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(E)-7-phenyl-2-heptene-4,6-diyn-1-ol from Bidens pilosa as a repellent against isopods.
Ishida M, Yamaji Y, Isoda W, Abe H, Sato M, Kariya K, Ishihara A, Tebayashi SI, Sato SU. Ishida M, et al. Biosci Biotechnol Biochem. 2023 Jul 24;87(8):833-838. doi: 10.1093/bbb/zbad060. Biosci Biotechnol Biochem. 2023. PMID: 37169915
To develop an isopod repellent, a plant extract library from wild plants native to the Kochi Prefecture was screened for repellent activity against pillbugs, and 82 samples (87%) exhibited repellent activity. Among them, (E)-7-phenyl-2-heptene-4,6-diyn-1-ol w …
To develop an isopod repellent, a plant extract library from wild plants native to the Kochi Prefecture was screened for repellent activity …
Adducts of phenoxathiin and thianthrene cation radicals with alkenes and cycloalkenes.
Shine HJ, Zhao B, Qian DQ, Marx JN, Guzman-Jimenez IY, Thurston JH, Ould-Ely T, Whitmire KH. Shine HJ, et al. J Org Chem. 2003 Nov 14;68(23):8910-7. doi: 10.1021/jo030173h. J Org Chem. 2003. PMID: 14604362
+ClO4(-) to five trans alkenes (2-butene, 2-pentene, 4-methyl-2-pentene, 3-octene, 5-decene) and four cis alkenes (2-pentene, 2-hexene, 2-heptene, 5-decene) gave in each case a mixture of mono- and bisadducts in which the configuration of the alkene was retained. .. …
+ClO4(-) to five trans alkenes (2-butene, 2-pentene, 4-methyl-2-pentene, 3-octene, 5-decene) and four cis alkenes (2-pentene, 2-hexene, 2 …
Kinetics of radical heterolysis reactions forming alkene radical cations.
Horner JH, Bagnol L, Newcomb M. Horner JH, et al. J Am Chem Soc. 2004 Nov 17;126(45):14979-87. doi: 10.1021/ja046089g. J Am Chem Soc. 2004. PMID: 15535727
The 1,1-dimethyl-2-mesyloxyhexyl radical (4a) fragments in acetonitrile at ambient temperature with a rate constant of k(het) > 5 x 10(9) s(-1) to give the radical cation from 2-methyl-2-heptene (6), which reacts with acetonitrile with a pseudo-first-order rate c …
The 1,1-dimethyl-2-mesyloxyhexyl radical (4a) fragments in acetonitrile at ambient temperature with a rate constant of k(het) > 5 x 10(9) …
Addition of the phenoxathiin cation radical to alkenes and nonconjugated dienes. Formation of (E)- and (Z)-(10-phenoxathiiniumyl)alkenes and (E)- and (Z)-(10-phenoxathiiniumyl)dienes on basic alumina.
Zhao BJ, Shine HJ, Marx JN, Hofmann C, Whitmire KH. Zhao BJ, et al. J Org Chem. 2007 Aug 3;72(16):6154-61. doi: 10.1021/jo070898b. Epub 2007 Jun 29. J Org Chem. 2007. PMID: 17602534
The alkenes used were cis- and trans-2-butene, cis- and trans-2-pentene, cis- and trans-4-methyl-2-pentene, cis- and trans-4-octene, trans-3-hexene, trans-3-octene, trans-5-decene, cis-2-hexene, and cis-2-heptene. The erythro bisadducts (compounds 6) were obtained w …
The alkenes used were cis- and trans-2-butene, cis- and trans-2-pentene, cis- and trans-4-methyl-2-pentene, cis- and trans-4-octene, trans-3 …