4-(4-Benzyl-piperazin-1-yl)-2-pyrrolidin-1-yl-7,8-dihydro-6H-thiopyrano[3,2-d]pyrimidine

Base Information

Chemical Name:4-(4-Benzyl-piperazin-1-yl)-2-pyrrolidin-1-yl-7,8-dihydro-6H-thiopyrano[3,2-d]pyrimidine
CAS No.:87466-36-2
Molecular Formula:C₂₂H₂₉N₅S
Molecular Weight:395.572
Hs Code.:

Synonyms:4-(4-Benzyl-piperazin-1-yl)-2-pyrrolidin-1-yl-7,8-dihydro-6H-thiopyrano[3,2-d]pyrimidine

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Chemical Property of 4-(4-Benzyl-piperazin-1-yl)-2-pyrrolidin-1-yl-7,8-dihydro-6H-thiopyrano[3,2-d]pyrimidine

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Technology Process of 4-(4-Benzyl-piperazin-1-yl)-2-pyrrolidin-1-yl-7,8-dihydro-6H-thiopyrano[3,2-d]pyrimidine

There total 7 articles about 4-(4-Benzyl-piperazin-1-yl)-2-pyrrolidin-1-yl-7,8-dihydro-6H-thiopyrano[3,2-d]pyrimidine 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: 84.0%

: 100-44-7
benzyl chloride

: 87466-34-0
4-Piperazin-1-yl-2-pyrrolidin-1-yl-7,8-dihydro-6H-thiopyrano[3,2-d]pyrimidine

: 87466-36-2
4-(4-Benzyl-piperazin-1-yl)-2-pyrrolidin-1-yl-7,8-dihydro-6H-thiopyrano[3,2-d]pyrimidine

Guidance literature:: With potassium carbonate; In N,N-dimethyl-formamide; at 40 ℃; for 1h;
DOI:10.1248/cpb.34.4150

Reference yield:

: 58509-73-2
ethyl 3-oxothiane-2-carboxylate

: 87466-36-2
4-(4-Benzyl-piperazin-1-yl)-2-pyrrolidin-1-yl-7,8-dihydro-6H-thiopyrano[3,2-d]pyrimidine

Guidance literature:: Multi-step reaction with 7 steps

1: 20.5 g / KOH / methanol / 2 h

2: 19 g / acetic acid; H₂O / 50 h / Heating

3: 6.2 g / POCl₃, N,N-dimethylaniline / 3 h / Heating

4: 74 percent / CH₂Cl₂ / 3 h

5: 50 percent / ethanol; H₂O / 7 h / 50 - 60 °C

6: 82 percent / conc. HCl / ethanol / 1 h / 80 °C

7: 84 percent / K₂CO₃ / dimethylformamide / 1 h / 40 °C

With hydrogenchloride; potassium hydroxide; potassium carbonate; N,N-dimethyl-aniline; trichlorophosphate; In methanol; ethanol; dichloromethane; water; acetic acid; N,N-dimethyl-formamide;
DOI:10.1248/cpb.34.4150

Reference yield:

: 87466-23-7
2,4-dichloro-7,8-dihydro-6H-thiopyrano<3,2-d>pyrimidine

: 87466-36-2
4-(4-Benzyl-piperazin-1-yl)-2-pyrrolidin-1-yl-7,8-dihydro-6H-thiopyrano[3,2-d]pyrimidine

Guidance literature:: Multi-step reaction with 4 steps

1: 74 percent / CH₂Cl₂ / 3 h

2: 50 percent / ethanol; H₂O / 7 h / 50 - 60 °C

3: 82 percent / conc. HCl / ethanol / 1 h / 80 °C

4: 84 percent / K₂CO₃ / dimethylformamide / 1 h / 40 °C

With hydrogenchloride; potassium carbonate; In ethanol; dichloromethane; water; N,N-dimethyl-formamide;
DOI:10.1248/cpb.34.4150