1-[4-methoxyphenyl]-3-cyano-6-[4-bromophenyl]-1,6-dihydropyrazolo-[4,3-d]-pyrimidin-7-one

Base Information

Chemical Name:1-[4-methoxyphenyl]-3-cyano-6-[4-bromophenyl]-1,6-dihydropyrazolo-[4,3-d]-pyrimidin-7-one
CAS No.:280119-80-4
Molecular Formula:C₁₉H₁₂BrN₅O₂
Molecular Weight:422.241
Hs Code.:

Synonyms:1-[4-methoxyphenyl]-3-cyano-6-[4-bromophenyl]-1,6-dihydropyrazolo-[4,3-d]-pyrimidin-7-one

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Chemical Property of 1-[4-methoxyphenyl]-3-cyano-6-[4-bromophenyl]-1,6-dihydropyrazolo-[4,3-d]-pyrimidin-7-one

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Technology Process of 1-[4-methoxyphenyl]-3-cyano-6-[4-bromophenyl]-1,6-dihydropyrazolo-[4,3-d]-pyrimidin-7-one

There total 9 articles about 1-[4-methoxyphenyl]-3-cyano-6-[4-bromophenyl]-1,6-dihydropyrazolo-[4,3-d]-pyrimidin-7-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: 91.0%

: 280119-79-1
1-[4-methoxyphenyl]-3-cyano-4-amino-5-[4-bromophenylaminocarbonyl]pyrazole

: 280119-80-4
1-[4-methoxyphenyl]-3-cyano-6-[4-bromophenyl]-1,6-dihydropyrazolo-[4,3-d]-pyrimidin-7-one

Guidance literature:: In formic acid; N,N-dimethyl-formamide dimethyl acetal; ethyl acetate;

Reference yield:

: 4-azido-5-cyano-2-(4-methoxy-phenyl)-2H-pyrazole-3-carbonyl chloride

: 280119-80-4
1-[4-methoxyphenyl]-3-cyano-6-[4-bromophenyl]-1,6-dihydropyrazolo-[4,3-d]-pyrimidin-7-one

Guidance literature:: Multi-step reaction with 4 steps

1: CH₂Cl₂

2: 50 percent / SnCl₂*2H₂O / propan-2-ol

3: 100 °C

4: aq. HCOOH / Heating

With formic acid; tin(ll) chloride; In dichloromethane; isopropyl alcohol;
DOI:10.1016/j.bmcl.2006.04.044

Reference yield:

: 280119-44-0
Methyl (1-[4-Methoxyphenyl]-3-cyano-4-amino)pyrazole-5-carboxylate

: 280119-80-4
1-[4-methoxyphenyl]-3-cyano-6-[4-bromophenyl]-1,6-dihydropyrazolo-[4,3-d]-pyrimidin-7-one

Guidance literature:: Multi-step reaction with 7 steps

1.1: NaNO₂; TFA / 0 °C

1.2: 75 percent / NaN₃

2.1: aq. LiOH / tetrahydrofuran

3.1: (COCl)2 / CH₂Cl₂

4.1: CH₂Cl₂

5.1: 50 percent / SnCl₂*2H₂O / propan-2-ol

6.1: 100 °C

7.1: aq. HCOOH / Heating

With lithium hydroxide; formic acid; oxalyl dichloride; trifluoroacetic acid; tin(ll) chloride; sodium nitrite; In tetrahydrofuran; dichloromethane; isopropyl alcohol;
DOI:10.1016/j.bmcl.2006.04.044