Diffusion-Controlled Rotation of Triptycene in a Metal–Organic Framework (MOF) Sheds Light on the Viscosity of MOF-Confined Solvent

Autor: Xing Jiang, Hai-Bao Duan, Saeed I. Khan, Miguel A. Garcia-Garibay

Publikováno v: ACS Central Science, Vol 2, Iss 9, Pp 608-613 (2016)

Externí odkaz: https://doaj.org/article/b855be6df0be418299483cbd5e9f0b80

Taming Radical Pairs in the Crystalline Solid State: Discovery and Total Synthesis of Psychotriadine

Autor: Neil K. Garg, Ieva Liepuoniute, Miguel A. Garcia-Garibay, Vince M. Hipwell, Saeed I. Khan, Kendall N. Houk, J. Logan Bachman, Jordan J. Dotson

Publikováno v: J Am Chem Soc

Solid-state photodecarbonylation is an attractive but underutilized methodology to forge hindered C−C bonds in complex molecules. This study discloses the use of this reaction to assemble the vicinal quaternary stereocenter motif present in bis(cyc

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::94daed37bcec3413d304fb3310d206c3
https://doi.org/10.1021/jacs.1c01100

Intramolecular N−H⋅⋅⋅F Hydrogen Bonding Interaction in a Series of 4‐Anilino‐5‐Fluoroquinazolines: Experimental and Theoretical Characterization of Electronic and Conformational Effects

Autor: Ga Young Lee, Joseph William Treacy, Aneta Turlik, Lorenz M. Urner, K. N. Houk, Saeed I. Khan, Michael Ernest Jung

Publikováno v: Chemistry
Chemistry (Weinheim an der Bergstrasse, Germany), vol 28, iss 2

The 4-anilino-6,7-ethylenedioxy-5-fluoroquinazoline scaffold is presented as a novel model system for the characterization of the weak NH···F hydrogen bonding (HB) interaction. In this scaffold, the aniline NH proton is forced into close proximity

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::28b5242b87185bfde09f585cb181ff96
https://doi.org/10.1002/chem.202103135

Effects of Dodecaboride-Forming Metals on the Properties of Superhard Tungsten Tetraboride

Autor: Inwhan Roh, Georgiy Akopov, Hang Yin, Richard B. Kaner, Zachary C. Sobell, Wai H. Mak, Michael T. Yeung, Saeed I. Khan

Publikováno v: Chemistry of Materials. 30:3559-3570

Tungsten tetraboride alloys with Y, Sc, Gd, Tb, Dy, Ho, and Er were prepared by arc-melting and investigated for their thermal stability and mechanical properties. The phase composition and purity were confirmed by powder X-ray diffraction (PXRD) and

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::44861a0b7369a6ea9707ebece7245db3
https://doi.org/10.1021/acs.chemmater.8b01464

Rotational Dynamics of Diazabicyclo[2.2.2]octane in Isomorphous Halogen-Bonded Co-crystals: Entropic and Enthalpic Effects

Autor: Anoklase Jean-Luc Ayitou, Giancarlo Terraneo, Saeed I. Khan, Miguel A. Garcia-Garibay, Luca Catalano, Hsin-Hua Wang, Pierangelo Metrangolo, Stuart Brown, Salvador Pérez-Estrada

Publikováno v: Catalano, L, Perez-Estrada, S, Wang, H H, Ayitou, A J L, Khan, S I, Terraneo, G, Metrangolo, P, Browne, S & Garcia-Garibay, M A 2017, ' Rotational dynamics of diazabicyclo[2.2.2]octane in isomorphous halogen-bonded co-crystals : Entropic and enthalpic effects ', Journal of the American Chemical Society, vol. 139, no. 2, pp. 843-848 . https://doi.org/10.1021/jacs.6b10780

Based on rotational dynamics measurements carried out with isomorphic co-crystals formed by halogenbonding (XB) between tritylacetylene halides (TrX) and diazabicyclo[2.2.2]octane (dabco), we were able to distinguish the sources of the enthalpic and

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::d2531774426c27c2e14262ce4829a0d1
https://doi.org/10.1021/jacs.6b10780