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2- - 2-alkenoate 2-alkenyl ester 4-alkenoic acid

Metal-catalysed ring-opening reactions of lactones can be useful in synthesis. For example, a one-pot procedure for the formation of (Z)-4-alkenoic acids, the esters of which are components of various perfumes and flavours, relies on the cis nature of addition of dialkylcuprates to acetylenes to afford (Z)-alkenyl-cuprates. These cuprates induce ring opening of -propiolactone in a regioselec-tive manner by alkyl oxygen fission to give the desired compounds in excellent yield. ... [Pg.215]

See other pages where 2- - 2-alkenoate 2-alkenyl ester 4-alkenoic acid is mentioned: [Pg.2005]    [Pg.2109]    [Pg.2109]    [Pg.2109]    [Pg.2154]    [Pg.2361]    [Pg.2381]    [Pg.2416]    [Pg.2446]    [Pg.2005]    [Pg.2005]    [Pg.2108]    [Pg.2109]    [Pg.2109]    [Pg.2109]    [Pg.2127]    [Pg.2154]    [Pg.2169]    [Pg.2188]    [Pg.2323]    [Pg.2361]    [Pg.2381]    [Pg.2416]    [Pg.2446]    [Pg.1230]    [Pg.2326]    [Pg.2377]    [Pg.2377]    [Pg.2498]    [Pg.2003]    [Pg.2386]   
See also in sourсe #XX -- [ Pg.1855 ]

See also in sourсe #XX -- [ Pg.1855 ]



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4- Alkenoic acids

Alkenyl ester

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