Most of the natural products isolated at present are heterocyclic compounds, so heterocyclic compounds occupy an important position in the research of organic chemistry. A compound: 2343-22-8, is researched, SMILESS is FC1=CC2=C(NCC2)C=C1, Molecular C8H8FNJournal, Article, Angewandte Chemie, International Edition called Catalytic Enantioselective Intramolecular Aza-Diels-Alder Reactions, Author is Min, Chang; Lin, Chih-Tsung; Seidel, Daniel, the main research direction is secondary amine aldehyde dienophile; enantioselective intramol aza Diels Alder chiral bronsted acid catalyst; polycyclic amine stereoselective preparation; Brønsted acids; asymmetric catalysis; cycloaddition; ion pairs; organocatalysis.HPLC of Formula: 2343-22-8.
A readily available chiral Bronsted acid was identified as an efficient catalyst for intramol. Povarov reactions. Polycyclic amines containing three contiguous stereogenic centers were obtained with excellent stereocontrol in a single step from secondary anilines and aldehydes possessing a pendent dienophile. These transformations constitute the first examples of catalytic enantioselective intramol. aza-Diels-Alder reactions.
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Reference:
Piperazine – Wikipedia,
Piperazines – an overview | ScienceDirect Topics