beta-Isovalerolactam

Base Information

• Chemical Name: beta-Isovalerolactam
• CAS No.: 4879-95-2
• Molecular Formula: C5H9NO
• Molecular Weight: 99.1326
• Mol file: 4879-95-2.mol

Synonyms:4,4-Dimethyl-2-azetidinone;4,4-Dimethylazetidin-2-one;

Chemical Property of beta-Isovalerolactam

Chemical Property:

• Melting Point: 166-172 °C
• Boiling Point: 212.1 °C at 760 mmHg
• PKA: 15.99±0.40(Predicted)
• Flash Point: 107.8 °C
• PSA: 29.10000
• Density: 0.972 g/cm³
• LogP: 0.61370
• Storage Temp.: Sealed in dry,Store in freezer, under -20°C

Purity/Quality:

98%min ^*data from raw suppliers

4,4-Dimethylazetidin-2-one 95% ^*data from reagent suppliers

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

SDS file from LookChem

Useful:

Technology Process of beta-Isovalerolactam

There total 2 articles about beta-Isovalerolactam 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: 75.0%

3-amino-3-methylbutanoic acid (625-05-8) → 4,4-dimethyl-azetidin-2-one (4879-95-2)

Guidance literature:

With tetrachloromethane; triethylamine; triphenylphosphine; In acetonitrile; at 80 ℃; for 6h;

Reference yield:

1-benzoyl-4,4-dimethyl-azetidin-2-one (715-27-5) → 4,4-dimethyl-azetidin-2-one (4879-95-2) + methyl 3-benzoylamino-3-methylbutanoate (74720-09-5)

Guidance literature:

With tetramethlyammonium chloride; In methanol; at 10 - 15 ℃; for 2h; electrolysed at 0.25 A and 9 V;

Reference yield:

4,4-dimethyl-azetidin-2-one (4879-95-2) → 2,2-dimethylaziridine (2658-24-4) + propene (187737-37-7,13987-01-4,15220-87-8,9003-07-0,676-63-1,25085-53-4) + ethane (74-84-0) + Isobutane (75-28-5,40921-86-6) + carbon monoxide (201230-82-2) + isobutene (115-11-7,15220-85-6)

Guidance literature:

at 149.9 ℃; under 28.5 Torr; Product distribution; Quantum yield; Mechanism; Irradiation; mercury-photosensitized decomposition; other pressures (640 - 5000 Pa), different light intensities;

DOI:10.1246/bcsj.63.2911

upstream raw materials:

1-benzoyl-4,4-dimethyl-azetidin-2-one

3-amino-3-methylbutanoic acid

Downstream raw materials:

3-amino-3-methylbutanoic acid

2,2-dimethylaziridine

propene

ethane

Refernces

• 1、 Kim, Sunggak,Chang, Suk Bok,Lee, Phil Ho. "A NEW CONVENIENT METHOD FOR β-LACTAM FORMATION FROM β-AMINO ACIDS USING BIS(5'-NITRO-2'-PYRIDYL) 2,2,2-TRICHLOROETHYL PHOSPHATE". . p. 2735 - 2736. Retrieved 2007/10/02.