Tetrahedron letters

Chemoselective O-methylation of phenols under non-aqueous condition

A Basak, MK Nayak, AK Chakraborti

Index: Basak, Anindita; Nayak, Mrinal K.; Chakraborti, Asit K. Tetrahedron Letters, 1998 , vol. 39, # 27 p. 4883 - 4886

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Citation Number: 50

Abstract

Download full text in PDF Opens in a new window. Article suggestions will be shown in a dialog on return to ScienceDirect. ... Please enable JavaScript to use all the features on this page. ... Chemoselective O-methylation of substituted phenols takes place in dry tetrahydrofuran (THF) in the presence of LiOH.H 2 O and dimethylsulfate (DMS). Quantitative methyl transfer from DMS preserves the atom economy. ... Phenols are chemoselectively protected as ...

 Related Synthetic Route
4-Hydroxy-3-Nitroacetophenone Structure

6322-56-1

4-Hydroxy-3-Nit...

Dimethyl sulfate Structure

77-78-1

Dimethyl sulfate

~69%

Ethanone,1-(4-methoxy-3-nitrophenyl)- Structure

6277-38-9

Ethanone,1-(4-m...

Diethyl sulfate Structure

64-67-5

Diethyl sulfate

2-Chlorophenol Structure

95-57-8

2-Chlorophenol

~86%

(2-Chloroethoxy)benzene Structure

614-72-2

(2-Chloroethoxy...

Dimethyl sulfate Structure

77-78-1

Dimethyl sulfate

Methyl salicylate Structure

119-36-8

Methyl salicylate

~71%

Methyl 2-methoxybenzoate Structure

606-45-1

Methyl 2-methox...

2-Cyanophenol Structure

611-20-1

2-Cyanophenol

Dimethyl sulfate Structure

77-78-1

Dimethyl sulfate

~88%

2-Methoxybenzonitrile Structure

6609-56-9

2-Methoxybenzon...

Diethyl sulfate Structure

64-67-5

Diethyl sulfate

4-Nitrophenol Structure

100-02-7

4-Nitrophenol

~85%

1-Ethoxy-4-nitrobenzene Structure

100-29-8

1-Ethoxy-4-nitr...

Diethyl sulfate Structure

64-67-5

Diethyl sulfate

1-Naphthalenol Structure

90-15-3

1-Naphthalenol

~85%

1-Ethoxynaphthalene Structure

5328-01-8

1-Ethoxynaphthalene

Eugenol Structure

97-53-0

Eugenol

Dimethyl sulfate Structure

77-78-1

Dimethyl sulfate

~93%

Methyleugenol Structure

93-15-2

Methyleugenol

2-nitro-4-chlorophenol Structure

89-64-5

2-nitro-4-chlor...

Dimethyl sulfate Structure

77-78-1

Dimethyl sulfate

~78%

p-Chloro-o-nitroanisole Structure

89-21-4

p-Chloro-o-nitr...

Dimethyl sulfate Structure

77-78-1

Dimethyl sulfate

o-Nitrophenol Structure

88-75-5

o-Nitrophenol

~93%

nitroanisole Structure

91-23-6

nitroanisole

Diethyl sulfate Structure

64-67-5

Diethyl sulfate

4-Chlorophenol Structure

106-48-9

4-Chlorophenol

~91%

1-Chloro-4-ethoxybenzene Structure

622-61-7

1-Chloro-4-etho...

Diethyl sulfate Structure

64-67-5

Diethyl sulfate

2-Naphthol Structure

135-19-3

2-Naphthol

~87%

β-Naphthol ethyl ether Structure

93-18-5

β-Naphthol ethy...


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