1,2-Butanedione, 3,3-dimethyl-1-phenyl-

Base Information

• Chemical Name: 1,2-Butanedione, 3,3-dimethyl-1-phenyl-
• CAS No.: 7332-96-9
• Molecular Formula: C12H14O2
• Molecular Weight: 190.242
• Mol file: 7332-96-9.mol

Synonyms:3,3-Dimethyl-1-phenyl-1,2-butandion;3,3-dimethyl-1-phenyl-1,2-butanedione;1-Phenyl-3,3-dimethyl-butandion-(1,2);3,3-dimethyl-1-phenylbutane-1,2-dione;3,3-Dimethyl-1-phenyl-butan-1,2-dion;3,3-dimethyl-1-phenyl-butane-1,2-dione;

Chemical Property of 1,2-Butanedione, 3,3-dimethyl-1-phenyl-

Chemical Property:

• PSA: 34.14000
• LogP: 2.48450

Purity/Quality:

95% ^*data from raw suppliers

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

SDS file from LookChem

Useful:

Technology Process of 1,2-Butanedione, 3,3-dimethyl-1-phenyl-

There total 27 articles about 1,2-Butanedione, 3,3-dimethyl-1-phenyl- 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: 92.0%

(3,3-dimethyl-but-1-ynyl)benzene (4250-82-2) → 1-phenyl-3,3-dimethyl-1,2-butanedione (7332-96-9)

Guidance literature:

With 2,2,6,6-Tetramethyl-1-piperidinyloxy free radical; [ruthenium(II)(η⁶-1-methyl-4-isopropyl-benzene)(chloride)(μ-chloride)]₂; oxone||potassium monopersulfate triple salt; sodium hydrogencarbonate; In nitromethane; water; at 20 ℃; for 26h; Inert atmosphere;

DOI:10.1021/acs.orglett.0c01258

Reference yield: 91.0%

1-phenyl-4,4-dimethylpent-2-yn-1-one (17475-11-5) → 1-phenyl-3,3-dimethyl-1,2-butanedione (7332-96-9)

Guidance literature:

With iodine; dimethyl sulfoxide; copper(ll) bromide; In water; at 120 ℃; for 8h; Schlenk technique;

DOI:10.1002/adsc.202000066

Reference yield: 90.0%

benzoylpivaloylmethane (13988-67-5) → 1-phenyl-3,3-dimethyl-1,2-butanedione (7332-96-9)

Guidance literature:

With iodine; dimethyl sulfoxide; copper(ll) bromide; for 8h; Schlenk technique; Heating;

DOI:10.1002/ejoc.202000795

upstream raw materials:

α-hydroxy-1-neopentyl phenyl ketone

pivaloyl chloride

2,2-dimethyl-3-phenyl-2H-azirine

benzoic acid methyl ester

Downstream raw materials:

1-hydroxy-3,3-dimethyl-1-phenyl-1-(p-tolyl)butan-2-one

2-hydroxy-3,3-dimethyl-2-phenyl-butyric acid

tert-butyl benzyl ketone

2-tert-butyl-3-phenyl-quinoxaline

Refernces

• 1、 Dubovtsev, Alexey Yu.,Shcherbakov, Nikolay V.,Dar'in, Dmitry V.,Kukushkin, Vadim Yu.. "Nature of the Nucleophilic Oxygenation Reagent Is Key to Acid-Free Gold-Catalyzed Conversion of Terminal and Internal Alkynes to 1,2-Dicarbonyls". . p. 745 - 757. Retrieved 2020/02/04.
• 2、 Hu, Ming,Li, Jin-Heng,Luo, Mu-Jia,Zhou, Ming-Bo. "Palladium-Catalyzed Oxidative C≡C Triple Bond Cleavage of 2-Alkynyl Carbonyl Compounds Toward 1,2-Dicarbonyl Compounds?". . p. 553 - 558. Retrieved 2020/04/20.