Preparation of 2??aryl and 2??aryloxymethyl imidazo [1, 2??a] pyridines and related compounds

…, A Biswas, V Srinivasan, F King, P Waid

Index: Sundberg; Dahlhausen; Manikumar; Mavunkel; Biswas; Srinivasan; King Jr.; Waid Journal of Heterocyclic Chemistry, 1988 , vol. 25, # 1 p. 129 - 137

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Citation Number: 41

Abstract

Abstract A series of substituted 2-aryl imidazo [1, 2-a] pyridines has been prepared in which a variety of substituents are introduced on the 4′-position of the phenyl ring and on the 3, 5, 6 or 7 position of the heterocyclic ring. Most examples have acetamido, bromo, cyano, or formyl substituents at the 4′-position. Analogous imidazo-[2, 1-b] fhiazoles and imidazo [1, 2-a] pyrimidines have also been prepared. Another series of compounds consisting of 4′ ...

 Related Synthetic Route
2-(4-Bromophenyl)imidazo[1,2-a]pyridine Structure

34658-66-7

2-(4-Bromopheny...

Copper cyanide Structure

544-92-3

Copper cyanide

~55%

4-Imidazo[1,2-a]pyridin-2-yl-benzonitrile Structure

55843-91-9

4-Imidazo[1,2-a...

2,4′-dibromoacetophenone Structure

99-73-0

2,4′-dibromoace...

~%

4-Imidazo[1,2-a]pyridin-2-yl-benzonitrile Structure

55843-91-9

4-Imidazo[1,2-a...

7-methyl-2-(4-nitrophenyl)imidazo[1,2-a]pyridine Structure

961-82-0

7-methyl-2-(4-n...

~%

4-(7-MethyliMidazo[1,2-a]pyridin-2-yl)aniline Structure

64730-34-3

4-(7-MethyliMid...

Aminopicoline Structure

695-34-1

Aminopicoline

~%

4-(7-MethyliMidazo[1,2-a]pyridin-2-yl)aniline Structure

64730-34-3

4-(7-MethyliMid...

p-nitrophenacyl bromide Structure

99-81-0

p-nitrophenacyl...

~%

4-(7-MethyliMidazo[1,2-a]pyridin-2-yl)aniline Structure

64730-34-3

4-(7-MethyliMid...

4-Chloromethyl-thiazole Structure

3364-76-9

4-Chloromethyl-...

4-hydroxybenzaldehyde Structure

123-08-0

4-hydroxybenzal...

~%

4-(THIAZOL-4-YLMETHOXY)BENZALDEHYDE Structure

118001-74-4

4-(THIAZOL-4-YL...

2-Bromo-4'-iodoacetophenone Structure

31827-94-8

2-Bromo-4'-iodo...

~%

4-IMIDAZO[1,2-A]PYRIMIDIN-2-YL-BENZONITRILE Structure

104691-51-2

4-IMIDAZO[1,2-A...

2-Amino-5-methylpyridine Structure

1603-41-4

2-Amino-5-methy...

p-nitrophenacyl bromide Structure

99-81-0

p-nitrophenacyl...

~%

6-methyl-2-(4-nitrophenyl)imidazo[1,2-a]pyridine Structure

842-73-9

6-methyl-2-(4-n...

2-Aminopyridine Structure

504-29-0

2-Aminopyridine

~%

4-(imidazo[1,2-a]pyridin-2-ylmethoxy)benzaldehyde Structure

118001-76-6

4-(imidazo[1,2-...

4-hydroxybenzaldehyde Structure

123-08-0

4-hydroxybenzal...

2-(Chloromethyl)imidazo[1,2-a]pyridine Structure

57892-76-9

2-(Chloromethyl...

~%

4-(imidazo[1,2-a]pyridin-2-ylmethoxy)benzaldehyde Structure

118001-76-6

4-(imidazo[1,2-...

2-Picolyl chloride Structure

4377-33-7

2-Picolyl chloride

4-hydroxybenzaldehyde Structure

123-08-0

4-hydroxybenzal...

~%

4-(2-PYRIDINYLMETHOXY)BENZALDEHYDE Structure

57748-41-1

4-(2-PYRIDINYLM...

4-Imidazo[1,2-a]pyridin-2-yl-benzonitrile Structure

55843-91-9

4-Imidazo[1,2-a...

~86%

4-imidazo[1,2-a]pyridin-2-ylbenzaldehyde Structure

118000-48-9

4-imidazo[1,2-a...

2-Aminopyridine Structure

504-29-0

2-Aminopyridine

~%

4-imidazo[1,2-a]pyridin-2-ylbenzaldehyde Structure

118000-48-9

4-imidazo[1,2-a...

2-(4-Bromophenyl)imidazo[1,2-a]pyridine Structure

34658-66-7

2-(4-Bromopheny...

~%

4-imidazo[1,2-a]pyridin-2-ylbenzaldehyde Structure

118000-48-9

4-imidazo[1,2-a...

2,4′-dibromoacetophenone Structure

99-73-0

2,4′-dibromoace...

~%

4-imidazo[1,2-a]pyridin-2-ylbenzaldehyde Structure

118000-48-9

4-imidazo[1,2-a...

2-Aminopyridine Structure

504-29-0

2-Aminopyridine

2-Bromo-4'-isopropylacetophenone Structure

51012-62-5

2-Bromo-4'-isop...

~%

2-(4-propan-2-ylphenyl)imidazo[1,2-a]pyridine Structure

118000-47-8

2-(4-propan-2-y...

Copper cyanide Structure

544-92-3

Copper cyanide

6-(4-iodophenyl)imidazo[2,1-b][1,3]thiazole Structure

118001-66-4

6-(4-iodophenyl...

~79%

4-IMIDAZO[2,1-B]THIAZOL-6-YL-BENZONITRILE Structure

118001-67-5

4-IMIDAZO[2,1-B...

2-Bromo-4'-iodoacetophenone Structure

31827-94-8

2-Bromo-4'-iodo...

~%

4-IMIDAZO[2,1-B]THIAZOL-6-YL-BENZONITRILE Structure

118001-67-5

4-IMIDAZO[2,1-B...

2-(4-bromophenyl)-6-nitroimidazo[1,2-a]pyridine Structure

118000-56-9

2-(4-bromopheny...

~%

2-(4-BROMOPHENYL)IMIDAZO[1,2-A]PYRIDIN-6-YLAMINE Structure

885950-52-7

2-(4-BROMOPHENY...

5-Nitro-2-pyridinamine Structure

4214-76-0

5-Nitro-2-pyrid...

~%

2-(4-BROMOPHENYL)IMIDAZO[1,2-A]PYRIDIN-6-YLAMINE Structure

885950-52-7

2-(4-BROMOPHENY...

2,4′-dibromoacetophenone Structure

99-73-0

2,4′-dibromoace...

~%

2-(4-BROMOPHENYL)IMIDAZO[1,2-A]PYRIDIN-6-YLAMINE Structure

885950-52-7

2-(4-BROMOPHENY...

3-(Chloromethyl)pyridine Structure

3099-31-8

3-(Chloromethyl...

4-hydroxybenzaldehyde Structure

123-08-0

4-hydroxybenzal...

~%

4-(Pyridin-3-ylmethoxy)benzaldehyde Structure

118001-72-2

4-(Pyridin-3-yl...


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