5,12a-Dihydro-6-phenyl-6H-benzothiazolo<3,2-c>-1,3-dioxolo<4,5-g>quinazoline

Base Information

Chemical Name:5,12a-Dihydro-6-phenyl-6H-benzothiazolo<3,2-c>-1,3-dioxolo<4,5-g>quinazoline
CAS No.:79851-01-7
Molecular Formula:C₂₁H₁₆N₂O₂S
Molecular Weight:360.436
Hs Code.:

Synonyms:5,12a-Dihydro-6-phenyl-6H-benzothiazolo<3,2-c>-1,3-dioxolo<4,5-g>quinazoline

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Chemical Property of 5,12a-Dihydro-6-phenyl-6H-benzothiazolo<3,2-c>-1,3-dioxolo<4,5-g>quinazoline

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Technology Process of 5,12a-Dihydro-6-phenyl-6H-benzothiazolo<3,2-c>-1,3-dioxolo<4,5-g>quinazoline

There total 4 articles about 5,12a-Dihydro-6-phenyl-6H-benzothiazolo<3,2-c>-1,3-dioxolo<4,5-g>quinazoline 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: 90.0%

: 100-52-7
benzaldehyde

: 79835-06-6
2-(2'-Amino-4',5'-methylenedioxyphenyl)benzothiazolidine hydrochloride

: 79851-01-7
5,12a-Dihydro-6-phenyl-6H-benzothiazolo<3,2-c>-1,3-dioxolo<4,5-g>quinazoline

Guidance literature:: With sodium acetate; In ethanol; 1.) 1 h, room temperature, 2.) 3 h, reflux;
DOI:10.1007/BF00905076

Reference yield:

: 3292-42-0
2-aminobenzenethiol hydrochloride

: 79851-01-7
5,12a-Dihydro-6-phenyl-6H-benzothiazolo<3,2-c>-1,3-dioxolo<4,5-g>quinazoline

Guidance literature:: Multi-step reaction with 3 steps

1: 51 percent / AcONa (fused) / ethanol / 0.5 h / Heating

2: 83 percent / HCl / diethyl ether / 2 h

3: 90 percent / AcONa (fused) / ethanol / 1.) 1 h, room temperature, 2.) 3 h, reflux

With hydrogenchloride; sodium acetate; In diethyl ether; ethanol;
DOI:10.1007/BF00905076

Reference yield:

: 137-07-5
2-amino-benzenethiol

: 79851-01-7
5,12a-Dihydro-6-phenyl-6H-benzothiazolo<3,2-c>-1,3-dioxolo<4,5-g>quinazoline

Guidance literature:: Multi-step reaction with 4 steps

1: 5.5 g / HCl / ethanol / 1 h

2: 51 percent / AcONa (fused) / ethanol / 0.5 h / Heating

3: 83 percent / HCl / diethyl ether / 2 h

4: 90 percent / AcONa (fused) / ethanol / 1.) 1 h, room temperature, 2.) 3 h, reflux

With hydrogenchloride; sodium acetate; In diethyl ether; ethanol;
DOI:10.1007/BF00905076