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ChemicalBook CAS DataBase List 1,7,8-triazabicyclo[4.3.0]nona-2,4,6,8-tetraene
274-80-6

1,7,8-triazabicyclo[4.3.0]nona-2,4,6,8-tetraene synthesis

6synthesis methods
-

Yield: 83.3%

Reaction Conditions:

at 120 - 140; for 19 h;

Steps:

2.2 Preparation of [1,2,4]triazolo[4,3-a]pyridine
Dissolve 2-hydrazinopyridine (2.6g, 23.8mmol) in triethyl orthoformate (25mL),Heated to 140 , the reaction for 3 hours, down to 120 , the reaction for 16 hours,Spin the solvent to dry, column chromatography (dichloromethane: methanol: NH3.H2O = 50: 1: 0.5),Compound 2.5g was obtained, yield: 83.3%.

References:

Shandong Xuanzhu Pharmaceutical Technology Co., Ltd.;Wang Tingzhong;Liu Bin CN111170995, 2020, A Location in patent:Paragraph 0155; 0160-0162

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