Multiple threading of a triple-calix[6]arene host

• Veronica Iuliano,
• Roberta Ciao,
• Emanuele Vignola,
• Carmen Talotta,
• Patrizia Iannece,
• Margherita De Rosa,
• Annunziata Soriente,
• Carmine Gaeta and
• Placido Neri

Beilstein J. Org. Chem. 2019, 15, 2092–2104, doi:10.3762/bjoc.15.207

• stereoselective formation of endo-alkyl pseudo[n]rotaxane stereoisomers. Keywords: calixarene; multiple-threading; pseudo[n]rotaxane; stereoisomers; Introduction The self-assembly [1] of smaller components to larger aggregates represents one of the most spectacular phenomena in supramolecular chemistry [2][3][4

• , 133.4, 127.5, 126.7, 125.8, 125.5, 125.2, 124.6, 74.7, 60.1, 60.0, 34.3, 34.2, 31.7, 31.6, 31.5, 31.4, 30.8, 30.5, 29.0, 19.6; HRMS (m/z): calcd for C222H288KO18+, 3283.1319; found, 3283.1748. Preparation of pseudo[n]rotaxane. Derivative 6 (5.00 mg, 1.5 × 10−3 mmol) and dialkylammonium axle 4+ , 7+ or 8