Synthesis of δ-eicosanolactone and δ-docosanolactone directly from meadowfoam oil
✍ Scribed by Terry A. Isbell; Steven C. Cermak
- Book ID
- 107490129
- Publisher
- Springer-Verlag
- Year
- 2001
- Tongue
- English
- Weight
- 91 KB
- Volume
- 78
- Category
- Article
- ISSN
- 0003-021X
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The !3C-NMR spectra of six oils containing petroselinic acid (carrot, celery, parsnip, parsley, caraway, and coriander), of aquilegia oil containing columbinic acid (18:3 5t9c12c), and of meadowfoam oil (Limnanthes alba) containing other A5 acids are reported and discussed. The signals have been ass
## Abstract A novel and general synthesis of δ‐lactones from glutaraldehyde is described. The dialdehyde is first reacted with an alkyl or substituted alkyl __Grignard__ reagent to afford a δ‐hydroxyaldehyde in good yield. These aldehydes exist preferentially in the cyclic hemiacetal form (δ‐lactol