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Of the reagent below, which are best suited for this conversion? A) SOCl_2, foll

ID: 530858 • Letter: O

Question

Of the reagent below, which are best suited for this conversion? A) SOCl_2, followed by HN(CH_2)_2 B) KOH, followed by HN (CH_3)_2 C) NH_1 followed by CH_3] D) (CH_3)_2 NOH, heat Which of the following has only a single peak in its proton NMR spectrum? A) only I B) only II C) I and II D) I, II, and III The proton NMR of a compound, C_3 H_2 IO, has the following peaks. Which compound below best fits the data? broad singlet delta 2.41 (1H) triplet delta 2.41 (2H) triplet delta 3.69 (2H) doublet delta 7.02 (2H) doublet delta 7.50 (2H) The proton NMR spectrum of a compound, C_2 H_2 Cl_2, has a panted (quintet) at delta 2.19 and a triplet at delta 3.2 1:2 ratio, respectively. Which compound below best matches the data?

Explanation / Answer

Ans 24 A) SOCl2 followed by HN(CH3)2

Benzoic acid conversion to N,N dimethyl Benzamide takes place through formation of benzoyl chloride.

Benzoic acid reacts with thionyl chloride to give its correspondinf alkanoyl chloride which then reacts with dimethyl amine in an dimethyl ether medium to give desired amide.

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