Ketone, methyl 3-methyl-5-isothiazolyl (7CI)

Base Information

• Chemical Name: Ketone, methyl 3-methyl-5-isothiazolyl (7CI)
• CAS No.: 90724-49-5
• Molecular Formula: C₆H₇NOS
• Molecular Weight: 141.194
• Hs Code.: 2934999090
• Mol file: 90724-49-5.mol

Synonyms:Ketone, methyl 3-methyl-5-isothiazolyl (7CI)

Chemical Property of Ketone, methyl 3-methyl-5-isothiazolyl (7CI)

Chemical Property:

• PSA: 58.20000
• LogP: 1.65410

Purity/Quality:

99% ^*data from raw suppliers

1-(3-Methyl-isothiazol-5-yl)-ethanone 95%+ ^*data from reagent suppliers

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

Useful:

Technology Process of Ketone, methyl 3-methyl-5-isothiazolyl (7CI)

There total 7 articles about Ketone, methyl 3-methyl-5-isothiazolyl (7CI) 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:

3-(3-methyl-isothiazol-5-yl)-3-oxo-propionic acid ethyl ester (91004-78-3) → 3-Methyl-5-acetyl-isothiazol (90724-49-5)

Guidance literature:

With hydrogenchloride; In 1,4-dioxane; Heating;

DOI:10.1039/jr9630002032

Reference yield:

3-methyl-5-isothiazolecarboxylic acid (66975-83-5) → 3-Methyl-5-acetyl-isothiazol (90724-49-5)

Guidance literature:

Multi-step reaction with 4 steps

1: SOCl₂

3: NaOEt / toluene / Heating

4: aq. HCl / dioxane / Heating

With hydrogenchloride; thionyl chloride; sodium ethanolate; In 1,4-dioxane; toluene;

DOI:10.1039/jr9630002032

Reference yield:

3-methyl-isothiazole-5-carbonitrile (57352-00-8) → 3-Methyl-5-acetyl-isothiazol (90724-49-5)

Guidance literature:

Multi-step reaction with 6 steps

1: LiAlH₄ / methanol; diethyl ether / 0 °C

2: aq. KOH

3: SOCl₂

5: NaOEt / toluene / Heating

6: aq. HCl / dioxane / Heating

With hydrogenchloride; potassium hydroxide; lithium aluminium tetrahydride; thionyl chloride; sodium ethanolate; In 1,4-dioxane; methanol; diethyl ether; toluene;

DOI:10.1039/jr9630002032

upstream raw materials:

methyl magnesium iodide

3-methyl-isothiazole-5-carbonitrile

3-(3-methyl-isothiazol-5-yl)-3-oxo-propionic acid ethyl ester

3-methyl-5-isothiazolecarboxylic acid