@article{3f6deaeb807541439efd3ecbec3fcbe2,
title = "Preparation of nitrogen-containing 20-membered tetraolefinic macrocycles: (E,E,E,E)-1,6,11,16-tetra(arylsulfonyl)-1,6,11,16-tetraazacycloicosa-3,8,13, 18-tetraenes",
abstract = "Arenesulfonamides and trans-1,4-dibromobut-2-ene are the ultimate precursors for the stepwise preparation of the 20-membered macrocycles of the title. {\textcopyright} 2001 Published by Elsevier Science Ltd.",
keywords = "Alkene, Macrocycle, Nitrogen heterocycle",
author = "Bel{\'e}n Blanco and Silvia Cerezo and Marcial Moreno-Ma{\~n}as and Roser Pleixats and Jan Spengler",
year = "2001",
month = dec,
day = "17",
doi = "10.1016/S0040-4039(01)02001-9",
language = "English",
volume = "42",
pages = "9001--9003",
journal = "Tetrahedron Letters",
issn = "0040-4039",
publisher = "Elsevier Limited",
number = "51",
}