1,3-Benzothiazole-2-carbohydrazide

Base Information

• Chemical Name: 1,3-Benzothiazole-2-carbohydrazide
• CAS No.: 28891-34-1
• Molecular Formula: C8H7 N3 O S
• Molecular Weight: 193.229
• Hs Code.: 2934200090
• Mol file: 28891-34-1.mol

Synonyms:2-Benzothiazolecarbonylhydrazine;NSC 521678

Chemical Property of 1,3-Benzothiazole-2-carbohydrazide

Chemical Property:

• Melting Point: 177-179°
• Boiling Point: °Cat760mmHg
• PKA: 11.31±0.30(Predicted)
• Flash Point: °C
• PSA: 96.25000
• Density: 1.444g/cm³
• LogP: 1.99100

Purity/Quality:

99%, ^*data from raw suppliers

1,3-Benzothiazole-2-carbohydrazide ^*data from reagent suppliers

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

SDS file from LookChem

Useful:

Technology Process of 1,3-Benzothiazole-2-carbohydrazide

There total 3 articles about 1,3-Benzothiazole-2-carbohydrazide 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: 91.0%

benzothiazole-2-carboxylic acid ethyl ester (32137-76-1) → 1,3-benzothiazole-2-carbohydrazide (28891-34-1)

Guidance literature:

With hydrazine hydrate; at 20 ℃; for 0.166667h;

DOI:10.1016/j.bioorg.2020.104259

Reference yield:

2-amino-benzenethiol (137-07-5) → 1,3-benzothiazole-2-carbohydrazide (28891-34-1)

Guidance literature:

Multi-step reaction with 2 steps

2: ethanol; N₂H₄+H₂O

With ethanol; hydrazine hydrate;

DOI:10.1021/jo01103a029 DOI:10.1021/ja01104a046

Reference yield:

→ 1,3-benzothiazole-2-carbohydrazide (28891-34-1)

Guidance literature:

upstream raw materials:

benzothiazole-2-carboxylic acid ethyl ester

2-amino-benzenethiol

Downstream raw materials:

N-benzenesulfonyl-N'-(benzothiazole-2-carbonyl)-hydrazine

1-(2-Benzothiazolcarbonyl)-2-formylhydrazin

benzothiazole-2-carboxylic acid N'-benzoyl-hydrazide

1-(benzothiazole-2-carbonyl)-4-phenyl-semicarbazide

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