Posebna izdanja (Srpdka kraljevska akademija), Том 237 |
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Резултати 1-3 од 15
Страница 27
... STEROIDS Steric selectivity of the hydride reductions is manifested par- ticularly in the steroid field where , in most cases , one epimer is almost exclusively obtained . The reduction of a 2 - keto steroid has been reported only in ...
... STEROIDS Steric selectivity of the hydride reductions is manifested par- ticularly in the steroid field where , in most cases , one epimer is almost exclusively obtained . The reduction of a 2 - keto steroid has been reported only in ...
Страница 71
... steroid field , as demonstrated by several examples.143 , 144 , 232 , 691 , 694 , 1646 , 1516 However , in determining the direction of ring opening of these epoxides and of primary - secondary , primary - tertiary * and unsymmet- rical ...
... steroid field , as demonstrated by several examples.143 , 144 , 232 , 691 , 694 , 1646 , 1516 However , in determining the direction of ring opening of these epoxides and of primary - secondary , primary - tertiary * and unsymmet- rical ...
Страница 191
... Steroid acids , 29 esters of , 34 Steroidal 5a . 8a - epidioxides , 76 Steroidal epoxides , 69 , 70 Steroidal sapogenins , cleavage of ring F in , 131 i - Steroids , formation of , 113 Al - Stilbene oxide , cis- and trans- , 71 ...
... Steroid acids , 29 esters of , 34 Steroidal 5a . 8a - epidioxides , 76 Steroidal epoxides , 69 , 70 Steroidal sapogenins , cleavage of ring F in , 131 i - Steroids , formation of , 113 Al - Stilbene oxide , cis- and trans- , 71 ...
Садржај
LITHIUM ALUMINUM HYDRIDE AS A REDUCING AGENT IN | 1 |
III | 7 |
Special Procedures and Preparation of Hydride Solutions | 13 |
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Чести термини и фразе
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