tert-butyl 2-(5-(2,3-difluoro-4-(1H-pyrazol-4-yl)phenyl)-1,3,4-thiadiazol-2-yl)-2,7-diazaspiro[3.5]nonane-7-carboxylate

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Chemical Name:tert-butyl 2-(5-(2,3-difluoro-4-(1H-pyrazol-4-yl)phenyl)-1,3,4-thiadiazol-2-yl)-2,7-diazaspiro[3.5]nonane-7-carboxylate
CAS No.:1620516-12-2
Molecular Formula:C₂₃H₂₆F₂N₆O₂S
Molecular Weight:488.561
Hs Code.:

Synonyms:tert-butyl 2-(5-(2,3-difluoro-4-(1H-pyrazol-4-yl)phenyl)-1,3,4-thiadiazol-2-yl)-2,7-diazaspiro[3.5]nonane-7-carboxylate

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Chemical Property of tert-butyl 2-(5-(2,3-difluoro-4-(1H-pyrazol-4-yl)phenyl)-1,3,4-thiadiazol-2-yl)-2,7-diazaspiro[3.5]nonane-7-carboxylate

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Technology Process of tert-butyl 2-(5-(2,3-difluoro-4-(1H-pyrazol-4-yl)phenyl)-1,3,4-thiadiazol-2-yl)-2,7-diazaspiro[3.5]nonane-7-carboxylate

There total 5 articles about tert-butyl 2-(5-(2,3-difluoro-4-(1H-pyrazol-4-yl)phenyl)-1,3,4-thiadiazol-2-yl)-2,7-diazaspiro[3.5]nonane-7-carboxylate which guide to synthetic route it. The literature collected by LookChem mainly comes from the sharing of users and the free literature resources found by Internet computing technology. We keep the original model of the professional version of literature to make it easier and faster for users to retrieve and use. At the same time, we analyze and calculate the most feasible synthesis route with the highest yield for your reference as below:

synthetic route:

Reference yield: 19.0%

: 269410-08-4
pyrazole-4-boronic acid pinacol ester

: 1620516-11-1
tert-butyl 2-(5-(2,3-difluoro-4-(((trifluoromethyl)sulfonyl)oxy)phenyl)-1,3,4-thiadiazol-2-yl)-2,7-diazaspiro[3.5]nonane-7-carboxylate

: 1620516-12-2
tert-butyl 2-(5-(2,3-difluoro-4-(1H-pyrazol-4-yl)phenyl)-1,3,4-thiadiazol-2-yl)-2,7-diazaspiro[3.5]nonane-7-carboxylate

Guidance literature:: With tetrakis(triphenylphosphine) palladium⁽⁰⁾; sodium carbonate; In 1,4-dioxane; water; at 120 ℃; for 1h; Sealed tube; Microwave irradiation;

Reference yield:

: 896464-16-7
2,7-diaza-spiro[3.5]nonane-7-carboxylic acid tert-butyl ester

: 1620516-12-2
tert-butyl 2-(5-(2,3-difluoro-4-(1H-pyrazol-4-yl)phenyl)-1,3,4-thiadiazol-2-yl)-2,7-diazaspiro[3.5]nonane-7-carboxylate

Guidance literature:: Multi-step reaction with 5 steps

1: N-ethyl-N,N-diisopropylamine / 1,4-dioxane / 1 h / 120 °C

2: tetrakis(triphenylphosphine) palladium⁽⁰⁾; sodium carbonate / water; 1,4-dioxane / 1 h / 100 °C / Inert atmosphere; Sealed tube; Microwave irradiation

3: palladium 10% on activated carbon; hydrogen / methanol; ethyl acetate / 216 h / 2585.81 Torr / Inert atmosphere

4: triethylamine / dichloromethane / 21 h / 20 °C / Inert atmosphere; Cooling with ice

5: tetrakis(triphenylphosphine) palladium⁽⁰⁾; sodium carbonate / water; 1,4-dioxane / 1 h / 120 °C / Sealed tube; Microwave irradiation

With tetrakis(triphenylphosphine) palladium⁽⁰⁾; palladium 10% on activated carbon; hydrogen; sodium carbonate; triethylamine; N-ethyl-N,N-diisopropylamine; In 1,4-dioxane; methanol; dichloromethane; water; ethyl acetate;

Reference yield:

: 1620516-09-7
tert-butyl 2-(5-(4-(benzyloxy)-2,3-difluorophenyl)-1,3,4-thiadiazol-2-yl)-2,7-diazaspiro[3.5]nonane-7-carboxylate

: 1620516-12-2
tert-butyl 2-(5-(2,3-difluoro-4-(1H-pyrazol-4-yl)phenyl)-1,3,4-thiadiazol-2-yl)-2,7-diazaspiro[3.5]nonane-7-carboxylate

Guidance literature:: Multi-step reaction with 3 steps

1: palladium 10% on activated carbon; hydrogen / methanol; ethyl acetate / 216 h / 2585.81 Torr / Inert atmosphere

2: triethylamine / dichloromethane / 21 h / 20 °C / Inert atmosphere; Cooling with ice

3: tetrakis(triphenylphosphine) palladium⁽⁰⁾; sodium carbonate / water; 1,4-dioxane / 1 h / 120 °C / Sealed tube; Microwave irradiation

With tetrakis(triphenylphosphine) palladium⁽⁰⁾; palladium 10% on activated carbon; hydrogen; sodium carbonate; triethylamine; In 1,4-dioxane; methanol; dichloromethane; water; ethyl acetate;