ChemicalBook > Product Catalog >Organic Chemistry >Organic fluorine compound >Fluoropyridine series >3-(Trifluoromethyl)-5,6,7,8-tetrahydro-[1,2,4]triazolo[4,3-a]pyrazine hydrochloride

3-(Trifluoromethyl)-5,6,7,8-tetrahydro-[1,2,4]triazolo[4,3-a]pyrazine hydrochloride

3-(Trifluoromethyl)-5,6,7,8-tetrahydro-[1,2,4]triazolo[4,3-a]pyrazine hydrochloride Structure
CAS No.
762240-92-6
Chemical Name:
3-(Trifluoromethyl)-5,6,7,8-tetrahydro-[1,2,4]triazolo[4,3-a]pyrazine hydrochloride
Synonyms
Sitagliptin hydrochloride;3-(trifluoromethyl)-5,6,7,8-tetrahydro;Sitagliptin Triazole Hydrochloride;3-(TRIFLUOROMETHYL)-5,6,7,8- TETRAHYDRO[1,2,4]TRIAZOLO[4,3-;3-(Trifluoromethyl)-5;Sitagliptin interMediate A;3-trifluoro Methyl-[1,2,4]triazole[4,3-a]piperazine hydrochloride;3-(Trifluoromethyl)-5 6 7 8-tetrahydro-1 2 4triazolo4 3-apyrazine hydroch;5,6,7,8-Tetrahydro-3-(trifluormethyl)-[4,3-a]-1,2,4-triazolopyrazine hydrochloride;5,6,7,8-Tetrahydro-3-(trifluoromethyl)[1,2,4]triazolo[4,3-a]pyrazine hydrochloride 98%
CBNumber:
CB31228965
Molecular Formula:
C6H7F3N4.ClH
Molecular Weight:
228.6
MOL File:
762240-92-6.mol
Modify Date:
2024/5/16 10:38:43

3-(Trifluoromethyl)-5,6,7,8-tetrahydro-[1,2,4]triazolo[4,3-a]pyrazine hydrochloride Properties

Melting point 236-246°C
storage temp. Keep in dark place,Sealed in dry,Room Temperature
solubility DMSO (Slightly), Methanol (Slightly)
form Solid
color White to Off-White
InChI InChI=1S/C6H7F3N4.ClH/c7-6(8,9)5-12-11-4-3-10-1-2-13(4)5;/h10H,1-3H2;1H
InChIKey AQCSCRYRCRORET-UHFFFAOYSA-N
SMILES C12=NN=C(C(F)(F)F)N1CCNC2.[H]Cl
CAS DataBase Reference 762240-92-6(CAS DataBase Reference)

SAFETY

Risk and Safety Statements

Symbol(GHS) 
GHS07
Signal word  Warning
Hazard statements  H315-H319-H335
Precautionary statements  P261-P280a-P304+P340-P305+P351+P338-P405-P501a
Hazard Codes  T
Risk Statements  25
Safety Statements  45
RIDADR  UN2811
HS Code  2933599577
NFPA 704
1
2 0

3-(Trifluoromethyl)-5,6,7,8-tetrahydro-[1,2,4]triazolo[4,3-a]pyrazine hydrochloride price More Price(2)

Manufacturer Product number Product description CAS number Packaging Price Updated Buy
TCI Chemicals (India) T2998 3-(Trifluoromethyl)-5,6,7,8-tetrahydro-[1,2,4]triazolo[4,3-a]pyrazine Hydrochloride 762240-92-6 1G ₹5200 2022-05-26 Buy
TCI Chemicals (India) T2998 3-(Trifluoromethyl)-5,6,7,8-tetrahydro-[1,2,4]triazolo[4,3-a]pyrazine Hydrochloride 762240-92-6 5G ₹16900 2022-05-26 Buy
Product number Packaging Price Buy
T2998 1G ₹5200 Buy
T2998 5G ₹16900 Buy

3-(Trifluoromethyl)-5,6,7,8-tetrahydro-[1,2,4]triazolo[4,3-a]pyrazine hydrochloride Chemical Properties,Uses,Production

Description

3-(Trifluoromethyl)-5,6,7,8-tetrahydro-[1,2,4]triazolo[4,3-a]pyrazine hydrochloride is a pharmaceutical intermediate compound used in the preparation of Sitagliptin phosphate. Sitagliptin is an oral hypoglycaemic agent, a dipeptidyl peptidase-4 inhibitor, which is used in the treatment of type 2 diabetes.

