利格列汀杂质对照品 结构确证

中文名称

英文名称

利格列汀标准品

Linagliptin

利格列汀杂质1

2-((R)-3-aminopiperidine-1-carbonyl)-N-((R)-1-(7-(but-2-yn-1-yl)-3-methyl-1-((4-methylquinazolin-2-yl)methyl)-2,6-dioxo-2,3,6,7-tetrahydro-1H-purin-8-yl)piperidin-3-yl)benzamide

利格列汀杂质2

(R)-7-(but-2-yn-1-yl)-8-(3-(1,3-dioxoisoindolin-2-yl)piperidin-1-yl)-3-methyl-1-((4-methylquinazolin-2-yl)methyl)-1H-purine-2,6(3H,7H)-dione

利格列汀杂质3

N-Phthalimide-linagliptin

利格列汀杂质4

N1,N2-bis((R)-1-(7-(but-2-yn-1-yl)-3-methyl-1-((4-methylquinazolin-2-yl)methyl)-2,6-dioxo-2,3,6,7-tetrahydro-1H-purin-8-yl)piperidin-3-yl)phthalamide

利格列汀杂质5

(R)-2-((1-(7-(but-2-yn-1-yl)-3-methyl-1-((4-methylquinazolin-2-yl)methyl)-2,6-dioxo-2,3,6,7-tetrahydro-1H-purin-8-yl)piperidin-3-yl)carbamoyl)benzoic acid

利格列汀杂质6

8-((R)-3-aminopiperidin-1-yl)-7-((R)-buta-1,2-dien-1-yl)-3-methyl-1-((4-methylquinazolin-2-yl)methyl)-1H-purine-2,6(3H,7H)-dione compound with 8-((R)-3-aminopiperidin-1-yl)-7-((S)-buta-1,2-dien-1-yl)-3-methyl-1-((4-methylquinazolin-2-yl)methyl)-1H-purine-2,6(3H,7H)-dione (1:1)

利格列汀杂质7

Linagliptin Diene Impurity

利格列汀杂质8

Linagliptin Acetamide

利格列汀杂质9

(R)-tert-butyl (1-(1,7-di(but-2-yn-1-yl)-3-methyl-2,6-dioxo-2,3,6,7-tetrahydro-1H-purin-8-yl)piperidin-3-yl)carbamate

利格列汀杂质10

(R)-8-(3-aminopiperidin-1-yl)-1,7-di(but-2-yn-1-yl)-3-methyl-1H-purine-2,6(3H,7H)-dione

利格列汀杂质11

8-bromo-3-methyl-7-((4-methylquinazolin-2-yl)methyl)-1H-purine-2,6(3H,7H)-dione

利格列汀杂质12

(R)-tert-butyl (1-(3-methyl-7-((4-methylquinazolin-2-yl)methyl)-2,6-dioxo-2,3,6,7-tetrahydro-1H-purin-8-yl)piperidin-3-yl)carbamate

利格列汀杂质13

(R)-8-(3-aminopiperidin-1-yl)-3-methyl-7-((4-methylquinazolin-2-yl)methyl)-1H-purine-2,6(3H,7H)-dione

利格列汀杂质14

(R)-7-(but-2-yn-1-yl)-3-methyl-1-((4-methylquinazolin-2-yl)methyl)-8-(piperidin-3-ylamino)-1H-purine-2,6(3H,7H)-dione

利格列汀杂质15

(R)-N-(1-(7-(but-2-yn-1-yl)-3-methyl-1-((4-methylquinazolin-2-yl)methyl)-2,6-dioxo-2,3,6,7-tetrahydro-1H-purin-8-yl)piperidin-3-yl)-2,2,2-trifluoroacetamide

利格列汀杂质16

(S)-8-(3-aminopiperidin-1-yl)-7-(but-2-yn-1-yl)-3-methyl-1-((4-methylquinazolin-2-yl)methyl)-1H-purine-2,6(3H,7H)-dione

利格列汀杂质17

(S)-Linagliptin

利格列汀杂质18

N-(2-acetylphenyl)-2-(8-bromo-7-(but-2-yn-1-yl)-3-methyl-2,6-dioxo-2,3,6,7-tetrahydro-1H-purin-1-yl)acetamide

利格列汀杂质19

(R)-tert-butyl (1-(1-(2-((2-acetylphenyl)amino)-2-oxoethyl)-7-(but-2-yn-1-yl)-3-methyl-2,6-dioxo-2,3,6,7-tetrahydro-1H-purin-8-yl)piperidin-3-yl)carbamate

利格列汀杂质20

(R)-N-(2-acetylphenyl)-2-(8-(3-aminopiperidin-1-yl)-7-(but-2-yn-1-yl)-3-methyl-2,6-dioxo-2,3,6,7-tetrahydro-1H-purin-1-yl)acetamide

利格列汀杂质21

(R)-tert-butyl (1-(7-(but-2-yn-1-yl)-3-methyl-2,6-dioxo-2,3,6,7-tetrahydro-1H-purin-8-yl)piperidin-3-yl)carbamate

利格列汀杂质22

(R)-8-(3-aminopiperidin-1-yl)-7-(but-2-yn-1-yl)-3-methyl-1H-purine-2,6(3H,7H)-dione

利格列汀杂质23

(S)-tert-butyl (1-(7-(but-2-yn-1-yl)-3-methyl-1-((4-methylquinazolin-2-yl)methyl)-2,6-dioxo-2,3,6,7-tetrahydro-1H-purin-8-yl)piperidin-3-yl)carbamate

利格列汀杂质24

(R)-7-(but-2-yn-1-yl)-8-(3-((7-(but-2-yn-1-yl)-3-methyl-1-((4-methylquinazolin-2-yl)methyl)-2,6-dioxo-2,3,6,7-tetrahydro-1H-purin-8-yl)amino)piperidin-1-yl)-3-methyl-1-((4-methylquinazolin-2-yl)methyl)-1H-purine-2,6(3H,7H)-dione

利格列汀杂质25

(R)-N-(1-(7-(but-2-yn-1-yl)-3-methyl-1-((4-methylquinazolin-2-yl)methyl)-2,6-dioxo-2,3,6,7-tetrahydro-1H-purin-8-yl)piperidin-3-yl)formamide