(5R)-(-)-N-[1-ethyl-1-(4-methylphenyl)propyl]-7,7-dimethyl-5-phenyl-4,5,6,7-tetrahydropyrazolo[1,5-a]pyrimidine-3-carboxamide hydrochloride

Base Information

Chemical Name:(5R)-(-)-N-[1-ethyl-1-(4-methylphenyl)propyl]-7,7-dimethyl-5-phenyl-4,5,6,7-tetrahydropyrazolo[1,5-a]pyrimidine-3-carboxamide hydrochloride
CAS No.:667931-02-4
Molecular Formula:C₂₇H₃₄N₄O*ClH
Molecular Weight:467.054
Hs Code.:

(5R)-(-)-N-[1-ethyl-1-(4-methylphenyl)propyl]-7,7-dimethyl-5-phenyl-4,5,6,7-tetrahydropyrazolo[1,5-a]pyrimidine-3-carboxamide hydrochloride

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Chemical Property of (5R)-(-)-N-[1-ethyl-1-(4-methylphenyl)propyl]-7,7-dimethyl-5-phenyl-4,5,6,7-tetrahydropyrazolo[1,5-a]pyrimidine-3-carboxamide hydrochloride

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Technology Process of (5R)-(-)-N-[1-ethyl-1-(4-methylphenyl)propyl]-7,7-dimethyl-5-phenyl-4,5,6,7-tetrahydropyrazolo[1,5-a]pyrimidine-3-carboxamide hydrochloride

There total 6 articles about (5R)-(-)-N-[1-ethyl-1-(4-methylphenyl)propyl]-7,7-dimethyl-5-phenyl-4,5,6,7-tetrahydropyrazolo[1,5-a]pyrimidine-3-carboxamide hydrochloride 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:

: 1268168-26-8
3-(4-methylphenyl)pentan-3-amine hydrochloride

: C₁₅H₁₆ClN₃O

: 667931-02-4
(5R)-(-)-N-[1-ethyl-1-(4-methylphenyl)propyl]-7,7-dimethyl-5-phenyl-4,5,6,7-tetrahydropyrazolo[1,5-a]pyrimidine-3-carboxamide hydrochloride

Guidance literature:: With triethylamine; In toluene; at 70 ℃; for 3h;
DOI:10.1021/jm101452x

Reference yield:

: 1260243-53-5
ethyl 7,7-dimethyl-5-phenyl-4,7-dihydropyrazolo[1,5-a]pyrimidine-3-carboxylate

: 667931-02-4
(5R)-(-)-N-[1-ethyl-1-(4-methylphenyl)propyl]-7,7-dimethyl-5-phenyl-4,5,6,7-tetrahydropyrazolo[1,5-a]pyrimidine-3-carboxamide hydrochloride

Guidance literature:: Multi-step reaction with 5 steps

1: sodium tetrahydroborate / ethanol / 0 - 20 °C

2: CHIRALCEL OD / Resolution of racemate

3: potassium hydroxide / ethanol; water / 12 h / 90 °C

4: thionyl chloride; N,N-dimethyl-formamide / toluene / 1 h / 20 °C

5: triethylamine / toluene / 3 h / 70 °C

With sodium tetrahydroborate; thionyl chloride; triethylamine; N,N-dimethyl-formamide; potassium hydroxide; In ethanol; water; toluene;
DOI:10.1021/jm101452x

Reference yield:

: 667920-79-8,667930-73-6,667930-74-7
ethyl 7,7-dimethyl-5-phenyl-4,5,6,7-tetrahydropyrazolo[1,5-a]pyrimidine-3-carboxylate

: 667931-02-4
(5R)-(-)-N-[1-ethyl-1-(4-methylphenyl)propyl]-7,7-dimethyl-5-phenyl-4,5,6,7-tetrahydropyrazolo[1,5-a]pyrimidine-3-carboxamide hydrochloride

Guidance literature:: Multi-step reaction with 4 steps

1: CHIRALCEL OD / Resolution of racemate

2: potassium hydroxide / ethanol; water / 12 h / 90 °C

3: thionyl chloride; N,N-dimethyl-formamide / toluene / 1 h / 20 °C

4: triethylamine / toluene / 3 h / 70 °C

With thionyl chloride; triethylamine; N,N-dimethyl-formamide; potassium hydroxide; In ethanol; water; toluene;
DOI:10.1021/jm101452x