sily lation
DESCRIPTION
fghTRANSCRIPT
HETEROCYCLIC AROMATIC COMPOUNDS:
HYDROSILYLATION REACTION BY: CH. CAISER FASIEH
HOMOGENEOUS CATALYST IN HYDROSILYLATION:REDUCTION OF UNSATURATED BONDS BY REACTION WITH (Si-H) FUNCTIONALITY.
HYDROSILYLATION: HYDROSILYLATION MECHANISM:
MORE EXAMPLES:
REDUCTION OF ,-UNSATURATED CARBONYL COMPOUNDS : Unique and affective method :
Depends upon ratio of catalyst.Some are senstive to catalyst. HYDROSILYLATION RING CLOSURE REACTION:
1,4 addition Require high temprature Pd is active with conjugated olefins but not with unconjugated HYDROSILYLATION OF CONJUGATED DIENES:
Efficient for obtaining vinylsilanes The ratio of to varies with R3Si
HYDROSILYLATION OF ACETYLENES:
TO ALCOHOLS: Not widely used but reaction is highly stereospecific REDUCTION OF C=O:
TO ALKENES: ketone + His + lewis acid REDUCTION OF C=O:
Enantioselective HYDROSILYLATION OF C=N BONDS:
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