Organic Reaction Mechanisms 1997

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Organic Reaction Mechanisms, 1997 An Annual Survey Covering the Literature Dated December 1996 to November 1997 Edited by A.C. Knipe and W.E. Watts Copyright © 2001 John Wiley & Sons, Ltd

ISBNs: 0-471-89935-6 (Hardback); 0-470-84580-5 (Electronic)

M

J J

		J
		K

O
R	NMe2 ∆					O
								NMe2
					R
Me2N						.
	R
O
(1)						(2)

M

M

M

K

M

M

M

H

N.. Ph

ArP . PAr

(3)

(4)

J

	$ M

J J

J

J

#

J

K

J

K

N

O.

hν

N

OH + R.

N

OR

RH

(5)

(6)

SCHEME 1

				F				F
				.
	+		O–		O
	N								N		F
			Ph	N		N		F	S
				But		O.			O2
(7)				(8)		(9)		(10)

J

J

K

K

K

K

K K

M

M

J

J

M

J

R1

R2

R1 R2

[O]

N

[H]

+

N

O.

O

(12)

(11)

SCHEME 2

.O

O O

O

O

+

.

O

(14)

(13)

(15)

SCHEME 3

M

J

M M

O			O				O
					N				N
N N		N					N
					R				OH
n
					N				N
	O		N			O	N
S									.
R
(16)		(17) R = H							(19)
		(18) R = OH

J

M J

"

R2 R2

R2 R2

R1

R3

NOH

–

Ph

+ .

DCA

N

DCA.

Ph

R1

O

(21)

R3

H

(22)

R2 R2

R2 R2

R2 R2

R1

R1

R1

Ph

N

DCA DCAH. Ph .

N

DCAH.

DCA.

Ph .

+

N

O

O

–

O

R3

R3

R3

H

(20)

SCHEME 4

#

#

M

M

"

K

M

					#
			#