Match each reaction/phrase with the correct product/answer. v Isobutyl alcohol and warm, basic KMNO4 A. Penicillin vortho-Phthalic acid and excess methanol with an acid catalyst B. Benzoic acid v"Moldy" Mary Hunt C. Tetrahedral intermediate Nucleophilic acyl substitution v Alexander Fleming D. 2-Phenylpentanoate E. Penicillium chrysogenum Benzene plus 1) HNO3, H2SO4; 2) Fe & HCI; 3) NANO2, HCI; F.p- or o-Methylphenol 4) CUCN; 5) H*, H20, heat G. 3-Methylbutanoic acid H. Benzoic acid 3-Oxohexanoic acid and heat I. 1,2-Dimethyl phthalate Toluene plus 1) HNO3, H2SO4; 2) Fe & HCl; 3) NaNO2, HCI; 4) H*, H20 J. Pentan-2-one Aniline plus 1) NANO2, HCI; 2) CuBr, 3) Mg, ether, 4) carbon dioxide; 5) dilute HCI 2-Phenylpentanoic acid plus ammonia
Reactive Intermediates
In chemistry, reactive intermediates are termed as short-lived, highly reactive atoms with high energy. They rapidly transform into stable particles during a chemical reaction. In specific cases, by means of matrix isolation and at low-temperature reactive intermediates can be isolated.
Hydride Shift
A hydride shift is a rearrangement of a hydrogen atom in a carbocation that occurs to make the molecule more stable. In organic chemistry, rearrangement of the carbocation is very easily seen. This rearrangement can be because of the movement of a carbocation to attain stability in the compound. Such structural reorganization movement is called a shift within molecules. After the shifting of carbocation over the different carbon then they form structural isomers of the previous existing molecule.
Vinylic Carbocation
A carbocation where the positive charge is on the alkene carbon is known as the vinyl carbocation or vinyl cation. The empirical formula for vinyl cation is C2H3+. In the vinyl carbocation, the positive charge is on the carbon atom with the double bond therefore it is sp hybridized. It is known to be a part of various reactions, for example, electrophilic addition of alkynes and solvolysis as well. It plays the role of a reactive intermediate in these reactions.
Cycloheptatrienyl Cation
It is an aromatic carbocation having a general formula, [C7 H7]+. It is also known as the aromatic tropylium ion. Its name is derived from the molecule tropine, which is a seven membered carbon atom ring. Cycloheptatriene or tropylidene was first synthesized from tropine.
Stability of Vinyl Carbocation
Carbocations are positively charged carbon atoms. It is also known as a carbonium ion.
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