نتایج جستجو برای: monocyclic monoterpenes
تعداد نتایج: 2510 فیلتر نتایج به سال:
Introduction Conclusions References
Introduction Juvenile dermatomyositis (JDM) is a rare chronic, autoimmune vasculopathic disease with mainly muscle and skin involvement. The incidence described in USA is 2.5-4.1 cases per million children; the disease is slightly more common in girls. Recent studies describe that two third of the patients followed a chronic disease course, whereas only one third showed monocyclic disease course.
The intramolecular addition of beta-ketoesters to unactivated alkynes under neutral conditions and at room temperature is described. The method employs triphenylphosphinegold(I) cation as a catalyst for the formation of exo-methylenecycloalkanes. Both monocyclic and bicyclic cyclopentanes and cyclohexanes can be formed in excellent yields and with good diastereoselectivity.
Zingiberene is a constituent of Zingiber officinale (L), structurally monocyclic sesquiterpene, and possesses immense pharmacological activity. The present attempt was aimed to utilize methanol solution zingiberene for topical application at forty-eight hours after the fourth molt fifth instared larvae silkworm, Bombyx mori (L) [Race: Double Hybrid - (CSR6 x CSR26) CSR2 CSR27)]. found significa...
Coniferous trees have both constitutive and inducible defences that deter or kill herbivores and pathogens. We investigated constitutive and induced monoterpene responses of jack pine (Pinus banksiana Lamb.) to a number of damage types: a fungal associate of the mountain pine beetle (Dendroctonus ponderosae Hopkins), Grosmannia clavigera (Robinson-Jeffrey & R.W. Davidson); two phytohormones, me...
Terpenoids, especially monoterpenes, are major aroma-impact compounds in grape and wine. Previous studies highlighted a key regulatory role for grapevine 1-deoxy-D-xylulose 5-phosphate synthase 1 (VvDXS1), the first enzyme of the methylerythritol phosphate pathway for isoprenoid precursor biosynthesis. Here, the parallel analysis of VvDXS1 genotype and terpene concentration in a germplasm colle...
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