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ChemicalBook CAS DataBase List L(-)-Carvone
6485-40-1

L(-)-Carvone synthesis

5synthesis methods
Carvone occurs in the dextro, levo and racemic form; l-carvone can be isolated from the essential oil of spearmint or is commercially synthesized from d-limonene; d-carvone is usually prepared by fractional distillation of oil of caraway, also from dillseed and dillweed oils, but this type differs in odor and flavors.
-

Yield:-

Steps:

Multi-step reaction with 2 steps
1: 1.) CuCN / 1.) THF, hexane, -78 deg C, 30 min, 2.) THF, hexane, -78 deg C, 30 min
2: 1,8-diazabicyclo<5.4.0>undec-7-ene / CH2Cl2 / 24 h / Ambient temperature

References:

Hareau, Georges P.-J.;Koiwa, Masakazu;Hikichi, Shinichi;Sato, Fumie [Journal of the American Chemical Society,1999,vol. 121,# 15,p. 3640 - 3650]

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