Alkenes can be converted to alcohols by hydroboration-oxidation. (a) Draw the structure of the alcohol or alcoholsformed in the reaction sequence. Clearly indicate stereochemistry by drawing a wedged bond, a dashed bond and twoO Hintin-plane bonds per each chiral carbon. Draw hydrogen atoms that are connected to wedge-and-dash bonds.(b)Characterize the product or products of the reactions.The first step of the reaction,hydroboration, involves addition ofBH, to the double bond, with -BH,attached to one carbon and hydrogenBe sure to draw hydrogens on oxygen, where applicable.attached to the other. Consider bothRingsthe regioselectivity and theSelectDrawMoreErasestereochemistry of this addition.HDiborane, B,H,, is a source ofborane, BH,, and can be used1. B2H6,interchangeably. Diglyme isa solvent.diglyme2. H2О2, НО",The product or products of the reaction are characterized as beingO S.O racemic.O achiral.O R,S (and/or S,R).O R.O S,S.O R.R.O diastereomers.

Hydroboration–oxidation reaction: The hydroboration–oxidation reaction is a stereospecific two-step…

Alkenes can be converted to alcohols by hydroboration-oxidation. (a) Draw the structure of the alcohol or aleohols formed in the reaction sequence. Clearly indicate stereochemistry by drawing a wedged bond, a dashed bond and two in-plane bonds per cach chiral carbon. Draw hydrogen atoms that are connected to wedge-and-dash bonds.(b) Characterize the product or products of the reactions. Be sure to draw hydrogens on oxygen, where applicable. Select Rings More Draw Erase 1. B2H6, diglyme 2. H2O2, HO-, The product or products of the reaction are characterized as being racemic. achiral. R,S (and/or S,R). R. S,S. R.R. diastereomers.

Alkenes can be converted to alcohols by hydroboration-oxidation. (a) Draw the structure of the alcohol or aleohols formed in the reaction sequence. Clearly indicate stereochemistry by drawing a wedged bond, a dashed bond and two in-plane bonds per cach chiral carbon. Draw hydrogen atoms that are connected to wedge-and-dash bonds.(b) Characterize the product or products of the reactions. Be sure to draw hydrogens on oxygen, where applicable. Select Rings More Draw Erase 1. B2H6, diglyme 2. H2O2, HO-, The product or products of the reaction are characterized as being racemic. achiral. R,S (and/or S,R). R. S,S. R.R. diastereomers.

Chemistry

10th Edition

ISBN:9781305957404

Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Chapter1: Chemical Foundations

Section: Chapter Questions

Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...

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Question

Alkenes can be converted to alcohols by hydroboration-oxidation. (a) Draw the structure of the alcohol or alcohols
formed in the reaction sequence. Clearly indicate stereochemistry by drawing a wedged bond, a dashed bond and two
O Hint
in-plane bonds per each chiral carbon. Draw hydrogen atoms that are connected to wedge-and-dash bonds.(b)
Characterize the product or products of the reactions.
The first step of the reaction,
hydroboration, involves addition of
BH, to the double bond, with -BH,
attached to one carbon and hydrogen
Be sure to draw hydrogens on oxygen, where applicable.
attached to the other. Consider both
Rings
the regioselectivity and the
Select
Draw
More
Erase
stereochemistry of this addition.
H
Diborane, B,H,, is a source of
borane, BH,, and can be used
1. B2H6,
interchangeably. Diglyme is
a solvent.
diglyme
2. H2О2, НО",
The product or products of the reaction are characterized as being
O S.
O racemic.
O achiral.
O R,S (and/or S,R).
O R.
O S,S.
O R.R.
O diastereomers.

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stion 9 of 14 Alkenes can be converted to alcohols by hydroboration-oxidation. (a) Draw the structure of the alcohol or alcohols formed in the reaction sequence. Clearly indicate stereochemistry by drawing a wedged bond, a dashed bond and two in-plane bonds chiral carbon. Draw hydrogen atoms that are connected to wedge-and-dash bonds.(b) Characterize the product or products of per each the reactions. Be sure to draw hydrogens on oxygen, where applicable. Select Draw Rings More Erase / /の|/| 1. B2H6, diglyme (a) 2. H2O2, HO¯, H2O
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Alkenes can be converted to alcohols by hydroboration-oxidation. (a) Draw the structure of the alcohol or alcohols formed in the reaction sequence. Clearly indicate stereochemistry by drawing a wedged bond, a dashed bond and two in-plane bonds per each chiral carbon. Draw hydrogen atoms that are connected to wedge-and-dash bonds.(b) Characterize the product or products of the reactions. Be sure to draw hydrogens on oxygen, where applicable. Select Draw Rings More Erase H 1. B,H§, diglyme (a) 2. H2O2, HO", H2O
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