Chapter 14

Question 1

___ – a compound with two alkyl groups bonded

to an oxygen atom (ROR).

Answer 1

Ether

Question 2

Ether

Answer 2

___ – a compound with two alkyl groups bonded

to an oxygen atom (ROR).

Question 3

Boiling points of Ether’s are ____ because they can/cannot form ________ bonds

Answer 3

low
cannot
hydrogen bonds

Question 4

Ethers are polar/non polar and can/cannot dissolve nonpolar compounds.

Answer 4

polar
can
(I know seems weird but it’s useful)

Question 5

Ether’s complex well with _______ due to the _______ on ______

Answer 5

electrophiles

electrons on oxygen

Question 6

______ ______: are cyclic chemical compounds that consist of a ring containing several ether groups.

Answer 6

Crown ethers

Question 7

Crown ethers

Answer 7

______ ______: are cyclic chemical compounds that consist of a ring containing several ether groups.

Question 8

Sulfide

Answer 8

A compound with two alkyl groups bonded to a sulfur atom R-S-R

Question 9

Sulfides are more/less reactive than Ethers

Answer 9

more

Question 10

____ is a mild reducing agents

Answer 10

Sulfide

Question 11

SN2 causes an

Answer 11

inversion of stereo chemistry

Question 12

Pr stands for

Answer 12

propyl group

Question 13

Et stands for

Answer 13

ethyl group

Question 14

Bu stands for

Answer 14

Butyl group

Question 15

iPr stands for

Answer 15

isopropyl group

Question 16

Alcohol protecting reagents

Answer 16

TIPSCL/Et3N

Question 17

TIPSCl is a ____ bonded to three IPr’s and a Cl

Answer 17

Silicon

Question 18

Grignard reagents

Answer 18

PhMgBr alone

then treat product with Bu4N+F-/H2O

Question 19

The point of the Grignard+ shielding groups is to

Answer 19

get alcohol onto a ketone while protecting other alcohols on the molecule.

Question 20

TIPSCl/Et3N turns an -OH into a _____ ____ which _____ it from the Grignard

Answer 20

TIPS Ether

shields

Question 21

Epoxides are basically an ether that is

Answer 21

attached to itself in a triangle.

Question 22

Peroxyacid epoxidation =

Answer 22

MCPBA

Question 23

MCPBA=

Answer 23

Peroxyacid epoxidation

Question 24

MCPBA functions the same way _____ does

Answer 24

MMPP (Mg monoperoxyphthalate)

Question 25

MCPBA involves a lot of _____ while MMPP uses ____ ____ solvents

Answer 25

solvent environmentally benign

Question 26

MCPBA and MMPP do the same thing, which is

Answer 26

help form an epoxide from a double bond

Question 27

Halohydrins example

Answer 27

C-C=C-C

Question 28

Halohydrins are usually used for

Answer 28

forming epoxides