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6. Reaction of 14 with TMS-CECH, and Et aZn (let's ignore the stereochemistry stuff), afforded product 17. Using an appr
Posted: Tue Nov 16, 2021 6:24 am
by answerhappygod
- 6 Reaction Of 14 With Tms Cech And Et Azn Let S Ignore The Stereochemistry Stuff Afforded Product 17 Using An Appr 1 (21.91 KiB) Viewed 41 times
6. Reaction of 14 with TMS-CECH, and Et aZn (let's ignore the stereochemistry stuff), afforded product 17. Using an appropriate mechanism to explain the stereoselectivity (%ee) of this reaction? Оме Br Оме Br TMS (S)-BINOL, Et Zn N-methylimidazole Ti(Oi-Pr) CHCl, it 77% CHO Оме 14 OM OH 17 (85% ee) (>99% ee) TMS K,CO, Меон, rt 100% recrystallization 80%