Product Name:8-Bromo-7-(but-2-ynyl)-3-methyl-1H-purine-2,6(3H,7H)-dione

CAS No.: 666816-98-4

Appearance:  White powder

Assay:≥99%

 

Linagliptin intermediates

1) 8-Bromo-3-methyl-3,7-dihydropurine-2,6-dione

CAS No.:93703-24-3

2) 8-Bromo-7-(but-2-ynyl)-3-methyl-1H-purine-2,6(3H,7H)-dione

CAS No.:666816-98-4

3) 2-(Chloromethyl)-4-methylquinazoline

CAS No.:109113-72-6

4) (R)-3-(Boc-Amino)piperidine

CAS No.:309956-78-3

5) (R)-3-Aminopiperidine dihydrochloride

CAS No.:334618-23-4

6)8-Bromo-7-but-2-ynyl-3-methyl-1-(4-methyl-quinazolin-2-ylmethyl)-3,7-dihydro-purine-2,6-dione

CAS No.:853029-57-9

7)Linagliptin           

CAS No.:668270-12-0