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18162-48-6872-50-4Methylene ChloridenaphthaleneTHFTitanium Dioxide
ChemicalBook CAS DataBase List 4-[[6-[2-[(2-QUINOXALINYLCARBONYL)AMINO]PHENYL]IMIDAZO [2,1-B]THIAZOL-3-YL]METHYL]-1-PIPERAZINECARBOXYLIC ACID 1,1-DIMETHYLETHYL ESTER

4-[[6-[2-[(2-QUINOXALINYLCARBONYL)AMINO]PHENYL]IMIDAZO [2,1-B]THIAZOL-3-YL]METHYL]-1-PIPERAZINECARBOXYLIC ACID 1,1-DIMETHYLETHYL ESTER synthesis

6synthesis methods
2-QUINOXALINECARBONYL CHLORIDE

54745-92-5
77 suppliers
$65.00/100mg

tert-butyl 4-((6-(2-aMinophenyl)iMidazo[2,1-b]thiazol-3-yl)Methyl)piperazine-1-carboxylate

925437-87-2
8 suppliers
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4-[[6-[2-[(2-QUINOXALINYLCARBONYL)AMINO]PHENYL]IMIDAZO [2,1-B]THIAZOL-3-YL]METHYL]-1-PIPERAZINECARBOXYLIC ACID 1,1-DIMETHYLETHYL ESTER

925436-46-0
15 suppliers
$503.22/5MG

-

Yield:-

Reaction Conditions:

with pyridine at 160; for 0.166667 h;Microwave irradiation;

Steps:

2

4-[6-(2-Amino-phenyl)-imidazo[2,1 -b]thiazol-3-ylmethyl]-piperazine-1-carboxylic acid tert-butyl ester (0.25 mmol) was taken up in 1 mL of pyridine along with 1 eq (50 mg) of 2-quinoxaloyl chloride. The reaction mixture was heated in a Biotage microwave reactor (160°×10 min). It was then cooled to room temperature and concentrated. The resulting crude product was purified by chromatography (Isco, gradient elution, CH2Cl2 to 95% CH2Cl2, 4% MeOH and 1% Et3N).

References:

US2008/249103,2008,A1 Location in patent:Page/Page column 35

3-HYDROXYMETHYL-6-(2-NITROPHENYL)IMIDAZO[2,1-B]THIAZOLE

925437-85-0
53 suppliers
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4-[[6-[2-[(2-QUINOXALINYLCARBONYL)AMINO]PHENYL]IMIDAZO [2,1-B]THIAZOL-3-YL]METHYL]-1-PIPERAZINECARBOXYLIC ACID 1,1-DIMETHYLETHYL ESTER

925436-46-0
15 suppliers
$503.22/5MG

References
6-(2-NITRO-PHENYL)-IMIDAZO[2,1-B]THIAZOLE-3-CARBOXYLIC ACID ETHYL ESTER

925437-84-9
39 suppliers
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4-[[6-[2-[(2-QUINOXALINYLCARBONYL)AMINO]PHENYL]IMIDAZO [2,1-B]THIAZOL-3-YL]METHYL]-1-PIPERAZINECARBOXYLIC ACID 1,1-DIMETHYLETHYL ESTER

925436-46-0
15 suppliers
$503.22/5MG

References
6-(2-NITROPHENYL)IMIDAZO[2,1-B]THIAZOLE-3-CARBOXYLIC ACID

912770-13-9
5 suppliers
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4-[[6-[2-[(2-QUINOXALINYLCARBONYL)AMINO]PHENYL]IMIDAZO [2,1-B]THIAZOL-3-YL]METHYL]-1-PIPERAZINECARBOXYLIC ACID 1,1-DIMETHYLETHYL ESTER

925436-46-0
15 suppliers
$503.22/5MG

References
(6-(2-nitrophenyl)iMidazo[2,1-b]thiazol-3-yl)Methyl Methanesulfonate

1093403-37-2
1 suppliers
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4-[[6-[2-[(2-QUINOXALINYLCARBONYL)AMINO]PHENYL]IMIDAZO [2,1-B]THIAZOL-3-YL]METHYL]-1-PIPERAZINECARBOXYLIC ACID 1,1-DIMETHYLETHYL ESTER

925436-46-0
15 suppliers
$503.22/5MG

References