Organic transformations and reagents: Functional group interconversion including oxidations and reductions; common catalysts and reagents (organic, inorganic, organometallic and enzymatic). Chemo, regio and stereoselective transformations.
Reagents are “substances or compounds that are added to a system in order to bring about a chemical reaction.
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1.The major product formed in the following reaction is
2.The major product formed in the following reaction is…
3.The major product formed in the following reaction sequence is
4.The major products A and B in the following reaction sequence are
5.The major product in the following reaction is
In presence of PPh3 a nitrene intermediate is generated which react with C=O to form a 3-membered ring which on ring opening give = N-O(-)bond. An in second step NaBH3CN reduced in to group mechanism in shown below.
6.The correct reagent combination to effect the following reaction is