Bioinspired Ether Cyclizations within a π‐Basic Capsule Compared to Autocatalysis on π‐Acidic Surfaces and Pnictogen‐Bonding Catalysts

Hao, Xiaoyu; Li, Tian‐Ren; Chen, Hao; Gini, Andrea; Zhang, Xiang; Rosset, Stéphane; Mazet, Clement; Tiefenbacher, Konrad; Matile, Stefan

doi:10.1002/chem.202101548

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Title		Bioinspired Ether Cyclizations within a π‐Basic Capsule Compared to Autocatalysis on π‐Acidic Surfaces and Pnictogen‐Bonding Catalysts
Authors		Hao, Xiaoyu Li, Tian‐Ren Chen, Hao Gini, Andrea Zhang, Xiang Rosset, Stéphane Mazet, Clement Tiefenbacher, Konrad Matile, Stefan show all authors [1 - 9]
Published in		Chemistry. 2021, vol. 27, no. 47, p. 12215-12223
Abstract		While the integration of supramolecular principles in catalysis attracts increasing attention, a direct comparative assessment of the resulting systems catalysts to work out distinct characteristics is often difficult. Herein is reported how the broad responsiveness of ether cyclizations to diverse inputs promises to fill this gap. Cyclizations in the confined, π-basic and Brønsted acidic interior of supramolecular capsules, for instance, are found to excel with speed (exceeding general Brønsted acid and hydrogen-bonding catalysts by far) and selective violations of the Baldwin rules (as extreme as the so far unique pnictogen-bonding catalysts). The complementary cyclization on π-acidic aromatic surfaces remains unique with regard to autocatalysis, which is shown to be chemo- and diastereoselective with regard to product-like co-catalysts but, so far, not enantioselective.
Identifiers		DOI: 10.1002/chem.202101548
Full text		Article (Published version) (6.8 MB) - Free access Other version: https://onlinelibrary.wiley.com/doi/10.1002/chem.202101548
Structures		Faculté des sciences / Section de chimie et biochimie / Département de chimie organique
Research groups		Groupe Matile Groupe Mazet
Citation (ISO format)		HAO, Xiaoyu et al. Bioinspired Ether Cyclizations within a π‐Basic Capsule Compared to Autocatalysis on π‐Acidic Surfaces and Pnictogen‐Bonding Catalysts. In: Chemistry - A European Journal, 2021, vol. 27, n° 47, p. 12215-12223. doi: 10.1002/chem.202101548 https://archive-ouverte.unige.ch/unige:154010