachloroethylene oxide: hydrolytic products and reactions with phosphate and lysine.
- T. Yoshioka, J. A. Krauser, F. Guengerich
- Chemistry, Medicine
- Chemical research in toxicology
- 23 July 2002
Tetrachloroethylene, or perchloroethylene (PCE), has considerable industrial use and is of toxicological interest because of a variety of effects. Most of the existing literature presents PCE oxide… Expand
Synthesis of acetylated methyl (β-d-glucopyranosid)uronates of N-aryl-N-hydroxyacetamides by the orthoester glycosylation method
Glycosides of N-hydroxy-N-arylamine derivatives. Part 1. Synthesis and mutagenicity of O-glucosides of N-Hydroxy-N-arylamines and their acetohydroxamic acids
N-Acetyl-N-arylamino β-D-glucopyranosides (7a–d) were synthesized by the orthoester glycosylation method via N-arylamino β-D-glucopyranosides (6a–d), and the N-acetyl amides, having an N–O–C-1… Expand