Ivorensic acid

Isodocarpin, T33 Isodonal, T33 Ivorensic acid, T52 tate, T39 Laudanosine, K3... 

Cassane and Miscellaneous Tricyclic Diterpenoids.—A group of furanoid diterpenoids, related to the caesalpins, has been isolated from Pterodon emargina-and P. pubescens. They include compounds (39—42). Some further diterpene alkaloids of the cassaic acid class have been isolated from Erythro-phleum ivorense. 

This is still a very small group. The original member, methyl ivorensate (57), is found in small amount in Khaya ivorensis 14) and was synthesised by oxidation of methyl angolensate with perbenzoic acid (75). It has... 

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