P-Methylcinnamic acid

Methyl n-amyl carbinol. 247, 254 Methyl n-amyl ketone, 482 Methylaniline (mono), pure, from commercial methylaniline, 562, 570 P-Methylanthraquinone, 728, 740 Methyl benzoate, 780, 781 p-Methyl benzyl alcohol, 811,812 Methyl benzyl ketone, 727, 735 Methyl y-bromocrotonate, 926, 927 2-Methyl-2-butene, 239 Methyl n-butyl carbinol, 247,255 Methyl n-butyl ether, 314 Methyl n-butyl ketone, 475, 481 4-Methylcarbostyril, 855 p-Methylcinnamic acid, 719 4-Methylcoumarin, 853, 854 Methyl crotonate, 926, 927 Methylethylacetic acid, 354, 358 Methylethylethynyl carbinol, 468 Methyl ethyl ketone, 335, 336 purification of, 172 Methyl n-hexyl ether, 314 Methyl n-hexyl ketone, 335, 336 Methyl n-hexyl ketoxime, 348 Methyl hydrogen adipate, 938 Methyl hydrogen sebacate, 938,939 4-Methyl-7-hydroxycoumarin, 834 Methyl iodide, 287 Methyl isopropyl carbinol, 247,255 Methyl 4-keto-octanoate, 936... 

Cognate preparations. p-Methylcinnamic acid. From p-tolualdehyde heat for 6 hours. Recrystallise from glacial acetic acid m.p. 198 °C. Yield 87 per cent. 

C10H9NO3 5-methoxyindole-2-carboxylic acid 4382-54-1 27.50 1.2860 2 19122 Cl OH1002 p-methylcinnamic acid 1866-39-3 27.69 1.0799 2... 

Dihydroxy-5-propionyl-P-methylcinnamic acid. 3-[2,4-Dihydroxy-5-(l-oxopropyl)-phenyl]-3-methyl-2-propenoic acid (E), 1882... 

In 2001, Bortolini, Fogagnolo, and coworkers reported the epoxidation of cinnamic acid derivatives using bile acid based ketones [93, 94]. As shown in Scheme 3.57, up to 95 % ee was obtained for p-methylcinnamic acid with ketone 77a [94]. Studies with various ketone analogues showed that the epoxidation could be significantly influenced by the substituents at C-7 and C-12 of the bile acid [94]. 

In 2001, Bortolini used keto bile acids 431 which epoxidized p-methylcinnamic acid in good yields (45-94%) and high ee s (26-95%) (Fig. 7.24) [300, 301]. 

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