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Isolation and structure of mammea A/BA, A/AB and A/BB: A group of 4-aryl-coumarin extractives of mammea americana L.

✍ Scribed by L. Crombie; D.E. Games; A. McCormick

Book ID
104211927
Publisher
Elsevier Science
Year
1966
Tongue
French
Weight
179 KB
Volume
7
Category
Article
ISSN
0040-4039

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✦ Synopsis

TRK 4-phenyl coumarins mammeisin (I)' and -e&gin (II)' have been reported in the rind and seed-oil respectively of M.ammsa americana L. Continuing our investigation of the fresh seeds ve have isolated three nev 4-phenyl coumarins, mammea A/M, colourless needles q .p. 12.5-126' (III), mammea A/AR, yellow needles m.p. 107-108Β° (IV), pyrrmsa A/BBS colourless needles m.p. 124-125' (VI, together with wmneisin (A/M), yellow needles, and mwmneigin (A/A cycle D), yellov needles.* Ths three new coumarins are isomeric with mammea A/AA, C H 0 (accurate mass

πŸ“œ SIMILAR VOLUMES

Isolation and structure of mammea b/ba,
Isolation and structure of mammea b/ba, b/bb, b/bc and c/bb: A group of 4-n-propyl- and 4-n-amyl-coumarin extractives of mammea americana L.
✍ L. Crombie; D.E. Games; A. McCormick πŸ“‚ Article πŸ“… 1966 πŸ› Elsevier Science 🌐 French βš– 245 KB

PREVIOUS investigators' have reported the occurrence of a 4-alkylatedcoumarin, mammein (I), in the seeds of the insecticide-bearing plant Mammea americana L. (Guttiferae).\* A combination of column, thick-layer and thin-layer chromatography has now led to the isolation of four 4-alkyl-