Synthesis of ?-keto acids via azlactones of 2-(acylamino)-3-alkyl(or aryl)acrylic acids, and a new synthesis of 3-methyl-2-oxovaleric acid
1958 ◽
Vol 6
(12)
◽
pp. 1508-1510
1984 ◽
Vol 49
(16)
◽
pp. 2857-2863
◽
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