Simple 1, 3-dienes undergo highly stereoselective hetero-Diels–Alder additions with SO2 at
low temperature giving sultines. These reactions that are faster than the more exothermic …

Despite the prevalence of the NH aziridine motif in bioactive natural products and the clear
advantages of this unprotected parent structure over N-protected derivatives as a synthetic …

Chemotherapy and radiation are unable to eliminate all cancer cells, particularly apoptosis‑
resistant cancer cells, despite their ability to kill cancer cluster cells. Thus, it is important to …

Tris (triphenylphosphine) cuprous chloride [Cu (PPh3) 3Cl] has been found to be an efficient
catalyst for the dehydrosilylation of carboxylic acids with silanes. In the presence of 4 mol …

A novel synthetic approach to (±)-Z-recifeiolide 6, a 12-membered-ring lactone which can be
selectively isomerized into (E)-recifeiolide, a natural antibiotic product isolated from fungus …

Sample preparation is still considered the most time-consuming and error-prone step within
the analytical process in many research fields. This is particularly true in food and …

GC is restricted to analytes that can be transferred into the gas phase without thermal
decomposition. An approach to increase the volatility, thermal stability, and chromatographic …

O presente trabalho de doutorado relata os esforços realizados que viabilizaram a síntese
total do alcaloide indólico (+)-raputindol A. Na análise retrossintética da primeira estratégia …

US9376385B2 - Solid-phase supports and uses thereof - Google Patents US9376385B2 -
Solid-phase supports and uses thereof - Google Patents Solid-phase supports and uses …

Chemoselective isolation of aliphatic hydroxyl group-con taining and aromatic hydroxyl
group-containing compounds is accomplished via formation of polymeric siloxyl ethers …