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Phytochemical Analysis of Some Sideritis Species of Turkey
Linearol, foliol, epicandicandiol, siderol and ent-7α,18-dihydroxy-15β,16β-epoxykaurane have been investigated for antibacterial activity test. Highest activity of epicandicandiol has been determined
Ent-kaurene Diterpenoids from Sideritis lycia with Antiviral and Cytotoxic Activities
The genus Sideritis (Lamiaceae) is represented by 45 species (54 taxa) in Anatolia with high endemism ratio (74%), and Turkey is one of the gene centers of the genus along with Spain. Acetone extract
X-ray analysis of sideroxol from Sideritis leptoclada
Sideroxol (1), a kaurane diterpene which has the ent-7α,18-dihydroxy-15β,16β-epoxykaurane structure (MW = 320.47, C20H32O3) was obtained from the acetone extract of Sideritis leptoclada plant as well
A seven-membered-ring allene dimer: synthesis of 1,2-benzo-1,3,4-cycloheptatriene and attempted synthesis of 1,2-benzo-1,4,5-cycloheptatriene
7,7-Dibromo-3,4-benzobicyclo[4.1.0]heptane (6) and 7,7-dibromo-2,3-benzobicyclo[4.1.0]heptane (14) have been synthesized and their silver ion-catalyzed reactions studied. Hydroxy alcohol 7a was
Ent-Kaurene Diterpenes from Sideritis Athoa
Abstract Two new and six known ent-kaurene diterpenes were isolated from the whole plant of Sideritis athoa and their structures were elucidated as ent-3α, 18-dihydroxykaur-16-ene (1), athonolone
A NEW AND SHORT SYNTHESIS OF 7 H-BENZO[a]CYCLOHEPTEN-7-ONE AND SOME DERIVATIVES: OXIDATION OF 7-BROMO-5H-BENZO[a]CYCLOHEPTENE
Oxidation of 7-bromo-5H-benzo[a]cycloheptene with some oxidation reagents has been studied. Several 2,3- and 4,5-benzotropone derivatives has been obtained. The structures of the products were
tert-Butyl 3a-chloro-2-methylperhydro-2,6a-epoxyoxireno[e]isoindole-5-carboxylate
The intramolecular Diels–Alder (IMDA) reaction of furans is a widely utilized synthetic strategy among synthetic organic chemists (Lipshutz, 1986). This versatile tool is used in ring formation for
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