4-(2-hydroxyphenyl)-2-(thiophen-2-yl)-2,3-dihydro-1H-benzo[b][1,4]diazepine

Base Information

• Chemical Name: 4-(2-hydroxyphenyl)-2-(thiophen-2-yl)-2,3-dihydro-1H-benzo[b][1,4]diazepine
• CAS No.: 1058163-35-1
• Molecular Formula: C₁₉H₁₆N₂OS
• Molecular Weight: 320.415
• Mol file: 1058163-35-1.mol

Synonyms:4-(2-hydroxyphenyl)-2-(thiophen-2-yl)-2,3-dihydro-1H-benzo[b][1,4]diazepine

Chemical Property of 4-(2-hydroxyphenyl)-2-(thiophen-2-yl)-2,3-dihydro-1H-benzo[b][1,4]diazepine

Chemical Property:

Purity/Quality:

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

Useful:

Technology Process of 4-(2-hydroxyphenyl)-2-(thiophen-2-yl)-2,3-dihydro-1H-benzo[b][1,4]diazepine

There total 3 articles about 4-(2-hydroxyphenyl)-2-(thiophen-2-yl)-2,3-dihydro-1H-benzo[b][1,4]diazepine 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: 88.0%

(E) -1-(2-hydroxyphenyl)-3-(thiophen-2-yl)prop-2-en-3-one (2875-22-1,119271-85-1) + 1,2-diamino-benzene (95-54-5) → 4-(2-hydroxyphenyl)-2-(thiophen-2-yl)-2,3-dihydro-1H-benzo[b][1,4]diazepine (1058163-35-1)

Guidance literature:

gallium(III) triflate; In acetonitrile; at 60 ℃;

DOI:10.1016/j.tetlet.2008.06.082

Reference yield: 46.0%

3-(2-hydroxyphenyl)-1-(thiophen-2-yl)prop-2-en-1-one (18234-50-9) + 1,2-diamino-benzene (95-54-5) → 4-(2-hydroxyphenyl)-2-(thiophen-2-yl)-2,3-dihydro-1H-benzo[b][1,4]diazepine (1058163-35-1)

Guidance literature:

With sodium hydroxide; In methanol; for 10h; Reflux;

DOI:10.1002/jhet.1722

Reference yield:

2-Acetylthiophene (88-15-3,97511-16-5) + salicylaldehyde (90-02-8) → 4-(2-hydroxyphenyl)-2-(thiophen-2-yl)-2,3-dihydro-1H-benzo[b][1,4]diazepine (1058163-35-1)

Guidance literature:

Multi-step reaction with 2 steps

1: sodium hydroxide / ethanol / 24 h

2: sodium hydroxide / methanol / 10 h / Reflux

With sodium hydroxide; In methanol; ethanol;

DOI:10.1002/jhet.1722

upstream raw materials:

(E) -1-(2-hydroxyphenyl)-3-(thiophen-2-yl)prop-2-en-3-one

1,2-diamino-benzene

2-Acetylthiophene

salicylaldehyde