Encyclopedia of Physical Science and Technology, Volume 2Academic Press, 1992 - Physical sciences |
From inside the book
Results 1-3 of 13
Page 651
... OH and OR Groups I. DISPLACEMENT OF OH GROUPS BY OR GROUPS ( GLYCOSIDATION ) . The anomeric hydroxyl groups of cyclic sugars and their esters can be exchanged in acid media by the OR group of alcohols and phenols . The displacement of ...
... OH and OR Groups I. DISPLACEMENT OF OH GROUPS BY OR GROUPS ( GLYCOSIDATION ) . The anomeric hydroxyl groups of cyclic sugars and their esters can be exchanged in acid media by the OR group of alcohols and phenols . The displacement of ...
Page 653
... hydroxyl H10 - CMе3 groups ) is not practical from the synthetic point of view , because it is usually accompanied ... groups is their displacement by X groups to form glyco- syl halides . The latter are used in the Koenigs- Knorr method ...
... hydroxyl H10 - CMе3 groups ) is not practical from the synthetic point of view , because it is usually accompanied ... groups is their displacement by X groups to form glyco- syl halides . The latter are used in the Koenigs- Knorr method ...
Page 654
... group and leave the secondary hydroxyl groups free by making use of the fact that , be- cause secondary hydroxyl groups are in a more crowded environment , they might not react to any appreciable extent if mild reaction condi- tions and ...
... group and leave the secondary hydroxyl groups free by making use of the fact that , be- cause secondary hydroxyl groups are in a more crowded environment , they might not react to any appreciable extent if mild reaction condi- tions and ...
Contents
GUIDE TO USING | 54 |
THE ENCYCLOPEDIA | 271 |
Guide to Using the Encyclopedia ix Atomic Physics | 339 |
Copyright | |
19 other sections not shown
Other editions - View all
Common terms and phrases
acid active addition applications approximation asbestos atmosphere atoms BASIC become boundary called carbon cause cell chemical clouds complex concentration continuous cross depends determined developed distribution dust effects electron elements emission energy engine equations example excited exist expert fibers field flow force function galaxies given ground heat important increase input interaction ions knowledge known layer light limited mass material mean measurements mechanical ment method molecular molecules natural objects observed obtained occur operator particles physical positive possible problem radiation range reaction region relative result shows solar solution space speed stars structure surface Table temperature tion turbulence typical unit University usually variable wave wavelength weight wind