ABC26OR1015 · Pericyclic Reactions

Subject: Organic Chemistry · Chapter: Pericyclic Reactions · Topic: Cycloaddition Diels Alder · Exam: NET JUNE 2011 · Marks: 2 · Difficulty: Medium

The concerted photochemical reaction between two olefins leading to a cyclobutane ring is:

(a)$\pi 2 \mathrm{s}+\pi 2 \mathrm{a}$ cycloaddition

(b)$\pi 2s + \pi 2s$ cycloaddition

(c)$\sigma 2 \mathrm{s}+\sigma 2 \mathrm{s}$ cycloaddition

(d)$\pi 2s + \sigma 2a$ cycloaddition

Answer

Answer (as printed): B

Explanation

No explanation was printed for this question.

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