8-Chloro-5-phenyl-5H-4-thia-3,9b-diaza-cyclopenta[a]naphthalene-2-carboxylic acid ethyl ester; hydrobromide

Base Information

• Chemical Name: 8-Chloro-5-phenyl-5H-4-thia-3,9b-diaza-cyclopenta[a]naphthalene-2-carboxylic acid ethyl ester; hydrobromide
• CAS No.: 93765-04-9
• Molecular Formula: BrH*C₁₉H₁₅ClN₂O₂S
• Molecular Weight: 451.771

Synonyms:8-Chloro-5-phenyl-5H-4-thia-3,9b-diaza-cyclopenta[a]naphthalene-2-carboxylic acid ethyl ester; hydrobromide

Chemical Property of 8-Chloro-5-phenyl-5H-4-thia-3,9b-diaza-cyclopenta[a]naphthalene-2-carboxylic acid ethyl ester; hydrobromide

Chemical Property:

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Technology Process of 8-Chloro-5-phenyl-5H-4-thia-3,9b-diaza-cyclopenta[a]naphthalene-2-carboxylic acid ethyl ester; hydrobromide

There total 4 articles about 8-Chloro-5-phenyl-5H-4-thia-3,9b-diaza-cyclopenta[a]naphthalene-2-carboxylic acid ethyl ester; hydrobromide 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: 80.0%

2-Amino-7-chloro-1-(2-ethoxycarbonyl-2-oxo-ethyl)-4-phenyl-4H-benzo[d][1,3]thiazin-1-ium; bromide → 8-Chloro-5-phenyl-5H-4-thia-3,9b-diaza-cyclopenta[a]naphthalene-2-carboxylic acid ethyl ester; hydrobromide (93765-04-9)

Guidance literature:

In ethanol; for 1.5h; Heating;

DOI:10.1002/jhet.5570210432

Reference yield:

2-Amino-4-chlorobenzhydrol (25648-19-5) → 8-Chloro-5-phenyl-5H-4-thia-3,9b-diaza-cyclopenta[a]naphthalene-2-carboxylic acid ethyl ester; hydrobromide (93765-04-9)

Guidance literature:

Multi-step reaction with 3 steps

1: 80 percent / 48percent Hydrobromic Acid

2: 1,2-dimethoxy-ethane / 24 h / Ambient temperature

3: 80 percent / ethanol / 1.5 h / Heating

With hydrogen bromide; In 1,2-dimethoxyethane; ethanol;

DOI:10.1002/jhet.5570210432

Reference yield:

2-amino-4-chlorobenzophenone (4076-50-0) → 8-Chloro-5-phenyl-5H-4-thia-3,9b-diaza-cyclopenta[a]naphthalene-2-carboxylic acid ethyl ester; hydrobromide (93765-04-9)

Guidance literature:

Multi-step reaction with 4 steps

1: 82 percent / Sodium borohydride / ethanol / 2 h / Heating

2: 80 percent / 48percent Hydrobromic Acid

3: 1,2-dimethoxy-ethane / 24 h / Ambient temperature

4: 80 percent / ethanol / 1.5 h / Heating

With sodium tetrahydroborate; hydrogen bromide; In 1,2-dimethoxyethane; ethanol;

DOI:10.1002/jhet.5570210432

upstream raw materials:

2-Amino-4-chlorobenzhydrol

2-amino-4-chlorobenzophenone

2-Amino-7-chloro-4-phenyl-4H-3,1-benzothiazine

Downstream raw materials:

8-Chloro-5-phenyl-5H-4-thia-3,9b-diaza-cyclopenta[a]naphthalene-2-carboxylic acid

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