ABC26OR0708 · Spectroscopy

Subject: Organic Chemistry · Chapter: Spectroscopy · Topic: Spectroscopy – General · Exam: GATE 2000-2022 · Marks: 2 · Difficulty: Medium

Which of the following set of characteristic NMR signals iwll be compatible with the structure of P in the above reaction?

(a)$\delta 7.18(\mathrm{d}, \mathrm{J}=6 \mathrm{Hz}, 2 \mathrm{H}), 7.01(\mathrm{d}, \mathrm{J}=6 \mathrm{Hz}, 2 \mathrm{H}), 6.41(\mathrm{d}, \mathrm{J}=18 \mathrm{Hz}, 1 \mathrm{H})$

(b)$\delta 7.11(\mathrm{d}, \mathrm{J}=6 \mathrm{Hz}, 1 \mathrm{H}), 7.10(\mathrm{s}, 1 \mathrm{H}), 7.09(\mathrm{t}, \mathrm{J}=5 \mathrm{Hz}, 1 \mathrm{H}) 6.94(\mathrm{d}, \mathrm{J}=5 \mathrm{Hz}, 1 \mathrm{H}), 6.41(\mathrm{d}, \mathrm{J}=17 \mathrm{Hz}, 1 \mathrm{H})$

(c)$\delta 7.18(\mathrm{d}, \mathrm{J}=6 \mathrm{Hz}, 2 \mathrm{H}), 7.01(\mathrm{d}, \mathrm{J}=6 \mathrm{Hz}, 2 \mathrm{H}), 6.35(\mathrm{d}, \mathrm{J}=9 \mathrm{Hz}, 1 \mathrm{H})$

(d)$\delta 7.11(\mathrm{d}, \mathrm{J}=6 \mathrm{Hz}, 1 \mathrm{H}), 7.10(\mathrm{s}, 1 \mathrm{H}), 7.09(\mathrm{t}, \mathrm{J}=5 \mathrm{Hz}, 1 \mathrm{H})$, $6.94(\mathrm{d}, \mathrm{J}=5 \mathrm{Hz}, 1 \mathrm{H}), 6.35(\mathrm{d}, \mathrm{J}=10 \mathrm{Hz}, 1 \mathrm{H})$

Answer

SELF-PRACTICE — the source book printed no answer.

Nothing is invented here, so this question has no answer on record.

Explanation

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