The Nicolaou Synthesis of (+)-Vannusal
Chemexpress The correct assignment of relative configuration for portions of a complex structure that are remote one from another can present substantial difficulties. PMID:25269910 This was brought home in the course…
The Shair Synthesis of Cephalostatin 1
The cephalostatins and ritterazines, represented by Cephalostatin 1 (3), have the remarkable property of inducing apoptosis in apoptosis-resistant malignant cell lines. Methyl 2-formyl-4-hydroxybenzoate manufacturer The total synthesis (J. Am. Chem.…
The Trost Synthesis of (-)-Pseudolaric Acid B
(-)-Pseudolaric Acid B (3), isolated from the bark of the golden larch Pseudolarix kaempferi, shows potent antifungal activity. A key step in the total synthesis of 3 described (J. Am.…
The Nakada Synthesis of (-)-FR182877
The Streptomyces metabolite (-)-FR182877 (3) binds to and stabilizes microtubules, showing the same potency of anticancer activity as Taxol. Masahisa Nakada of Waseda University assembled (Angew. PMID:24635174 Chem. Int. Ed.…
Stereocontrolled Carbocyclic Construction: (-)-Mintlactone (Bates), (-)-Gleenol (Kobayashi), (-)-Vibralactone
C (Snider) Nigel S. Simpkins, now at the University of Birmingham, found (Chem. Commun. 2008, 5390. DOI: 10.1039/b810441g) that the prochiral cyclopropane amide 1 could be deprotonated to give, after…
Alkaloid Synthesis: Crispine A (Zhou), Cermizine C (Zhang), Tangutorine (Poupon), FR901483 (Kerr), Serratezomine A (Johnston)
Enantioselective hydrogenation of enamides is a well-established transformation. The corresponding reduction of enamines has been elusive. Qi-Lin Zhou of Nankai University designed (J. Am. Chem. Soc. 2009, 131, 1366. DOI:…
Ed myocardium of your spontaneously hypertensive rats (SHR), there was an
Ed myocardium with the spontaneously hypertensive rats (SHR), there was an increased activation of NHE1 and NHE1 inhibition lowered cardiac hypertrophy and interstitial fibrosis . Transgenic mice expressing activated NHE1…
Nce of LDL(-) in the LDL fraction of Ldlr-/-
Nce of LDL(-) inside the LDL fraction of Ldlr-/- mice was confirmed by physical chemical and antigenic characteristics. Macrophage viability. The MTT assay showed that cell viability was not impacted…
Selective Reactions of Alkenes
Fabio Doctorovich of the Universidad de Buenos Aires reported(J. Org. 201929-84-2 Chemscene Chem. 2008, 73, 5379DOI: 10.1021/jo800302v)that hydroxylamine in the presence of an Fe catalyst reduced alkenes such as 1,but…
Preparation of Benzene Derivatives: The Barrett Syntheses of Dehydroaltenuene B and 15G256b
Several new methods for the direct functionalization of Ar-H have appeared. PMID:24377291 Hisao Yoshida of Nagoya University observed (Chem. Comm. 2008, 4634. DOI: 10.1039/b811555a) that under irradiation, TiO2 in water…