Web3 Apr 2024 · We postulate that substrate generality in asymmetric catalysis is rare not simply because it is intrinsically difficult to achieve, but also because of the way chiral … WebWe postulate that substrate generality in asymmetric catalysis is rare not simply because it is intrinsically difficult to achieve, but also because of the way chiral catalysts are …
On the Topic of Substrate Scope Organic Letters
Web1 Apr 2024 · The main advantages of this protocol are operational simplicity, mild reaction conditions, high yields in short reaction time and good substrate generality. In the present paper, we report l-ascorbic acid (vitamin C) as an efficient and robust catalyst for the straightforward synthesis of various organic compou Web4 Apr 2024 · In this approach, a substrate loaded with an amine component was exposed to a vapor phase aldehyde component, H 2 O, and acetic acid at 140 °C inside the CVD system to form the 2D COF film directly on the substrate. With the exception of highly oriented pyrolytic graphite, this method yields a COF film with a random orientation of pores on … laulutyylit
Organophotoredox-Catalyzed Sulfurization of Alkenes and Alkynes …
Web13 Apr 2024 · Therefore, following optimal conditions were used to survey the substrate generality: A1 (0.2 mmol) was treated with B1 (0.2 mmol) ... Web28 Apr 2024 · Substrates bearing a range of functionalities, including phenols, aldehydes, aryl chlorides, and β-alcohols, performed notably better with the additive. In aggregate, … Web17 Dec 2009 · The chemical features, such as substrate stability, product distribution, and substrate generality, and the reaction mechanism of Brønsted superacid-catalyzed cyclization reactions of aromatic ring-containing acetoacetates (β-ketoesters) were examined in detail. While two types of carbonyl cyclization are possible, i.e., keto … laulutuokiot lapsille