Tetrahedron Letters p. 4123 - 4124 (1994)
Update date:2022-08-05
Topics:
Takahata, Hiroki
Ushida, Yasuhiro
Momose, Takefumi
A new entry to chiral butenolide synthons starting with iodolactonization of the readily available, homochiral N-benzyl-N-methyl-3-hydroxy-4-pentenamide (1) and its application to the syntheses of (+)-nephrosteranic acid (5), (+)-trans-whisky lactone (6), and (+)-trans-cognac lactone (7) are described.
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