4a-Benzyl-1,3-dimethyl-1,2,3,4-tetrahydro-4aH-pyrimido<5.4-b><2.4>benzothiazin-1,4(1H,3H)-dion

Base Information

Chemical Name:4a-Benzyl-1,3-dimethyl-1,2,3,4-tetrahydro-4aH-pyrimido<5.4-b><2.4>benzothiazin-1,4(1H,3H)-dion
CAS No.:63052-57-3
Molecular Formula:C₁₉H₁₇N₃O₂S
Molecular Weight:351.429
Hs Code.:

Synonyms:4a-Benzyl-1,3-dimethyl-1,2,3,4-tetrahydro-4aH-pyrimido<5.4-b><2.4>benzothiazin-1,4(1H,3H)-dion

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Chemical Property of 4a-Benzyl-1,3-dimethyl-1,2,3,4-tetrahydro-4aH-pyrimido<5.4-b><2.4>benzothiazin-1,4(1H,3H)-dion

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Technology Process of 4a-Benzyl-1,3-dimethyl-1,2,3,4-tetrahydro-4aH-pyrimido<5.4-b><2.4>benzothiazin-1,4(1H,3H)-dion

There total 6 articles about 4a-Benzyl-1,3-dimethyl-1,2,3,4-tetrahydro-4aH-pyrimido<5.4-b><2.4>benzothiazin-1,4(1H,3H)-dion 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: 38.0%

: 25861-95-4
1,3-dimethyl-2,4-dioxo-1,2,3,4-tetrahydro-10H-pyrimido<5,4-b><1,4>benzothiazine

: 100-39-0
benzyl bromide

: 342605-76-9,63052-56-2
5-Benzyl-1,3-dimethyl-2-oxo-1,2,3,6-tetrahydro-(1H,3H)-pyrimido<5.4-b><1.4>benzothiazin-5-ium-4-olat

: 63052-57-3
4a-Benzyl-1,3-dimethyl-1,2,3,4-tetrahydro-4aH-pyrimido<5.4-b><2.4>benzothiazin-1,4(1H,3H)-dion

: 63052-60-8
10-Benzyl-1,3-dimethyl-10H-pyrimido<5.4-b><1.4>benzothiazin-2,4-(1H,3H)-dion

Guidance literature:: With potassium carbonate; In N,N-dimethyl-formamide; at 20 ℃; for 0.5h;
DOI:10.1002/ardp.19813141207

Reference yield:

: 769-42-6
1,3-dimethylbarbituric acid

: 63052-57-3
4a-Benzyl-1,3-dimethyl-1,2,3,4-tetrahydro-4aH-pyrimido<5.4-b><2.4>benzothiazin-1,4(1H,3H)-dion

Guidance literature:: Multi-step reaction with 2 steps

1: dimethylsulfoxide / 3 h / 130 °C

2: 38 percent / K₂CO₃ / dimethylformamide / 0.5 h / 20 °C

With potassium carbonate; In dimethyl sulfoxide; N,N-dimethyl-formamide;
DOI:10.1002/ardp.19813141207

Reference yield:

: 137-07-5
2-amino-benzenethiol

: 63052-57-3
4a-Benzyl-1,3-dimethyl-1,2,3,4-tetrahydro-4aH-pyrimido<5.4-b><2.4>benzothiazin-1,4(1H,3H)-dion

Guidance literature:: Multi-step reaction with 2 steps

1: dimethylsulfoxide / 3 h / 130 °C

2: 38 percent / K₂CO₃ / dimethylformamide / 0.5 h / 20 °C

With potassium carbonate; In dimethyl sulfoxide; N,N-dimethyl-formamide;
DOI:10.1002/ardp.19813141207