21) Intermediate Q was synthesized en route to analogs of a natural product has several protecting groups (A-E), some of which are orthogonal. The conditions listed below are used to selectively remove some of these protecting groups. 21a Fill in the groups (A-F) cleaved by the reagents indicated. 21b Draw the structure of the product that is formed when Q is treated with H2 and Pd/C. 21.1 Conditions Protecting Group (s) Removed DDQ Bu, Bu но ТВАF Bu o Bu NC H Pd/C TFA CN ТВАF DDQ TFA 21.2 H,C HN H Pd/C CH YCH, -Pr 1-Bu-si-o H,C OCH,

21) Intermediate Q was synthesized en route to analogs of a natural product has several protecting groups (A-E), some of which are orthogonal. The conditions listed below are used to selectively remove some of these protecting groups. 21a Fill in the groups (A-F) cleaved by the reagents indicated. 21b Draw the structure of the product that is formed when Q is treated with H2 and Pd/C. 21.1 Conditions Protecting Group (s) Removed DDQ Bu, Bu но ТВАF Bu o Bu NC H Pd/C TFA CN ТВАF DDQ TFA 21.2 H,C HN H Pd/C CH YCH, -Pr 1-Bu-si-o H,C OCH,

Chemistry

10th Edition

ISBN:9781305957404

Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Chapter1: Chemical Foundations

Section: Chapter Questions

Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...

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