New Developments

Sitagliptin ; Dapagliflozin ; Empagliflozin Intermediates 
1) Meldrum's Acid  CAS#2033-24-1 

2) 5,6,7,8-Tetrahydro-3-(trifluoromethyl)-1,2,4-triazolo[4,3-a]pyrazine Monohydrochloride CAS#762240-92-6 

3) 1,3-Butanedione, 1-[5,6-dihydro-3-(trifluoromethyl)-1,2,4-triazolo[4,3-a]pyrazin-7(8H)-yl]-4-(2,4,5-trifluorophenyl) CAS#764667-65-4

4) 1-Butanone, 3-amino-1-[5,6-dihydro-3-(trifluoromethyl)-1,2,4-triazolo[4,3-a]pyrazin-7(8H)-yl]-4-(2,4,5-trifluorophenyl)- CAS#823817-56-7 

5) N-Boc-Sitagliptin // N-[(1R)-3-[5,6-Dihydro-3-(trifluoromethyl)-1,2,4-triazolo[4,3-a]pyrazin-7(8H)-yl]-3-oxo-1-[(2,4,5-trifluorophenyl)methyl]propyl]carbamic Acid 1,1-Dimethylethyl Ester; CAS#486460-23-5 

6) Methyl 3-Oxo-4-(2,4,5-trifluorophenyl)butanoate CAS#769195-26-8 

7) Methyl 3-amino-4-(2,4,5-trifluorophenyl)butanoate CAS#1253055-92-3

Dapagliflozin  Intermediates 
1) Phenetole 103-73-1 


2) 5 Chloro 2- bromo benzoic acid    CAS# 21739-92-4 


3) 5-Bromo-2-chlorophenyl)(4-ethoxyphenyl) methanone CAS# 461432-22-4 


4) 4-bromo-1-chloro-2-(4-ethoxybenzyl) benzene CAS#461432-23-5 


5) 5-Bromo-2-Chloro-4-Ethoxydiphenylmethane 461432-23-5     

Empagliflozin Intermediates 1) 5 Chloro 2- bromo benzoic acid CAS#21739-92-4  
2) (5-Bromo-2-chlorophenyl)(4-fluorophenyl)methanone CAS#915095-85-1

Sitagliptin ; Dapagliflozin ; Empagliflozin Intermediates 
1) Meldrum's Acid  CAS#2033-24-1 

2) 5,6,7,8-Tetrahydro-3-(trifluoromethyl)-1,2,4-triazolo[4,3-a]pyrazine Monohydrochloride CAS#762240-92-6 

3) 1,3-Butanedione, 1-[5,6-dihydro-3-(trifluoromethyl)-1,2,4-triazolo[4,3-a]pyrazin-7(8H)-yl]-4-(2,4,5-trifluorophenyl) CAS#764667-65-4

4) 1-Butanone, 3-amino-1-[5,6-dihydro-3-(trifluoromethyl)-1,2,4-triazolo[4,3-a]pyrazin-7(8H)-yl]-4-(2,4,5-trifluorophenyl)- CAS#823817-56-7 

5) N-Boc-Sitagliptin // N-[(1R)-3-[5,6-Dihydro-3-(trifluoromethyl)-1,2,4-triazolo[4,3-a]pyrazin-7(8H)-yl]-3-oxo-1-[(2,4,5-trifluorophenyl)methyl]propyl]carbamic Acid 1,1-Dimethylethyl Ester; CAS#486460-23-5 

6) Methyl 3-Oxo-4-(2,4,5-trifluorophenyl)butanoate CAS#769195-26-8 

7) Methyl 3-amino-4-(2,4,5-trifluorophenyl)butanoate CAS#1253055-92-3

Dapagliflozin  Intermediates 
1) Phenetole 103-73-1 

2) 5 Chloro 2- bromo benzoic acid    CAS# 21739-92-4 

3) 5-Bromo-2-chlorophenyl)(4-ethoxyphenyl) methanone CAS# 461432-22-4 

4) 4-bromo-1-chloro-2-(4-ethoxybenzyl) benzene CAS#461432-23-5 

5) 5-Bromo-2-Chloro-4-Ethoxydiphenylmethane 461432-23-5     

Empagliflozin Intermediates 1) 5 Chloro 2- bromo benzoic acid CAS#21739-92-4  2) (5-Bromo-2-chlorophenyl)(4-fluorophenyl)methanone CAS#915095-85-1