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When certain aromatic compounds are treated with formaldehyde (CH2O), and HCl, theCH2Cl

Organic Chemistry | 7th Edition | ISBN: 9781133952848 | Authors: William H. Brown, Brent L. Iverson, Eric Anslyn, Christopher S. Foote ISBN: 9781133952848 483

Solution for problem 22.48 Chapter 22

Organic Chemistry | 7th Edition

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Organic Chemistry | 7th Edition | ISBN: 9781133952848 | Authors: William H. Brown, Brent L. Iverson, Eric Anslyn, Christopher S. Foote

Organic Chemistry | 7th Edition

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Problem 22.48

When certain aromatic compounds are treated with formaldehyde (CH2O), and HCl, theCH2Cl group is introduced onto the ring. This reaction is known as chloromethylation. Propose a mechanism for this example of chloromethylation.(b) The product of this chloromethylation can be converted to piperonal, which is usedin perfumery and in artificial cherry and vanilla flavors. How might the CH2Clgroup of the chloromethylation product be converted to a CHO group?

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Chem 105 Notes Week 2/19-2/23 Chapter 4 • Discovery/Key People o Henri Becquerel: discovered natural radioactivity using uranium salts in 1896—nucleus of an unstable isotope spontaneously decomposing o Marie Curie: won a nobel prize for discovering and studying radioactive elements radium and polonium o Earnest Rutherford: discovered that alpha rays are easily blocked (ex: can be blocked by a piece of paper), while beta rays are more difficult to block (ex: beta rays stopped by at least .5 cm of lead) o Paul Villard: discovered gamma rays • Definitions o Radioactivity: the natural change of an isotope of one element into the isotope of another eleme

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Chapter 22, Problem 22.48 is Solved
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Textbook: Organic Chemistry
Edition: 7
Author: William H. Brown, Brent L. Iverson, Eric Anslyn, Christopher S. Foote
ISBN: 9781133952848

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When certain aromatic compounds are treated with formaldehyde (CH2O), and HCl, theCH2Cl