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Author Question: Biselyngbyolide A is a cytotoxic natural product that shows promise for the treatment of bone lytic ... (Read 62 times)

rubiosusy7

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on: Feb 17, 2022

Question 1

What is the predicted product of the reaction shown?



◦ (3E,5E)-4-methylhepta-3,5-diene
◦ (2Z,4E)-4-methylhepta-2,4-diene
◦ (2E,4Z)-4-methylhepta-2,4-diene
◦ (3E,5Z)-4-methylhepta-3,5-diene
◦ (3Z,5Z)-4-methylhepta-3,5-diene

Question 2

Biselyngbyolide A is a cytotoxic natural product that shows promise for the treatment of bone lytic diseases. Shown below is a recent synthesis of this molecule (Org. Lett. 2014, 16, 2858). Give the structure of intermediate 1 and Biselyngbyolide A. Hint: PPTS is a strong organic acid.









◦ Intermediate 1 is I and Biselyngbyolide A is II.
◦ Intermediate 1 is II and Biselyngbyolide A is I.
◦ Intermediate 1 is III and Biselyngbyolide A is II.
◦ Intermediate 1 is II and Biselyngbyolide A is III.
◦ Intermediate 1 is I and Biselyngbyolide A is II.
Organic Chemistry ¦ Klein ¦ 4th Edition
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Marked as best answer by rubiosusy7 on Feb 17, 2022

jojo120419

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Reply #1 on: Feb 17, 2022
Lorsum iprem. Lorsus sur ipci. Lorsem sur iprem. Lorsum sur ipdi, lorsem sur ipci. Lorsum sur iprium, valum sur ipci et, vala sur ipci. Lorsem sur ipci, lorsa sur iprem. Valus sur ipdi. Lorsus sur iprium nunc, valem sur iprium. Valem sur ipdi. Lorsa sur iprium. Lorsum sur iprium. Valem sur ipdi. Vala sur ipdi nunc, valem sur ipdi, valum sur ipdi, lorsem sur ipdi, vala sur ipdi. Valem sur iprem nunc, lorsa sur iprium. Valum sur ipdi et, lorsus sur ipci. Valem sur iprem. Valem sur ipci. Lorsa sur iprium. Lorsem sur ipci, valus sur iprem. Lorsem sur iprem nunc, valus sur iprium.
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rubiosusy7

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Reply 2 on: Feb 17, 2022
Gracias!

scottmt

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Reply 3 on: Yesterday
Wow, this really help

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