ORGANIC CHEMISTRY-NEXTGEN+BOX (1 SEM.)
ORGANIC CHEMISTRY-NEXTGEN+BOX (1 SEM.)
4th Edition
ISBN: 9781119760986
Author: Klein
Publisher: WILEY
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Chapter 12.2, Problem 12.9P
Interpretation Introduction

Interpretation:

The major product for the given reaction sequence has to be predicted.

Concept Introduction:

Alkynes are the compounds that contain a triple bond between two carbon atoms.  The carbon atom present in the triple bond is sp hybridised.  Due to this, the geometry of alkyne will be linear.  Terminal alkyne are the one which has a proton attached to the triple bond and internal alkyne are the one in which there are no protons attached to the triple bond.

ORGANIC CHEMISTRY-NEXTGEN+BOX (1 SEM.), Chapter 12.2, Problem 12.9P , additional homework tip  1

Alkynes can be prepared from geminal dihalide or vicinal dihalide by treating with a very strong base.

ORGANIC CHEMISTRY-NEXTGEN+BOX (1 SEM.), Chapter 12.2, Problem 12.9P , additional homework tip  2

Two equivalents of base is required because the substrate is a dihalide.  If the alkyne formed is a terminal alkyne, then three equivalents of base has to be used resulting in salt formation of the alkyne.  This on treatment with water gives the terminal alkyne.  The general reaction can be given as shown below,

ORGANIC CHEMISTRY-NEXTGEN+BOX (1 SEM.), Chapter 12.2, Problem 12.9P , additional homework tip  3

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Obtain 2-methylbutanoic acid by malonic or acetylacetic synthesis (indicate the formulas of the compounds involved).
EFFICIENTS SAMPLE READINGS CONCENTRATIONS Pigiadient) TOMATO SAUCE (REGULAR) TOMATO (REDUCED SALT) TOMATO SAUCE (REGULAR) TOMATO (REDUCED SALT) 58 6.274 3.898 301.7 151.2 14150 5.277 3.865 348.9 254.8 B 5.136 3.639 193.7 85.9 605 4.655 3.041 308.6 199.6 05 5.135 3.664 339.5 241.4 0139 4.676 3.662 160.6 87.6 90148 5.086 3.677 337.7 242.5 0092 6.348 3.775 464.7 186.4 PART3 5.081 3.908 223.5 155.8 5.558 3.861 370.5 257.1 4.922 3.66 326.6 242.9 4.752 3.641 327.5 253.3 50 5.018 3.815 336.1 256.0 84 4.959 3.605 317.9 216.6 38 4.96 3.652 203.8 108.7 $3 5.052 3.664 329.8 239.0 17 5.043 3.767 221.9 149.7 052 5.058 3.614 331.7 236.4 5.051 4.005 211.7 152.1 62 5.047 3.637 309.6 222.7 5.298 3.977 223.4 148.7 5.38 4.24 353.7 278.2 5 5.033 4.044 334.6 268.7 995 4.706 3.621 305.6 234.4 04 4.816 3.728 340.0 262.7 16 4.828 4.496 304.3 283.2 0.011 4.993 3.865 244.7 143.6 AVERAGE STDEV COUNT 95% CI Confidence Interval (mmol/L) [Na+] (mg/100 mL) 95% Na+ Confidence Interval (mg/100 mL)
If we have two compounds: acetone (CH₃COCH₃) and acetic acid (CH₃COOH), applying heat to them produces an aldol condensation of the two compounds. If this is correct, draw the formula for the final product.
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