Chemical Properties

White Solid or White to Light yellow powder to crystal

Synthesis

A suspension of N'-[(2Z)-Piperazin-2-ylidene]trifluoroacetohydrazide (27.3 g, 0.13 mol) in 110 mL of methanol was WARMED TO 55 ℃. 37% Hydrochloric acid (11.2 mL, 0.14 mol) was added over 15 min at this temperature. During the addition, all solids dissolved, resulting in a clear solution. The reaction was aged for 30 min. The solution was cooled to 20 ℃ and aged at this temperature until a seed bed formed (10 min to 1 h). 300 ML of MTBE was charged at 20 ℃ over 1 h. The resulting slurry was cooled to 2 ℃, aged for 30 min and filtered. Solids were washed with 50 mL of ethanol: MTBE (1: 3) and dried under vacuum at 45 ℃. Yield of 3-(Trifluoromethyl)-5,6,7,8-tetrahydro-[1,2,4]triazolo[4,3-a]pyrazine hydrochloride was 26.7 g (99.5 area wt% pure by HPLC).

3-(Trifluoromethyl)-5,6,7,8-tetrahydro-[1,2,4]triazolo[4,3-a]pyrazine hydrochloride Preparation Products And Raw materials

Raw materials

Preparation Products

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3-(Trifluoromethyl)-5,6,7,8-tetrahydro-[1,2,4]triazolo[4,3-a]pyrazine hydrochloride Spectrum

