Organic Chemistry, Binder Ready Version
Organic Chemistry, Binder Ready Version
2nd Edition
ISBN: 9781118454312
Author: David R. Klein
Publisher: WILEY
Question
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Chapter 10.5, Problem 9CC

(a)

Interpretation Introduction

Interpretation:

To predict the major products for the given alkyne reaction and transformations should be identified.

Concept Introduction:

Hydrogenation:  The hydrogenation is a reduction reaction which results in an addition of hydrogen. Several organic compounds (alkenes, alkynes) is hydrogenated, it becomes more saturated.

Hydrogen reduction reaction: The alkenes or alkynes can be reduced to alkanes with H2 in the presence of metal catalyst (Pd, Pt, Ni) . The new C-H σ bonds are formed simultaneously from H atoms absorbed into the metal surface.

Platinum reduction reaction: The alkenes can be reduced to alkanes with H2 in the presence of metal catalyst (Pt) . The two new C-H σ bonds are formed simultaneously from H atoms absorbed into the metal surface. This type of reaction stereospecific giving only the cis (syn) addition product.

(b)

Interpretation Introduction

Interpretation:

To predict the major products for the given alkyne reaction and transformations should be identified.

Concept Introduction:

Hydrogenation:  The hydrogenation is a reduction reaction which results in an addition of hydrogen. Several organic compounds (alkenes, alkynes) is hydrogenated, it becomes more saturated.

Hydrogen reduction reaction: The alkenes or alkynes can be reduced to alkanes with H2 in the presence of metal catalyst (Pd, Pt, Ni) . The new C-H σ bonds are formed simultaneously from H atoms absorbed into the metal surface.

Platinum reduction reaction: The alkenes can be reduced to alkanes with H2 in the presence of metal catalyst (Pt) . The two new C-H σ bonds are formed simultaneously from H atoms absorbed into the metal surface. This type of reaction stereospecific giving only the cis (syn) addition product.

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Organic Chemistry, Binder Ready Version

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