Mellein, 5-methyl

Melanoxin, Y5 Melianone, T51 Melittoside, T15 Mellein, 5-methyl, Y2 Mellein, Y2 Mellitoxin, T31 Meloscine, K31 p-menthane derivatives, T4-5 Menthiafolin, T13 Methofuran, Cl Menthol, A26 Menthone, Cl orrho-menthone, T16 Menthylamine, T4 Menthyl chloride, T4 Mephenesin, All Meroquinene, A32 Mesembrene, K20 Metabolite C, T17 ... 

Bidentate base. The chiral lithium amide of (S)-l has been used to generate the anion of the ethyl o-toluate 2 and as a chiral complcxing agent in reaction of the anion with acetaldehyde to give optically active mellein methyl ether (3) in 53% optical yield. Optical yields are markedly lower when a chiral base similar to 1 but lacking the OCH, group is used. 

Regan, A.C., and J. Staunton Asymmetric Synthesis of Mellein Methyl Ether Use of or//zo-Toluate Carbanions Generated by Chiral Bases. Chem. Commun. 1983, 764. 

Flight Initiation Pheromones. The mating flights of many species of carpenter ants are initiated by male mandibular gland secretions (148). These chemical stimulators of female flight appear to constitute relatively species-specific blends of compounds that are dominated by compounds such as 2,4-dimethyl -2-hexenoic acid, methyl 6-methyl salicylate (XXXIV), methyl anthranilate (XXXIX), 10-methyldodecanoic acid, and the lactone mellein (XL) (149, 150). Recently, the sex-specific blend of... 

Mellein [( )-3,4-dihydro-8-hydroxy-3-methyl-2-henzopyran-l-one, 8-hydroxy-3-methylisochroman-l-one] [1200-93-7] M 178.2, m 37-39 , 39 , pKsst 9.5. Purify it by... 

A stereospecific synthesis of both enantiomers of 8-hydroxy-3-methyl-3,4-dihydroisocoumarin, mellein, from propylene oxide has been described <97TA2153>. 

Fig. 13.7 Compounds present in male Grapholitha molesta hairpencils ethyl-tran -cinnamate (I), (-)-mellein (II), methyl-jasmonate (III), and methyl 2-epijasmonate (IV) (Baker eta/., 1981b).

Carpenter R C, Sotheeswaran S, Sultanbawa M U S, Balasubramaniam S 1980 (-)-5-Methyl-mellein and catechol derivatives from four Semecarpus species. Phytochemistry 19 445-447... 

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