CSIR NET Chemical Science 2024 | TFIR 2018 important Question | Arfaaz Sir #shorts

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A, 1st step 6π dis rotation 2nd step:Malic anhydride exo pdt show krti h

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Electrocyclic and 4+2

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Option A

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Option A will be correct answer

Sir please reply

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A- Endo product with cis methyl group

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A ( disrotatary ring closing+ diels alder reaction endo products formed)

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😢 option A

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1st - (4+2) electrocylisation in {∆} [Dis] show "cis" stereo of 'Me' & form diene.
2nd - (4+2) cycloaddition with melaic anhydride show ENDO product due to secondary p-orbital intrection with π- bond . & Stereo of both bridge opposite.