Results 91 to 100 of about 5,195 (200)

Anion-Templated Rotaxane Formation

, 2016
The development of an acyclic chloride anion template in which the chloride anion is coordinatively unsaturated and available for subsequent complexation to various hydrogen bond donating components is described.
James A. Wisner (2022958), Mark R. Sambrook (2452432), Michael G. B. Drew (1637032), Paul D. Beer (818121)   +3 more
core   +2 more sources

Synthesis of ‘Impossible’ Rotaxanes

Chemistry – A European Journal
Abstract‘Impossible’ rotaxanes, which are constituted by interlocked components without obvious binding motifs, have attracted the interest of the mechanically interlocked molecules (MIMs) community. Within the synthetic efforts reported in the last decades towards the preparation of MIMs, some innovative protocols for accessing ‘impossible’ rotaxanes ...
openaire   +2 more sources

Rotaxane formation under thermodynamic control

, 1999
Thermodynamic control operates in the synthesis of a [2]rotaxane based upon the dibenzylammonium ion/crown ether recognition motif. When dibenzo[24]crown-8 is added to an acetonitrile solution containing a diimine dumbbell-like component, the dynamic ...
Stoddart, J. Fraser, Rowan, Stuart J., Cantrill, Stuart J.   +2 more
core   +1 more source

Supramolecular assembly of covalently modified Anderson-type polyoxometalates and crown ethers towards pseudo-rotaxane structures

Polyoxometalates
The supramolecular assembly of a series of covalently modified Anderson-type polyoxometalates (POMs) and 18-crown-6 ethers was investigated for the first time.
Yi-An Yin, Wu-Ji Chen, Chun-Yan Liu, Meng-Meng Zhang, Chang-Gen Lin, Haralampos N. Miras, Yu-Fei Song   +6 more
doaj   +1 more source

Synthesis of a [6]rotaxane with singly threaded γ-cyclodextrins as a single stereoisomer

Beilstein Journal of Organic Chemistry, 2019
A series of hetero [4]-, [5]- and [6]rotaxanes containing both cucurbit[6]uril (CB[6]) and γ-cyclodextrin (γ-CD) as the macrocyclic components have been synthesized via a threading-followed-by-stoppering approach.
Jason Yin Hei Man, Ho Yu Au-Yeung
doaj   +1 more source

Anion-templated rotaxane formation.

, 2002
The development of an acyclic chloride anion template in which the chloride anion is coordinatively unsaturated and available for subsequent complexation to various hydrogen bond donating components is described.
Wisner, JA, Beer, Paul, Sambrook, MR, Drew, MG   +3 more
core   +1 more source

pH‐Controlled Gliding Motions in Pillar[5]arene‐Containing Molecular Shuttles

ChemistryEurope
New pillar[5]arene‐based molecular shuttles incorporating an axle component with two stations, namely a –(CH2)10– chain and a protonable triazole subunit, have been prepared.
Nihed Becharguia, Iwona Nierengarten, Alix Sournia‐Saquet, Emeric Wasielewski, Rym Abidi, Béatrice Delavaux‐Nicot, Jean‐François Nierengarten   +6 more
doaj   +1 more source

Nomenclature for Rotaxanes, Catenanes, and Macromolecular Rotaxanes [PDF]

Chemistry International -- Newsmagazine for IUPAC, 2002
openaire   +1 more source

Selective Photoinduced Energy Transfer from a Thiophene Rotaxane to Acceptor

, 2016
An energy transfer process was investigated using cyclodextrin−oligothiophene rotaxanes (2T-[2]rotaxane). The excited energy of 2T-[2]rotaxane is transferred to the sexithiophene derivative which is included in the cavity of β-CD stoppers of 2T-[2 ...
Akira Harada (740620), Yoshinori Takashima (1659706), Hideki Ichida (2230249), Hitoshi Yamamoto (738861), Norio Hamada (1674568), Kazuya Sakamoto (2230252), Hiroyasu Yamaguchi (1659700)   +6 more
core   +1 more source

A Clicked Bistable [2]Rotaxane [PDF]

, 2007
A universal diazide-terminated polyether, incorporating tetrathiafulvalene (TTF, green) and 1,5-dioxynaphthalene (DNP, red) units, was prepared and subsequently employed in the template-directed synthesis of a switchable donor/acceptor [2]rotaxane.
Stoddart, J. Fraser, Dichtel, William R., Aprahamian, Ivan, Ikeda, Taichi, Heath, James R.   +4 more
core