tert-butyl 2-bromo-4-(2-methylphenyl)-7,8-dihydropyrido[4,3-d]pyrimidine-6(5H)-carboxylate

Base Information

Chemical Name:tert-butyl 2-bromo-4-(2-methylphenyl)-7,8-dihydropyrido[4,3-d]pyrimidine-6(5H)-carboxylate
CAS No.:1095717-37-5
Molecular Formula:C₁₉H₂₂BrN₃O₂
Molecular Weight:404.307
Hs Code.:

Synonyms:tert-butyl 2-bromo-4-(2-methylphenyl)-7,8-dihydropyrido[4,3-d]pyrimidine-6(5H)-carboxylate

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Chemical Property of tert-butyl 2-bromo-4-(2-methylphenyl)-7,8-dihydropyrido[4,3-d]pyrimidine-6(5H)-carboxylate

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Technology Process of tert-butyl 2-bromo-4-(2-methylphenyl)-7,8-dihydropyrido[4,3-d]pyrimidine-6(5H)-carboxylate

There total 6 articles about tert-butyl 2-bromo-4-(2-methylphenyl)-7,8-dihydropyrido[4,3-d]pyrimidine-6(5H)-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: 23.0%

: 1095717-36-4
tert-butyl 2-amino-4-(2-methylphenyl)-7,8-dihydropyrido[4,3-d]pyrimidine-6(5H)-carboxylate

: 1095717-37-5
tert-butyl 2-bromo-4-(2-methylphenyl)-7,8-dihydropyrido[4,3-d]pyrimidine-6(5H)-carboxylate

Guidance literature:: With tert.-butylnitrite; antimony(III) bromide; In dichloromethane; at 0 ℃; for 16h;
DOI:10.1016/j.bmcl.2011.03.084

Reference yield:

: tert-butyl 2-amino-4-hydroxy-7,8-dihydro-5H-pyrido[4,3-d]pyrimidine-6-carboxylate

: 1095717-37-5
tert-butyl 2-bromo-4-(2-methylphenyl)-7,8-dihydropyrido[4,3-d]pyrimidine-6(5H)-carboxylate

Guidance literature:: Multi-step reaction with 2 steps

1: potassium phosphate; palladium diacetate / N,N-dimethyl-formamide / 16 h / 80 °C

2: tert.-butylnitrite; antimony(III) bromide / dichloromethane / 16 h / 0 °C

With potassium phosphate; tert.-butylnitrite; palladium diacetate; antimony(III) bromide; In dichloromethane; N,N-dimethyl-formamide; 1: Suzuki coupling / 2: Sandmeyer reaction;
DOI:10.1016/j.bmcl.2011.03.084

Reference yield:

: 98977-34-5
1-tert-butyl 3-ethyl 4-oxopiperidine-1,3-dicarboxylate

: 1095717-37-5
tert-butyl 2-bromo-4-(2-methylphenyl)-7,8-dihydropyrido[4,3-d]pyrimidine-6(5H)-carboxylate

Guidance literature:: Multi-step reaction with 3 steps

1: potassium carbonate / methanol; water / 16 h / Reflux

2: potassium phosphate; palladium diacetate / N,N-dimethyl-formamide / 16 h / 80 °C

3: tert.-butylnitrite; antimony(III) bromide / dichloromethane / 16 h / 0 °C

With potassium phosphate; tert.-butylnitrite; palladium diacetate; antimony(III) bromide; potassium carbonate; In methanol; dichloromethane; water; N,N-dimethyl-formamide; 2: Suzuki coupling / 3: Sandmeyer reaction;
DOI:10.1016/j.bmcl.2011.03.084