Restricted rotation of tert-butyl groups in sterically crowded methylene-functionalized calix[4]arenes

Lev Kuno; Silvio E. Biali

doi:10.1021/ol901472j

Restricted rotation of tert-butyl groups in sterically crowded methylene-functionalized calix[4]arenes

Lev Kuno^*, Silvio E. Biali

^*Corresponding author for this work

Institute of Chemistry

Research output: Contribution to journal › Article › peer-review

17 Scopus citations

Abstract

Image Presented The crowded methylene-functionalized calix[4]arenes 4 and 5 display restricted rotation of the tert-butyl substituents at the bridges. At low temperatures, separate signals were observed for the methyls of these groups in the ¹H NMR spectra.

Original language	American English
Pages (from-to)	3662-3665
Number of pages	4
Journal	Organic Letters
Volume	11
Issue number	16
DOIs	https://doi.org/10.1021/ol901472j
State	Published - 20 Aug 2009

Access to Document

10.1021/ol901472j

Cite this

@article{0af12456110945b394790c0b8044645d,

title = "Restricted rotation of tert-butyl groups in sterically crowded methylene-functionalized calix[4]arenes",

abstract = "Image Presented The crowded methylene-functionalized calix[4]arenes 4 and 5 display restricted rotation of the tert-butyl substituents at the bridges. At low temperatures, separate signals were observed for the methyls of these groups in the 1H NMR spectra.",

author = "Lev Kuno and Biali, {Silvio E.}",

year = "2009",

month = aug,

day = "20",

doi = "10.1021/ol901472j",

language = "American English",

volume = "11",

pages = "3662--3665",

journal = "Organic Letters",

issn = "1523-7060",

publisher = "American Chemical Society",

number = "16",

}

TY - JOUR

T1 - Restricted rotation of tert-butyl groups in sterically crowded methylene-functionalized calix[4]arenes

AU - Kuno, Lev

AU - Biali, Silvio E.

PY - 2009/8/20

Y1 - 2009/8/20

N2 - Image Presented The crowded methylene-functionalized calix[4]arenes 4 and 5 display restricted rotation of the tert-butyl substituents at the bridges. At low temperatures, separate signals were observed for the methyls of these groups in the 1H NMR spectra.

AB - Image Presented The crowded methylene-functionalized calix[4]arenes 4 and 5 display restricted rotation of the tert-butyl substituents at the bridges. At low temperatures, separate signals were observed for the methyls of these groups in the 1H NMR spectra.

UR - http://www.scopus.com/inward/record.url?scp=68949115770&partnerID=8YFLogxK

U2 - 10.1021/ol901472j

DO - 10.1021/ol901472j

M3 - Article

AN - SCOPUS:68949115770

SN - 1523-7060

VL - 11

SP - 3662

EP - 3665

JO - Organic Letters

JF - Organic Letters

IS - 16

ER -

Restricted rotation of tert-butyl groups in sterically crowded methylene-functionalized calix[4]arenes

Abstract

Access to Document

Other files and links

Fingerprint

Cite this