Glossary entry

English term or phrase:

2′-angeloyl–3′-isovaleryl vaginate, heraclenol–2′-O-senecioate

French translation:

vaginate de 2′-angélyl–3′-isovaléryle, 2′-O-sénecioate d'héraclénol

Added to glossary by Patricia Farant
Jul 17, 2006 07:26
18 yrs ago
English term

2′-angeloyl–3′-isovaleryl vaginate, heraclenol–2′-O-senecioate

English to French Science Chemistry; Chem Sci/Eng
Coumarins
Over 20 furanocoumarins, including angelicin, archangelicin, bergapten, isoimperatorin and xanthotoxin.(1,G2) Also the coumarins osthol (major constituent in rhizome/root, 0.2%) and umbelliferone.(G2) The root also contains the furanocoumarins 2′-angeloyl–3′-isovaleryl vaginate,(2) heraclenol–2′-O-senecioate and heraclenol–2′-O-isovalerate.(3)
Volatile oils
0.35–1.3% in root and fruit. 80–90% monoterpenes, including α- and β-phellandrene, α- and β-pinene, sabinene, α-thujene, limonene, linalool, borneol(1,4) and four macrocyclic lactones.

Proposed translations

4 days
Selected

vaginate de 2′-angélyl–3′-isovaléryle, 2′-O-sénecioate d'héraclénol

Voici les noms (à mon avis) de ces deux furanocoumarines.

Qqs précisions :

- Le groupe angélyle est celui qui caractérise l'acide angélique (angelic acid).
- Idem pour valéryle --> ac. valérique (ac. carbox. en C5).
- sénecioate : ester dérivé de l'acide sénecioïque (senecioic acid), un acide carboxylique de formule (CH3)2C=C(H)COOH
provenant du Séneçon (e.g. Senecio triangularis). Notez qu'il faut un seul é.

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Note added at 4 days (2006-07-21 17:42:56 GMT)
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Ci-après une réf. sur le groupe angélyle :
http://pubs.nrc-cnrc.gc.ca/cgi-bin/rp/rp2_abst_e?cjc_v83-435...

Notez la double accentuation "sénéc-" qui est erronée.
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