The synthetic sequences shown below are unlikely to occur as written. Tell whatis wrongwith each, and predict the true product.BrOCCCH3)3(CH3)3COKH3C-CH2CH3H3C-CH2CH3(a)(CH33COHонNAOHOHCICH3 SOCI2CHsPyridine(c).

Given : Synthetic sequence for reactions. To find : True products of the reactions. Solution : As we…

Answered: The synthetic sequences shown below are…

Organic Chemistry: A Guided Inquiry

2nd Edition

ISBN:9780618974122

Author:Andrei Straumanis

Publisher:Andrei Straumanis

Chapter13: Substitution

Section: Chapter Questions

Problem 4E

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A difficult problem in the synthesis of PGF2α is the introduction of the OH group at C15 in the desired configuration. a. Label this stereogenic center as R or S. b. A well known synthesis of PGF2α involves reaction of A with Zn(BH4)2, a metal hydride reagent similar in reactivity to NaBH4, to form two isomeric products, B and C. Draw their structures and indicate their stereochemical relationship. c. Suggest a reagent to convert A to the single stereoisomer X.
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The synthetic sequences shown below are unlikely to occur as written. Tell what is wrong with each, and predict the true product. Br OCCCH3)3 (CH3)3COK H3C- CH2CH3 H3C- CH2CH3 (CH3)3COH OH NAOH OH CI CH SOCI2 CHs Pyridine (c).