Detail of "24394-09-0"

CAS Number:
24394-09-0
Name:
Butanoic acid,3,4-dihydroxy-2-methylene-,(3aR,4S,6E,10Z,11aR)-2,3,3a,4,5,8,9,11a-octahydro-10-(hydroxymethyl)-6-methyl-3-methylene-2-oxocyclodeca[b]furan-4-ylester, (3R)-
Molecular Structure:
Formula:
C20H26 O7
Synonyms:
Butanoicacid, 3,4-dihydroxy-2-methylene-,2,3,3a,4,5,8,9,11a-octahydro-10-(hydroxymethyl)-6-methyl-3-methylene-2-oxocyclodeca[b]furan-4-ylester, [3aR-[3aR*,4S*(R*),6E,10Z,11aR*]]-; Cnicin (7CI);Germacra-1(10),4,11(13)-trien-12-oic acid, 6a,8a,15-trihydroxy-, 12,6-lactone, 8-(3,4-dihydroxy-2-methylenebutyrate),(Z,E)- (8CI); Butyric acid, 3,4-dihydroxy-2-methylene-, 8-ester with 6a,8a,15-trihydroxygermacra-1(10),4,11(13)-trien-12-oicacid g-lactone (8CI);Cyclodeca[b]furan, butanoic acid deriv.; (+)-Cnicin

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Molluscicidal activity of sesquiterpene lactones: Molluscicidal activity of sesquiterpene lactones. Marchant, Y. Yoke; Balza, F.; Abeysekera, B. F.; Towers, G. H. N. (Dep. Bot., Univ. British Columbia, Vancouver, BC V6T 2B1, Can.). Biochem. Syst. Ecol., 12(3), 285-6 (English) 1984. CODEN: BSECBU. ISSN: 0305-1978. DOCUMENT TYPE: Journal CA Section: 5 (Agrochemical Bioregulators) Eleven sesquiterpenes [helenalin (I) [6754-13-8], pyrethrosin (II) [28272-18-6], damsin [1216-42-8], coronopilin [2571-81-5], ilicic acid [4586-68-9], millefin [39262-27-6], parthenin [508-59-8], bipinnatin [33649-13-7], ivalin [5938-03-4], ivasperin [5956-43-4], and cnicin [24394-09-0]] were examd. as potential molluscicides against the planorbid snail Biomphalaria havanensis, a known vector of Schistosoma mansoni. The most potent compd. was I (100% mortality at 10 ppm in 24 h) followed by II.

Molecular mechanics calculations on lactones; an interpretation of the preferential C-8 relactonization of germacranolides containing C-6 and C-8 lactonizable: Molecular mechanics calculations on lactones; an interpretation of the preferential C-8 relactonization of germacranolides containing C-6 and C-8 lactonizable .alpha.-oxygen functions.Several substances are used for example 24394-09-0 and 60046-93-7 which are their cas registry numbers. Guy, Michael H. P.; Sim, George A.; White, David N. J. (Chem. Dep., Univ. Glasgow, Glasgow, Scot.). J. Chem. Soc., Perkin Trans. 2, (15), 1917-20 (English) 1976. CODEN: JCPKBH. DOCUMENT TYPE: Journal CA Section: 30 (Terpenoids) Section cross-reference(s): 22 Germacranolides contg. lactonizable .alpha.-oriented O functions at C-6 and C-8 preferentially relactonize at C-8; this is interpreted in terms of free energy differences between C-6-C-7 and C-7-C-8 trans-fused lactones. The energy differences were estd. using mol. mechanics calcns. to reproduce the free energy differences between pairs of substituted .gamma.-butyrolactones. .