tert-butyl 4-(4-(7-chloro-4-oxo-3,4-dihydropyrido[3,4-d]pyridazin-5-ylamino)-3-ethoxyphenyl)piperidine-1-carboxylate

Base Information

Chemical Name:tert-butyl 4-(4-(7-chloro-4-oxo-3,4-dihydropyrido[3,4-d]pyridazin-5-ylamino)-3-ethoxyphenyl)piperidine-1-carboxylate
CAS No.:1390658-07-7
Molecular Formula:C₂₅H₃₀ClN₅O₄
Molecular Weight:499.997
Hs Code.:

Synonyms:tert-butyl 4-(4-(7-chloro-4-oxo-3,4-dihydropyrido[3,4-d]pyridazin-5-ylamino)-3-ethoxyphenyl)piperidine-1-carboxylate

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Chemical Property of tert-butyl 4-(4-(7-chloro-4-oxo-3,4-dihydropyrido[3,4-d]pyridazin-5-ylamino)-3-ethoxyphenyl)piperidine-1-carboxylate

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Technology Process of tert-butyl 4-(4-(7-chloro-4-oxo-3,4-dihydropyrido[3,4-d]pyridazin-5-ylamino)-3-ethoxyphenyl)piperidine-1-carboxylate

There total 10 articles about tert-butyl 4-(4-(7-chloro-4-oxo-3,4-dihydropyrido[3,4-d]pyridazin-5-ylamino)-3-ethoxyphenyl)piperidine-1-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:

: 5398-44-7
2,6-dichloropyridine-4-carboxylic acid

: 1390658-07-7
tert-butyl 4-(4-(7-chloro-4-oxo-3,4-dihydropyrido[3,4-d]pyridazin-5-ylamino)-3-ethoxyphenyl)piperidine-1-carboxylate

Guidance literature:: Multi-step reaction with 9 steps

1.1: thionyl chloride / 5 h / 20 °C / Cooling with ice

2.1: sodium tris(acetoxy)borohydride / ethanol / 3 h / 80 °C

3.1: Dess-Martin periodane / dichloromethane / 0.5 h / 20 °C

4.1: toluene-4-sulfonic acid / toluene; methanol / 2 h / Reflux

5.1: diisopropylamine; n-butyllithium / hexane; tetrahydrofuran / 3 h / -78 °C

5.2: 2 h / 20 °C

6.1: trifluoroacetic acid / dichloromethane / 20 °C

7.1: 1,4-dioxane / 20 °C

8.1: trifluoroacetic acid / dichloromethane / 2 h / 20 °C

9.1: N-ethyl-N,N-diisopropylamine / 1,4-dioxane / 14 h / 120 °C / Sealed tube

With n-butyllithium; thionyl chloride; sodium tris(acetoxy)borohydride; Dess-Martin periodane; diisopropylamine; N-ethyl-N,N-diisopropylamine; trifluoroacetic acid; toluene-4-sulfonic acid; In tetrahydrofuran; 1,4-dioxane; methanol; ethanol; hexane; dichloromethane; toluene;

Reference yield:

: 1390656-66-2
5,7-dichloro-3H-pyrido[3,4-d]pyridazin-4-one

: 1390658-06-6
tert-butyl 4-(4-amino-3-ethoxyphenyl)piperidine-1-carboxylate

: 1390658-07-7
tert-butyl 4-(4-(7-chloro-4-oxo-3,4-dihydropyrido[3,4-d]pyridazin-5-ylamino)-3-ethoxyphenyl)piperidine-1-carboxylate

Guidance literature:: With N-ethyl-N,N-diisopropylamine; In 1,4-dioxane; at 120 ℃; for 14h; Sealed tube;

Reference yield:

: 375853-82-0,286961-14-6
tert-Butyl 4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-3,6-dihydro-1(2H)-pyridinecarboxylate

: 1390658-07-7
tert-butyl 4-(4-(7-chloro-4-oxo-3,4-dihydropyrido[3,4-d]pyridazin-5-ylamino)-3-ethoxyphenyl)piperidine-1-carboxylate

Guidance literature:: Multi-step reaction with 3 steps

1: potassium carbonate / (1,1'-bis(diphenylphosphino)ferrocene)palladium(II) dichloride / 1,4-dioxane; water / 14 h / 100 °C

2: hydrogen / palladium 10% on activated carbon / methanol / 14 h

3: N-ethyl-N,N-diisopropylamine / 1,4-dioxane / 14 h / 120 °C / Sealed tube

With hydrogen; potassium carbonate; N-ethyl-N,N-diisopropylamine; (1,1'-bis(diphenylphosphino)ferrocene)palladium(II) dichloride; palladium 10% on activated carbon; In 1,4-dioxane; methanol; water;