[1,4]Dioxino[2,3-g]benzothiazole-2-carbonitrile,7,8-dihydro-(9CI)

Base Information

• Chemical Name: [1,4]Dioxino[2,3-g]benzothiazole-2-carbonitrile,7,8-dihydro-(9CI)
• CAS No.: 225242-00-2
• Molecular Formula: C₁₀H₆N₂O₂S
• Molecular Weight: 218.236
• Mol file: 225242-00-2.mol

Synonyms:[1,4]Dioxino[2,3-g]benzothiazole-2-carbonitrile,7,8-dihydro-(9CI)

Chemical Property of [1,4]Dioxino[2,3-g]benzothiazole-2-carbonitrile,7,8-dihydro-(9CI)

Chemical Property:

• PSA: 83.38000
• LogP: 1.93918

Purity/Quality:

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

SDS file from LookChem

Useful:

Technology Process of [1,4]Dioxino[2,3-g]benzothiazole-2-carbonitrile,7,8-dihydro-(9CI)

There total 2 articles about [1,4]Dioxino[2,3-g]benzothiazole-2-carbonitrile,7,8-dihydro-(9CI) 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: 42.0%

N-(4-chloro-5H-1,2,3-dithiazol-5-ylidene)-2,3-dihydro-1,4-benzodioxin-6-amine → 6,7-dihydro<1,4>dioxino<2,3-f>benzothiazole-2-carbonitrile (225241-93-0) + 7,8-dihydro<1,4>dioxino<2,3-g>benzothiazole-2-carbonitrile (225242-00-2)

Guidance literature:

With pyridinium hydrobromide perbromide; In pyridine; N,N-dimethyl-formamide; for 0.0916667h; Heating; Irradiation; further conditions; microwave irradiation;

DOI:10.1016/S0040-4020(99)00175-1

Reference yield:

6-amino-3,4-benzodioxane (22013-33-8) → 7,8-dihydro<1,4>dioxino<2,3-g>benzothiazole-2-carbonitrile (225242-00-2)

Guidance literature:

Multi-step reaction with 2 steps

1: 78 percent

2: 29 percent / pyridine*HBr*Br₂ / dimethylformamide; pyridine / 1.5 h / Heating

With pyridinium perbromide hydrobromide; In pyridine; N,N-dimethyl-formamide; 1: Condensation / 2: Ring cleavage;

DOI:10.1016/S0223-5234(99)00130-0

Reference yield: 65.0%

7,8-dihydro<1,4>dioxino<2,3-g>benzothiazole-2-carbonitrile (225242-00-2) → 7,8-dihydro<1,4>dioxino<2,3-g>benzothiazole (225242-11-5)

Guidance literature:

With hydrogenchloride; for 0.25h; Heating; Irradiation; microwave irradiation; further conditions;

DOI:10.1016/S0040-4020(99)00175-1

upstream raw materials:

6-amino-3,4-benzodioxane

Downstream raw materials:

7,8-dihydro<1,4>dioxino<2,3-g>benzothiazole

<1,4>dioxino<2,3-g>benzotiazole-2-carbonitrile