
Concept explainers
The Perkin condensation is an aldol-type condensation in which an
(a) Outline the Perkin condensation that takes place when benzaldehyde reacts with propanoic anhydride in the presence of potassium propanoate.
(b) How would you use a Perkin condensation to prepare p-chlorocinnamic acid,

Want to see the full answer?
Check out a sample textbook solution
Chapter 19 Solutions
Organic Chemistry
Additional Science Textbook Solutions
Microbiology: An Introduction
Concepts of Genetics (12th Edition)
Chemistry (7th Edition)
Chemistry: An Introduction to General, Organic, and Biological Chemistry (13th Edition)
Principles of Anatomy and Physiology
Microbiology: Principles and Explorations
- Q4: Rank the relative nucleophilicity of halide ions in water solution and DMF solution, respectively. F CI Br | Q5: Determine which of the substrates will and will not react with NaSCH3 in an SN2 reaction to have a reasonable yield of product. NH2 Br Br Br .OH Brarrow_forwardClassify each molecule as optically active or inactive. Determine the configuration at each H соон Chirality center OH 애 He OH H3C Ноос H H COOH A K B.arrow_forwardQ1: Rank the relative nucleophilicity of the following species in ethanol. CH3O¯, CH3OH, CH3COO, CH3COOH, CH3S Q2: Group these solvents into either protic solvents or aprotic solvents. Acetonitrile (CH3CN), H₂O, Acetic acid (CH3COOH), Acetone (CH3COCH3), CH3CH2OH, DMSO (CH3SOCH3), DMF (HCON(CH3)2), CH3OHarrow_forward
- Don't used hand raiting and don't used Ai solutionarrow_forward10. The main product of the following reaction is [1.1:4',1"-terphenyl]-2'-yl(1h-pyrazol-4- yl)methanone Ph N-H Pharrow_forwardDraw the Fischer projection for a D-aldo-pentose. (aldehyde pentose). How many total stereoisomers are there? Name the sugar you drew. Draw the Fischer projection for a L-keto-hexose. (ketone pentose). How many total stereoisomers are there? Draw the enantiomer.arrow_forward
- Draw a structure using wedges and dashes for the following compound: H- Et OH HO- H H- Me OHarrow_forwardWhich of the following molecules are NOT typical carbohydrates? For the molecules that are carbohydrates, label them as an aldose or ketose. HO Он ОН ОН Он ОН но ΤΗ HO ОН HO eve Он он ОН ОН ОН If polyethylene has an average molecular weight of 25,000 g/mol, how many repeat units are present?arrow_forwardDraw the a-anomer cyclized pyranose Haworth projection of the below hexose. Circle the anomeric carbons. Number the carbons on the Fischer and Haworth projections. Assign R and S for each chiral center. HO CHO -H HO -H H- -OH H -OH CH₂OH Draw the ẞ-anomer cyclized furanose Haworth projection for the below hexose. Circle the anomeric carbons. Number the carbons on the Fischer and Haworth projections. HO CHO -H H -OH HO -H H -OH CH₂OHarrow_forward
- Name the below disaccharide. Circle any hemiacetals. Identify the numbering of glycosidic linkage, and identify it as a or ẞ. OH HO HO OH HO HO HO OHarrow_forwardWhat are the monomers used to make the following polymers? F. а. b. с. d. Вецер хочому なarrow_forward1. Propose a reasonable mechanism for the following transformation. I'm looking for curved mechanistic arrows and appropriate formal charges on intermediates. OMe MeO OMe Me2N NMe2 OTBS OH xylenes OMe 'OTBSarrow_forward
- Introduction to General, Organic and BiochemistryChemistryISBN:9781285869759Author:Frederick A. Bettelheim, William H. Brown, Mary K. Campbell, Shawn O. Farrell, Omar TorresPublisher:Cengage LearningOrganic ChemistryChemistryISBN:9781305580350Author:William H. Brown, Brent L. Iverson, Eric Anslyn, Christopher S. FootePublisher:Cengage Learning


