Pyridine → HCID 68425633, compound

HRID 2200975Notes

Reaction equation

[NH2:1][C:2]1[N:31]=[C:5]2[N:6]([C:21]3[CH:26]=[CH:25][CH:24]=[C:23]([C:27]([F:30])([F:29])[F:28])[CH:22]=3)[C:7]([CH3:20])=[C:8]([C:18]#[N:19])[C@@H:9]([C:10]3[CH:15]=[CH:14][C:13]([C:16]#[N:17])=[CH:12][CH:11]=3)[N:4]2[N:3]=1.N1C=CC=CC=1.Cl[C:39]([O:41][CH:42]([CH3:44])[CH3:43])=[O:40]>C1COCC1>[C:18]([C:8]1[C@@H:9]([C:10]2[CH:15]=[CH:14][C:13]([C:16]#[N:17])=[CH:12][CH:11]=2)[N:4]2[N:3]=[C:2]([NH:1][C:39](=[O:40])[O:41][CH:42]([CH3:44])[CH3:43])[N:31]=[C:5]2[N:6]([C:21]2[CH:26]=[CH:25][CH:24]=[C:23]([C:27]([F:28])([F:30])[F:29])[CH:22]=2)[C:7]=1[CH3:20])#[N:19]

Participants

Conditions

Temperature: 80 °C

Procedure

Under an atmosphere of argon protective gas, (7R)-2-amino-7-(4-cyanophenyl)-5-methyl-4-[3-(trifluoromethyl)phenyl]-4,7-dihydro[1,2,4]triazolo[1,5-a]pyrimidine-6-carbonitrile (25 mg, 59 μmol) was dissolved in a mixture of abs. THF (2.5 ml) and abs. pyridine (48 μl, 593 μmol, 10 eq.). At room temperature, isopropyl chloroformate (36 mg, 297 μmol, 5 eq.) was added and the mixture was heated at 80° C. for 12 h. Once HPLC analysis showed substantial conversion, the reaction mixture was concentrated under reduced pressure and purified by preparative HPLC (Reprosil C18 column, 30×250 mm; mobile phase: acetonitrile-water-0.1% TFA). After lyophilization, the product was obtained as a solid (23.2 mg, 77% of theory).

Workup

concentrationthe reaction mixture was concentrated under reduced pressure
custompurified by preparative HPLC (Reprosil C18 column, 30×250 mm; mobile phase: acetonitrile-water-0.1% TFA)
customAfter lyophilization, the product was obtained as a solid (23.2 mg, 77% of theory)

Sources & evidence

ORD record: ord-7b340ee03ecf41df9f30f53b4fc30130
Source dataset: uspto-grants-2016_06
DOI: 10.6084/m9.figshare.5104873.v1
Patent number: US09359362B2

Reaction notes

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