Posebna izdanja (Srpdka kraljevska akademija), Том 237 |
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Страница 30
... Optically active carboxylic acids give optically pure alcohols without racemization of the asymmetric centers , 139 , 306 , 324 , 326 , 332 , 335–338 , 948 , 1130 , 1163 , 1165 , 1167 , 1524 as demonstrated by the conversion of optically ...
... Optically active carboxylic acids give optically pure alcohols without racemization of the asymmetric centers , 139 , 306 , 324 , 326 , 332 , 335–338 , 948 , 1130 , 1163 , 1165 , 1167 , 1524 as demonstrated by the conversion of optically ...
Страница 35
... OPTICALLY ACTIVE ESTERS The reduction of esters containing an a - asymmetric carbon atom or asymmetric centers in the alcohol rest occurs in general with- out racemization . 326 , 417 , 477-481 , 949 , 1165 , 1195 , 1228 , 1252 This ...
... OPTICALLY ACTIVE ESTERS The reduction of esters containing an a - asymmetric carbon atom or asymmetric centers in the alcohol rest occurs in general with- out racemization . 326 , 417 , 477-481 , 949 , 1165 , 1195 , 1228 , 1252 This ...
Страница 36
... optically pure lysergols and dihydrolysergols are obtained . 501 , 1009 The reduction of esters by lithium aluminum hydride has been utilized for the preparation of optically active alcohols from their esters , in those cases , when ...
... optically pure lysergols and dihydrolysergols are obtained . 501 , 1009 The reduction of esters by lithium aluminum hydride has been utilized for the preparation of optically active alcohols from their esters , in those cases , when ...
Садржај
LITHIUM ALUMINUM HYDRIDE AS A REDUCING AGENT IN | 1 |
III | 7 |
Special Procedures and Preparation of Hydride Solutions | 13 |
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Acta action of lithium alcohols aldehydes aliphatic alkyl amides amino aromatic attack by lithium carbon atom carbonyl carbonyl group CH₂ CH₂O CH₂OH CH3 CH3 Chem Chemistry and Industry Chim chloride complex compounds containing converted corresponding cyclic derivatives diethyl ether dihydro diol double bond enol epoxides ester group ether solution ethylenic forcing conditions formation functional groups furnishes give H₂C H₂CO H₂O halides halogen Helv heterocyclic Hydride in Organic hydrocarbons hydrogen hydrogenolysis hydrolysis hydroxy hydroxyl group intermediate Karrer ketones lactams lactone LIAIHA lithium aluminum hydride lithium hydride means of lithium mechanism methyl mixture Monatsh nitriles nitro nitrogen nucleophilic obtained olefin optically active oxazolone oxide polar racemic react with lithium reaction reagent reducing agent reductions by lithium ring Rosenkranz saturated solvent steroids sulfinic acids sulfonate sulfonic acids temperatures tertiary tetrahydrofuran unsaturated VIII XVII XVIII XXIII yields