Explanipedia

One-Pot Enol Silane Formation-Alkylation Reactions of Ketones Promoted by Trimethylsilyl Trifluoromethanesulfonate: Direct Access to Β,Β-Diarylated Ketones and Related Compounds Open

Katelyn A. Marchione, Keith Smith, C. Wade Downey · 2025

Synthesis of 9‐(substituted phenoxycarbonyl)‐10‐methylacridinium trifluoromethanesulfonates: Effects of the leaving group on chemiluminescent properties Open

Keith Smith, Andy M. Holland, J S Woodhead, Gamal A. El‐Hiti · 2024

Various 9‐(substituted phenoxycarbonyl)‐10‐methylacridinium trifluoromethanesulfonates possessing electron‐withdrawing substituents have been synthesized. The effect of substituents on the stability of the acridinium esters (AEs) at variou…

CCDC 2291284: Experimental Crystal Structure Determination Open

Keith Smith, Simon J. Coles, Michael B. Hursthouse · 2023

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 …

Synthesis and chemiluminescent characteristics of two new acridinium esters Open

Keith Smith, Xiaojing Mu, Zhaoqiang Li, J. Stuart Woodhead, Gamal A. El‐Hiti · 2023

Two new acridinium esters with a 2‐(succinimidyloxycarbonyl)ethyl side arm, namely, 9‐(2,6‐dibromophenoxycarbonyl)‐10‐methyl‐2‐(2‐(succinimidyloxycarbonyl)ethyl)acridinium trifluoromethanesulfonate and 9‐(4‐(2‐(succinimidyloxycarbonyl)ethy…

Syntheses of Hindered-Polymethylacridinium Esters with Potential for Biological Probe Nanoarchitectonics Open

Keith Smith, Zabair Ahmed, J. Stuart Woodhead, Gamal A. El‐Hiti · 2023

Novel acridinium esters containing several methyl groups, at least one of which is in the 1 or 8-position, have been synthesized and their structures established. The influence of the methyl substituents on the chemiluminescent properties …

CCDC 2088776: Experimental Crystal Structure Determination Open

Keith Smith, Alaa Alkhalaf, Kıymet Berkil Akar, Benson M. Kariuki, Gamal A. El‐Hiti · 2022

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 …

CCDC 2088777: Experimental Crystal Structure Determination Open

Keith Smith, Alaa Alkhalaf, Kıymet Berkil Akar, Benson M. Kariuki, Gamal A. El‐Hiti · 2022

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 …

CCDC 2088778: Experimental Crystal Structure Determination Open

Keith Smith, Alaa Alkhalaf, Kıymet Berkil Akar, Benson M. Kariuki, Gamal A. El‐Hiti · 2022

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 …

CCDC 2088779: Experimental Crystal Structure Determination Open

Keith Smith, Alaa Alkhalaf, Kıymet Berkil Akar, Benson M. Kariuki, Gamal A. El‐Hiti · 2022

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 …

Writes Hurt: Lessons in Cache Design for Optane NVRAM Open

Alexandra Fedorova, Keith Smith, Keith Bostic, Alexander Gorrod, Sue LoVerso , et al. · 2022

Intel OptaneTM DC Persistent Memory resides on the memory bus and approaches DRAM in access latency. One avenue for its adoption is to employ it in place of persistent storage; another is to use it as a cheaper and denser extension of DRAM…

Polybromination of naphthalene using bromine over a montmorillonite clay and regioselective synthesis of 2,6-dibromonaphthalene Open

Keith Smith, Alaa Alkhalaf, Kıymet Berkil Akar, Benson M. Kariuki, Gamal A. El‐Hiti · 2022

Reaction of naphthalene and bromine (three mole equivalents) at room temperature gave 1,4,6- tribromonaphthalene (66%) along with 1,4-dibromonaphthalene (8%) and 1,5-dibromonaphthalene (10%). Crystallization of the crude product gave pure…

Reactions between lithiated 1,3-dithiane oxides and trialkylboranes Open

Basil A. Saleh, Keith Smith, Mark C. Elliott, Gamal A. El‐Hiti · 2021

Various 2-substituted-1,3-dithiane oxides (1-oxide and 1,3-dioxide) have been metalated and reacted for the first time with a trialkylborane (trioctylborane). The 2-chloro-1,3-dioxide results in migration of an octyl group from boron to ca…

Development of Efficient and Selective Processes for the Synthesis of Commercially Important Chlorinated Phenols Open

Keith Smith, Gamal A. El‐Hiti · 2021

para-Selective processes for the chlorination of phenols using sulphuryl chloride in the presence of various sulphur-containing catalysts have been successfully developed. Several chlorinated phenols, especially those derived by para-chlor…

CCDC 2060614: Experimental Crystal Structure Determination Open

Keith Smith, Alaa Alkhalaf, Kıymet Berkil Akar, Doaa J. K. Al-Badri, Benson M. Kariuki , et al. · 2021

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 …

CCDC 2060613: Experimental Crystal Structure Determination Open

Keith Smith, Alaa Alkhalaf, Kıymet Berkil Akar, Doaa J. K. Al-Badri, Benson M. Kariuki , et al. · 2021

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 …

Effects of Structured Solids on Regioselectivity of Dibromination of Naphthalene Open

Keith Smith, Alaa Alkhalaf, Kıymet Berkil Akar, Doaa J. K. Al-Badri, Benson M. Kariuki , et al. · 2021

The influence of structured solids (amorphous, lamellar and 3D crystalline) on the regioselectivity of the dibromination of naphthalene using bromine at room temperature has been investigated. The more acidic amorphous catalysts and an aci…

Studies on a catalytic version of the Matteson asymmetric homologation reaction Open

Keith Smith, Basil A. Saleh, Mohammed B. Alshammari, Gamal A. El‐Hiti, Mark C. Elliott · 2021

Both Li and Yb complexes of a bis(oxazoline) ligand can induce asymmetry but the nature of Yb(OTf)₃ is significant for its performance.

