(2E)-1-[7-(cyclopentylamino)-2-(4-methoxyphenyl)pyrazolo[1,5-a]pyridin-3-yl]-3-(dimethylamino)-2-propen-1-one

Base Information

Chemical Name:(2E)-1-[7-(cyclopentylamino)-2-(4-methoxyphenyl)pyrazolo[1,5-a]pyridin-3-yl]-3-(dimethylamino)-2-propen-1-one
CAS No.:437384-20-8
Molecular Formula:C₂₄H₂₈N₄O₂
Molecular Weight:404.512
Hs Code.:

Synonyms:(2E)-1-[7-(cyclopentylamino)-2-(4-methoxyphenyl)pyrazolo[1,5-a]pyridin-3-yl]-3-(dimethylamino)-2-propen-1-one

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Chemical Property of (2E)-1-[7-(cyclopentylamino)-2-(4-methoxyphenyl)pyrazolo[1,5-a]pyridin-3-yl]-3-(dimethylamino)-2-propen-1-one

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Technology Process of (2E)-1-[7-(cyclopentylamino)-2-(4-methoxyphenyl)pyrazolo[1,5-a]pyridin-3-yl]-3-(dimethylamino)-2-propen-1-one

There total 10 articles about (2E)-1-[7-(cyclopentylamino)-2-(4-methoxyphenyl)pyrazolo[1,5-a]pyridin-3-yl]-3-(dimethylamino)-2-propen-1-one 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: 93.0%

: 437384-19-5
1-[7-(cyclopentylamino)-2-(4-methoxyphenyl)pyrazolo[1,5-a]pyridin-3-yl]ethanone

: 437384-20-8
(2E)-1-[7-(cyclopentylamino)-2-(4-methoxyphenyl)pyrazolo[1,5-a]pyridin-3-yl]-3-(dimethylamino)-2-propen-1-one

Guidance literature:: In water; N,N-dimethyl-formamide dimethyl acetal;

Reference yield: 93.0%

: 437384-19-5
1-[7-(cyclopentylamino)-2-(4-methoxyphenyl)pyrazolo[1,5-a]pyridin-3-yl]ethanone

: 4637-24-5
N,N-dimethyl-formamide dimethyl acetal

: 437384-20-8
(2E)-1-[7-(cyclopentylamino)-2-(4-methoxyphenyl)pyrazolo[1,5-a]pyridin-3-yl]-3-(dimethylamino)-2-propen-1-one

Guidance literature:: for 120h; Heating;
DOI:10.1016/j.bmc.2005.05.043

Reference yield:

: 437384-17-3
7-chloro-2-(4-methoxyphenyl)pyrazolo[1,5-a]pyridine

: 437384-20-8
(2E)-1-[7-(cyclopentylamino)-2-(4-methoxyphenyl)pyrazolo[1,5-a]pyridin-3-yl]-3-(dimethylamino)-2-propen-1-one

Guidance literature:: Multi-step reaction with 3 steps

1: 65 percent / BF₃*Et₂O / toluene / Heating

2: 97 percent / rac-2,2'-bis(diphenylphosphino)-1,1'-binaphthyl; cesium carbonate / palladium(II) acetate / toluene / 100 °C

3: 93 percent / 120 h / Heating

With boron trifluoride diethyl etherate; caesium carbonate; 2,2'-bis-(diphenylphosphino)-1,1'-binaphthyl; palladium diacetate; In toluene; 2: Buchwald-Hartwig amination;
DOI:10.1016/j.bmc.2005.05.043