1,2,4-Triazolo[4,3-a]pyrazine,5,6,7,8-tetrahydro-3-(trifluoroMethyl)-,hydrochloride(1:1) 3 - (three fluorinated Methyl) - 5,6,7,8 - four hydrogen - triazole 4-trichlorobenzene [1] and [4, 3 - alpha] pyrazine hydrochloride Sitagliptin side chain 3-CF3-5,6,7,8-H4-[1,2,4]triazolo[4,3a]pyrazine HCl Triazolepine hydrochloride 3-(Trifluoromethyl)-5,6,7,8-tetrahydro-[1,2,4]triazolo[4,3-α]pyrazine Hydrochloride 5,6,7,8-Tetrahydro-3-(trifluoromethyl)-1,2,4-triazolo[4,3-α]pyrazine Monohydrochloride 5,6,7,8-Tetrahydro-3-(trifluoromethyl)-1,2,4-triazolo[4,3-a]pyrazine Monohydrochloride 3-(Trifluoromethyl)-5,6,7,8-tetrahydro-[1,2,4]triazolo[4,3-a]pyrazine hydrochlorid 3-(Trifluoromethyl)-5,6,7,8-tetrahydro-[1,2,4]triazolo[4,3-a]pyrazine hydrochloride 3-(trifluoromethyl)-5,6,7,8-retrahydro-[1,2,4]triazolo[4,3-a]pyrazine hydrochloride 3-(Trifluoromethyl)-5,6,7,8-tetrahydro-1,2,4-triazolo-[4,3-a]pyrazine HCl 3-(TrifluoroMethyl)-5,6,7,8-tetrahydro-[1,2,4]triazolo[4,3-a]pyr 5,6,7,8-Tetrahydro-3-(trifluoromethyl)[1,2,4]triazolo[4,3-a]pyrazine hydrochloride 3-(trifluoroMethyl)-5H,6H,7H,8H-[1,2,4]triazolo[4,3-a]pyrazine hydrochloride 5,8-dimethyl-3-(trifluoromethyl)-5,6,7,8-tetrahydro-[1,2,4]triazolo[4,3-a]pyrazine Sitagliptin Intermediate 2 1,2,4-Triazolo[4,3-a]pyrazine, 5,6,7,8-tetrahydro-3-(trifluoroMethyl)-, hydrochloride Sitagliptin Impurity 64 Sitagliptin Intermediates Impurity 3-a]pyrazine hydrochloride Sitagliptin Impurity 20 HCl 3-(trifluoromethyl)-5,6,7,8-r Sitagliptin Triazole Impurity HCl Sitagliptin-16 Sitagliptin Triazole (Impurity C) Sitaglliptin phosphate intermediate 3-(Trifluoromethyl)-5,6,7,8-tetrahydro-[1,2,4]triazolo[4,3-a]pyrazine hydrochloride (Sitagliptin) Sitagliptin triazole impurity hydrochloride 3-(Trifluoromethyl)-5,6,7,8-tetrahydro-[1,2,4]triazolo [4,3-a]pyrazine hydrochloride [TTTP] pyrazine HCl Cas762240-92-6 3-trifluoro Methyl-[1,2,4]triazole[4,3-a]piperazine Hydrochloride Sitagliptin Impurity 20 Hydrochloride Urgent? 3-(Trifluoromethyl)-5,6,7,8-tetrahydro-[1,2,4]triazolo[4,3-a]pyrazine hydrochloride ISO 9001:2015 REACH 3-(trifluoromethyl)-5,6,7, 8-tetrahydro-[1,2,4] triazolio [4,3-a] pyrazine 3-(terifluoromethyl)-7-[(2,4,5-trifluorophenyl]acetyl]-5,6,7,8- tetrahydro[1,2,4]triazole[4,3-a]pyrazine Sitagliptin Triazole HCL 3-trifluoro methyl-[1,2,4]triazole[4,3-a]piperazine hydrochl... 3-(TRIFLUOROMETHYL)-5,6,7,8- TETRAHYDRO[1,2,4]TRIAZOLO[4,3- 3-trifluoro Methyl-[1,2,4]triazole[4,3-a]piperazine hydrochloride Sitagliptin Triazole Hydrochloride 5,6,7,8-Tetrahydro-3-(trifluoromethyl)[1,2,4]triazolo[4,3-a]pyrazine hydrochloride 98% Sitagliptin interMediate A 3-(Trifluoromethyl)-5,6,7,8-tetra-hydro-[1,2,4]-Triazolo-[4,3-a]-pyrazine hydrochloride Salt 5,6,7,8-Tetrahydro-3-(trifluormethyl)-[4,3-a]-1,2,4-triazolopyrazine hydrochloride 3-(Trifluoromethyl)-5 3-(trifluoromethyl)-5,6,7,8-tetrahydro 3-(Trifluoromethyl)-5 6 7 8-tetrahydro-1 2 4triazolo4 3-apyrazine hydroch Sitagliptin hydrochloride 3-(Trifluoromethyl)-5,6,7,8-Tetrahydro-[1,2,4]Triazolo[4,3-A]Pyrazine Hydrochloride / Sitagliptin Intermediate SitagliptinImpurity20-d4 4-(Trifluoromethyl)-5,6,7,8-tetrahydro [1,2,4] Triazolo[4,3-a]pyrazine Hydrochloride 3-(Trifluoromethyl)-5,6,7,8-tetrahydro-[1,2,4]triazolo[4,3-a]pyrazine hydrochloride,[1,2,4]Triazolo[4,3-a]Pyrazine Hydrochloride 762240-92-6 Sitagliptin 3-(Trifluoromethyl)-5,6,7,8-tetrahydro- triazolopyrazine Hydrochloride (Triazole) 3-(TRIFLUOROMETHYL)-5,6,7,8-TETRAHYDRO-[1,2,4]TRIZOLO[4,3-A]PYRAZINE HYDROCHLORIDE 3- (Trifluoromethyl)-5,6,7,8-tetrahydro-[1,2.41 triazolo[4,3-a] pyrazine hydrochloride,TRIAZOLE 3-(trifluoromethyl)-5,6,7, 8-tetrahydro-[1,2,4] triazole and [4,3-a] pyrazine hydrochloride