Patrick Zwick
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Metal‐Free Active Template Synthesis of Catenanes Open
We report a strategy for catenane synthesis that does not require persistent strong binding interactions on the components nor the addition of templates. The kinetically controlled process features the condensation of a diamine and a p ‐ni…
A Macrocycle with a Pair of Endo‐Isocyanides and its Affinity to Gold(I) Open
A pair of isocyanides pointing towards each other are fixed in a macrocyclic scaffold. The arrangement not only increases their local concentration, it should also enable their linear arrangement in coordination compounds. The macrocyclic …
Stepwise Operation of a Molecular Rotary Motor Driven by an Appel Reaction Open
To date, only a small number of chemistries and chemical fueling strategies have been successfully used to operate artificial molecular motors. Here, we report the 360° directionally biased rotation of phenyl groups about a C-C bond, drive…
View article: Influence of Peripheral Alkyl Groups on Junction Configurations in Single-Molecule Electronics
Influence of Peripheral Alkyl Groups on Junction Configurations in Single-Molecule Electronics Open
The addition of a lateral alkyl chain is a well-known strategy to reduce π-stacked ensembles of molecules in solution, with the intention to minimize the interactions between the molecules' backbones. In this paper, we study whether this c…
CCDC 2172361: Experimental Crystal Structure Determination Open
An entry from the Cambridge Structural Database, the world’s repository for small molecule crystal structures. The entry contains experimental data from a crystal diffraction study. The deposited dataset for this entry is freely available …
Intense Molar Circular Dichroism in Fully Conjugated All‐Carbon Macrocyclic 1,3‐Butadiyne Linked pseudo‐ <i>meta</i> [2.2]Paracyclophanes** Open
The synthetic access to macrocyclic molecular topologies with interesting photophysical properties has greatly improved thanks to the successful implementation of organic and inorganic corner units. Based on recent reports, we realized tha…
Intense Molar Circular Dichroism in Fully Conjugated All-Carbon Macrocyclic 1,3-Butadiyne Linked pseudo-meta [2.2]Paracyclophanes Open
The synthetic access to macrocyclic molecular topologies with interesting photophysical properties has greatly improved thanks to the successful implementation of organic and inorganic corner units. Based on recent reports, we realized pse…
Intense Molar Circular Dichroism in Fully Conjugated All-Carbon Macrocyclic 1,3-Butadiyne Linked pseudo-meta [2.2]Paracyclophanes Open
The synthetic access to macrocyclic molecular topologies with interesting photophysical properties has greatly improved thanks to the successful implementation of organic and inorganic corner units. Based on recent reports, we realized pse…
Mechanical compression in cofacial porphyrin cyclophane pincers Open
A two-order conductance increase upon stretching in porphyrin cyclophane pincer junctions is measured. Atomistic studies explain experimental observations by characteristic intramolecular changes in through-space and through-bond transport.
Mechanical conductance tunability of a porphyrin–cyclophane single-molecule junction Open
Porphyrin cyclophanes offer a large mechanical tunability of intramolecular π-orbital overlap. This leads to order of magnitude variations in conductance due to two destructive quantum interference dips as evidenced theoretically and exper…
Porphyrins as building blocks for single-molecule devices Open
Porphyrins have unique properties in electronic circuits. This review summarizes single molecule junction experiments and encourages the development of next generation molecular devices based on such building blocks.
View article: Synthesis and Transport Studies of a Cofacial Porphyrin Cyclophane
Synthesis and Transport Studies of a Cofacial Porphyrin Cyclophane Open
Porphyrin cyclophane 1, consisting of two rigidly fixed but still movable cofacial porphyrins and exposing acetate-masked thiols in opposed directions of the macrocycle, is designed, synthesized, and characterized. The functional cyclophan…
Mechanical Fixation by Porphyrin Connection: Synthesis and Transport Studies of a Bicyclic Dimer Open
The bowl-shaped, 3-fold interlinked porphyrin dimer 2 was obtained in respectable yields during macrocyclization attempts. Its bicyclic structure, consisting of a macrocycle made of a pair of acetylene interlinked tetraphenylporphyrins whi…
Preparation of Unsymmetrical Disulfides from Thioacetates and Thiosulfonates Open
A method for the transformation of organic thioacetates, a widely used functionality for the preparation of self‐assembled monolayers on gold surfaces, into unsymmetrical disulfides is reported. Disulfides are readily immobilized on gold i…
Unravelling the conductance path through single-porphyrin junctions Open
By studying transport through seven structurally related porphyrin derivatives with a machine learning algorithm we could identify and distinguish three different electronic paths.