A series of binol- and H 8 -binol-based phosphoric acids have for the first time been
evaluated for their ability to catalyze Biginelli reactions of aldehydes, thiourea or urea, and β-keto …

A variety of organocatalysts for the asymmetric direct aldol reactions of ketones with α-keto
acids were designed on the basis of molecular recognition and prepared from proline and …

A new rhodium-catalyzed highly enantioselective nitroallylation of 2-nitrocyclohex-2-enol
esters with arylboronic acids is described. A rhodium complex of [RhOH(COD)] 2 and optically …

Direct aldol reactions of aldehydes with methylthio- and fluoroacetone catalyzed by proline
amides have been investigated. l-Prolinamide 5e was found to be the best catalyst. Under …

Highly enantioselective rhodium‐catalyzed nitroallylations of arylboronic acids and arylzinc
chlorides with cyclic nitroallyl acetates are described. Catalyst screening indicated that the …

Herein we present a new example of coordination-mediated resolution of racemic acids by
a chiral acid. The reaction of copper(II) acetate monohydrate, optically pure O,O′-…

Objective To explore the methods and experience of the single-nostril transsphenoidal
approach for treating pituitary adenomas. Methods We retrospectively analyzed 46 patients who …

Abstract: α-lactose hydrate is an important hydrate, and the effect of its bound water on the
structure of lactose molecule has been one of the hot topics in the related fields. By setting the …

The Matoushan copper-gold deposit is located in the Kangding-Jinping mountain metallogenic
concentration area. It is located in the junction of the Jinping-kangding-Shuicheng fault. It …

The evaluation of the internal defects in high-voltage cross-linked polyethylene cables is
highly crucial for the security and reliability of power transmission. Here, a terahertz (THz) …