Detail of "751-03-1"

CAS Number:
751-03-1
Name:
Oxireno[4,4a]-2-benzopyrano[6,5-g][2]benzoxepin-3,5,9(3aH,4bH,6H)-trione,1-(3-furanyl)-1,6a,7,11a,11b,12,13,13a-octahydro-4b,7,7,11a,13a-pentamethyl-,(1S,3aS,4aR,4bR,6aR,11aR,11bR,13aS)-
Superlist Name:
Obacunone
Molecular Structure:
Formula:
C₂₆H₃₀O₇
Molecular Weight:
454.51
Synonyms:
Obacunoicacid, e-lactone;Obacunone (6CI,7CI);Oxireno[4,4a]-2-benzopyrano[6,5-g][2]benzoxepin-3,5,9(3aaH,4bH,6H)-trione, 1a-(3-furyl)-1,6aa,7,11a,11ba,12,13,13a-octahydro-4bb,7,7,11ab,13aa-pentamethyl- (8CI);14,15:21,23-Diepoxy-4,4,8-trimethyl-A,D-dihomo-24-nor-4,17-dioxachola-1,20,22-triene-3,7,16-trione;Obacunoic acid 3,4-lactone;Tricoccin S3;[1S-(1a,3aa,4aS*,4bb,6aa,11ab,11ba,13aa)]-1-(3-Furanyl)-1,6a,7,11a,11b,12,13,13a-octahydro-4b,7,7,11a,13a-pentamethyloxireno[4,4a]-2-benzopyrano[6,5-g][2]benzoxepin-3,5,9(3aH,4bH,6H)-trione;
Density:
1.322 g/cm³
Boiling Point:
626.2 °C at 760 mmHg
Flash Point:
332.514 °C
Appearance:
White powder

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Preparative high-performance liquid chromatography of bitter and nonbitter citrus limonoids: Preparative high-performance liquid chromatography of bitter and nonbitter citrus limonoids. Rouseff, Russell L. (Sci. Res. Dep., Florida Dep. Citrus, Lake Alfred, FL 33850, USA). Semiochem.: Flavors Pheromones, Proc. -- Am. Chem. Soc. Symp., Meeting Date 1983, 275-84. Edited by: Acree, Terry E.; Soderlund, David M. de Gruyter: Berlin, Fed. Rep. Ger. (English) 1985. CODEN: 53PNAU. DOCUMENT TYPE: Conference CA Section: 17 (Food and Feed Chemistry) Grapefruit seeds were extd. with petroleum ether, and the limonoids were extd. with CHCl3, purified with CH2Cl2 and iso-Pr alc., and sepd. by HPLC on PrepPAK silica columns with CHCl3-EtOAc () as the mobile phase. Obacunone [751-03-1], nomilin [1063-77-0], and limonin [1180-71-8] were sepd., and could be used as stds. in taste tests of citrus juices for bitterness.

Studies on limonoid insect antifeedants: Studies on limonoid insect antifeedants. Hassanali, A.; Bentley, M. D.; Ole Sitayo, E. N.; Njoroge, P.Chemicals with cas numbers 81279-34-7 and 1180-71-8 also play role. E. W.; Yatagai, M. (Int. Cent. Insect Physiol. Ecol. (ICIPE), Nairobi, Kenya). Insect Sci. Its Appl., 7(4), 495-9 (English) 1986. CODEN: ISIADL. ISSN: 0191-9040. DOCUMENT TYPE: Journal CA Section: 5 (Agrochemical Bioregulators) Section cross-reference(s): 11, 30 Limonin [1180-71-8], deoxylimonin [989-23-1], citrolin [987-99-5], obacunone [751-03-1], harrisonin [62026-30-6] and acetoxyharrisonin [81279-34-7] were assayed as potential antifeedants against the African crop pests, Spodoptera exempta, Eldana saccharina and Maruca testulalis. Even at the highest applied concn., limonin, deoxylimonin, citrolin and acetoxyharrisonin were not active against S. exempta. At high concns., obacunone and harrisonin were mildly active in S. exempta assays. Harrisonin and obacunone displayed potent activity against E. saccharina and M. testulalis. .