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2-Isopropyl-3-methoxy-5-methylpyrazine

Isopropyl-3-methoxy-5-methylpyrazine gave 2-isopropyl-3-methoxy-5-[3-(pyran-2-yloxy)propyl]pyrazine (289) [2-(3-bromopropoxy)pyran, PT2NK (made in situ), THF, A, -78°C, 3 h 83%] 298 also analogues likewise.295,298... [Pg.123]

Galbanum Ferula gummosa (-)-/3-Pinene, (3E,5Z)-1,3,5-undecatriene (77), 2-methoxy-3-isopropyl-5-methylpyrazine(78) 95,96... [Pg.610]

Alkyl-2-methoxypyrazines exhibit a base peak at miz 124 in the mass spectrum. The peak corresponds to a molecular ion in 2-methoxy-3-methylpyrazine (24a) and to a fragment ion, resulting from a McLafferty rearrangement of an alkyl group, in 3-isopropyl-2-methoxypyrazine (24b) and 3-5cc-butyl-2-methoxy pyrazine (24d) (97). [Pg.285]

See other pages where 2-Isopropyl-3-methoxy-5-methylpyrazine is mentioned: [Pg.434]    [Pg.434]    [Pg.103]    [Pg.103]    [Pg.434]    [Pg.434]    [Pg.435]    [Pg.175]    [Pg.434]    [Pg.434]    [Pg.435]    [Pg.146]   


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