Skandinavisk kobber: Lokale forhold og globale sammenhenger i det lange 1700-tallet Open

Kristin Ranestad, Kristine Bruland, Hans Westberg, Anne Signe Enget, Ragnhild Hutchison , et al. · 2020

Det första syftet med denna artikel är att beskriva hur den svenska koppar- och mässingsexporten utvecklades under 1700-talet. De frågeställningar som besvara är i vilken utsträckning exporten förändrades, vilka varor som exporterades och …

5-Bromo-1-(4-bromophenyl)isatin Open

Gamal A. El‐Hiti, Keith Smith, Mesfer Alamri, Ceri A. Morris, Peter Kille , et al. · 2018

In the title compound [systematic name: 5-bromo-1-(4-bromophenyl)-2,3-dihydro-1 H -indole-2,3-dione], C 14 H 7 Br 2 NO 2 , all of the atoms except the C—H groups in the bromobenzene ring lie on a (010) crystallographic mirror plane, with t…

1,1-Dimethyl-3-[4-(trifluoromethyl)phenyl]urea Open

Gamal A. El‐Hiti, Keith Smith, Amany S. Hegazy, Mohammed B. Alshammari, Benson M. Kariuki · 2018

In the title compound, C 10 H 11 F 3 N 2 O, the dihedral angle between the dimethylurea and phenyl group planes is 37.49 (7)°. In the crystal, molecules are linked by N—H...O hydrogen bonds, generating chains propagating in the [010] direc…

MethylN-(2-bromo-4-chlorophenyl)carbamate Open

Gamal A. El‐Hiti, Keith Smith, Amany S. Hegazy, Mohammed B. Alshammari, Benson M. Kariuki · 2018

In the title molecule, C 8 H 7 BrClNO 2 , the bromochlorophenyl ring is inclined to the methylcarbamate unit by 32.73 (7)°. In the crystal, N—H...O hydrogen bonds form chains of molecules parallel to [100].

S-[2-(2,2-Dimethylpropanamido)-3-(trifluoromethyl)phenyl]N,N-diisopropyldithiocarbamate Open

Gamal A. El‐Hiti, Keith Smith, Amany S. Hegazy, Mohammed B. Alshammari, Benson M. Kariuki · 2018

In the title compound, C 19 H 27 F 3 N 2 OS 2 , the dihedral angle between the benzene ring and dithiocarbamate group is 67.00 (9)° and a weak intramolecular N—H...S interaction generates an S (7) ring. The tert -butyl group is disordered …

1-(2-Bromo-4-methylphenyl)-3,3-dimethylthiourea Open

Gamal A. El‐Hiti, Keith Smith, Amany S. Hegazy, Mohammed B. Alshammari, Benson M. Kariuki · 2018

The bromomethylphenyl and dimethylthiourea groups of the molecule of the title compound, C 10 H 13 BrN 2 S, are inclined to one another at an interplanar angle of 55.13 (6)°. In the crystal, molecules are stacked along the b axis and inter…

CCDC 1483022: Experimental Crystal Structure Determination Open

Asim A. Balakit, Yusuf Sert, Çağrı Çırak, Keith Smith, Benson M. Kariuki , et al. · 2018

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 …

The Rational Design, Synthesis, Characterization, and Biological Evaluation of Cancer-Targeting Immunostimulatory Peptide-Protein Conjugates and Tripeptides Open

Keith Smith · 2018

With the advent of cancer immunotherapy and the rise in applications of synthetic biologics, there has been a steady decline in the incidence of cancer. Despite this trend, there is an anticipated 1.7 million new cancer cases with an estim…

CCDC 1815604: Experimental Crystal Structure Determination Open

Gamal A. El‐Hiti, Keith Smith, Amany S. Hegazy, Mohammed B. Alshammari, B.M. Kariuki · 2018

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 …

CCDC 1814851: Experimental Crystal Structure Determination Open

Gamal A. El‐Hiti, Keith Smith, Amany S. Hegazy, Mohammed B. Alshammari, Benson M. Kariuki · 2018

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 …

CCDC 1829295: Experimental Crystal Structure Determination Open

Gamal A. El‐Hiti, Keith Smith, Maha Alamri, Caspar Morris, Peter Kille , et al. · 2018

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 …

CCDC 1815173: Experimental Crystal Structure Determination Open

Gamal A. El‐Hiti, Keith Smith, Amany S. Hegazy, Mohammed B. Alshammari, Benson M. Kariuki · 2018

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 …

CCDC 1815356: Experimental Crystal Structure Determination Open

Gamal A. El‐Hiti, Keith Smith, Amany S. Hegazy, Mohammed B. Alshammari, B.M. Kariuki · 2018

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 …

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