Answered: H x.x HO OH cat. Pyridine Ethanol A HO…

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H x.x HO OH cat. Pyridine Ethanol A HO H₁C CH3 OH

Chemistry: Principles and Practice

3rd Edition

ISBN:9780534420123

Author:Daniel L. Reger, Scott R. Goode, David W. Ball, Edward Mercer

Publisher:Daniel L. Reger, Scott R. Goode, David W. Ball, Edward Mercer

Chapter22: Organic Chemistry And Biochemistry

Section: Chapter Questions

Problem 87QE

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Question

Draw a detailed mechanism, using curved arrow notation,for the synthesis of 3-carboxy-umbeliferone from 2,4- dihydroxybenzaldehyde and Meldrum's Acid via a Knovenagle condensation and hydrolysis. Please include all necessary catalyst such as 5% pyridine(catalyst) in ethanol).

H
x.x
HO
OH
cat. Pyridine
Ethanol A
HO
H₁C
CH3
OH

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2) Complete the reaction: NO. LOH FECLT
Complete the following reaction with explanation
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Intermolecular Forces and Solubility: (Like dissolve like) 1. Which of the following molecules are polar? Label them. 2. Which of the following molecules are nonpolar. Label them. 3. Which of the following compounds are ionic? Label them. 4. Which of the compounds below would dissolve best in cyclohexane and which ones will dissolve best in water? Put a W or C next to each indicated structure to indicate their solubility. Do not put W or C next to cyclohexane or water because they are solvents to dissolve other molecules H2 H2C° CH2 H. H2C. .CH2 water H2 cyclohexane K* i. H2 H2 H3C. K* CH3 H2 H2 H3C CH3 potassium sulfate hexane acetone K,SO4
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