Detail of "2096-86-8"

CAS Number:
2096-86-8
Name:
2-Propanone,1-(4-methylphenyl)-
Superlist Name:
4-Methylphenylacetone
Molecular Structure:
Formula:
C10H12 O
Molecular Weight:
148.2
Synonyms:
2-Propanone,1-p-tolyl- (8CI); 2-Propanone, p-tolyl- (7CI); (4-Methylphenyl)acetone;(p-Methylphenyl)acetone; 1-(p-Tolyl)-2-propanone; Methyl 4-methylbenzyl ketone;NSC 165796; p-Tolylacetone
Density:
0.974g/cm³
Boiling Point:
223.1°Cat760mmHg
Flash Point:
97.1°C
Safety:
Safety Statements 24/25
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Behavior of arylazo tert-butyl sulfides with ketone enolates: Behavior of arylazo tert-butyl sulfides with ketone enolates. Competition between SRN1 a-arylation and azo coupling reactions. Dell'Erba, Carlo; Novi, Marino; Petrillo, Giovanni; Tavani, Cinzia (Ist. Chim. Org.Some commonly used reagents like 132555-19-2 and 2096-86-8 are used in this experiment., CNR, Genoa 16132, Italy). Tetrahedron, 48(2), 325-34 (English) 1992. CODEN: TETRAB. ISSN: 0040-4020. DOCUMENT TYPE: Journal CA Section: 25 (Benzene, Its Derivatives, and Condensed Benzenoid Compounds) Section cross-reference(s): 28 R1N:NSCMe3 (R1 = Ph, substituted Ph, naphthyl) react, in DMSO and at room temp., with potassium enolates RC(OH):CH2 (R = Me, Me3C, Ph) to give good yields of R1CH2COR via spontaneous SRN1 darkreactions. a-Phenylation of pinacolone and acetophenone enolates by PhN:NSCMe3 likewise occurs in excellent yields. In agreement with the involvement of an electron-transfer catalyzed chain process, the reaction of 4-BrC6H4N:NCMe3 with pinacolone enolate gives mainly the bis-substitution product 1,4-(Me3CCOCH2)2C6H4. With azosulfides R1N:NSCMe3 (R1 = 2-, 4-MeC6H4, 4-Me3CC6H4, 2,4,6-Me3C6H2) the arylation pathway competes with a base-induced thiol elimination eventually leading, depending on the structure of the azosulfide to indazoles I (R2 = R3 = H, Me) and/or to 2-oxopropanal arylhydrazones. .