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Discovering New Possibilities With Boron Clusters

Research Overview
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My research explores the synthesis of molecules constructed from a cage of boron atoms (boranes) and analogues where at least one atom in the framework is carbon (carboranes). My work in this area is informed by 15 years of research experience working with 1-carba-closo-dodecaborate(1⁻) (i.e. CB11⁻),

The parent CB11⁻ cluster: CB11H12
a carborane cluster with potential uses as pharmaceuticals, medical imaging agents, chemical catalysts, and building blocks for new optical and electronic materials. Research projects in my group at Whitman continue to explore the chemistry of CB11⁻, as well as that of other related boron-based clusters. The techniques employed and questions investigated in this work are relevant to the subdiciplines of organic and inorganic chemistry.

Although boron clusters were first prepared several decades ago, relatively few methods have been developed for synthetically modifying these molecules. Difficulties in the synthesis of the CB11⁻ cluster and its derivatives remain a primary reason that their use in practical applications has been limited. The development of efficient synthetic methods for use with the CB11⁻ system would allow for the preparation of a host of new compounds and facilitate the use of this cluster in a variety of applications.

Support for this work has been provided by Whitman College, the National Science Foundation, and the M.J. Murdock Charitable Trust.

Publications
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“Microwave-assisted iodination: Synthesis of heavily iodinated 10-vertex and 12-vertex boron clusters” Juhasz M. A.,* Matheson, G. R.,† Chang, P. S.,† Rosenbaum, A. R.,† Juers, D. H., Synthesis and Reactivity in Inorganic, Metal-Organic, and Nano-Metal Chemistry, 2016, 46 (4), 583-588.
doi:10.1080/15533174.2014.988819

“A Boron Cluster with a Pair of Carboxylic Acid Groups on Adjacent Borons: Synthesis and Structure of 7,12-(COOH)2-CB11H10⁻.” Dwulet, G. E.,† Juhasz, M. A.* Inorganic Chemistry Communications, 2015, 51, 26–28.
doi:10.1016/j.inoche.2014.10.028

“Tetraethylammonium 7,12-Dicyano-1-Carba-closo-Dodecaborate” Juhasz, M. A.*, Juers, D. H., Dwulet, G. E.,† Rosenbaum, A. J.† Acta Crystallographica 2014, E70, o411-o412.
doi:10.1107/S1600536814004759

“Copper-promoted Cyanation of a Boron Cluster: Synthesis, X-ray structure, and Reactivity of 12-CN-closo-CHB11H10⁻” Rosenbaum, A. J.,† Juers, D.H., Juhasz, M. A.* Inorganic Chemistry 2013, 52 (19), 10717–10719.
doi:10.1021/ic4015306

† denotes Whitman student coauthor

Current and Past Research Students
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William Mendelsohn, '18 - Chemistry Major at Whitman College
Greg Hof, '18 - Chemistry Major at Whitman College
Julian Reed, '18 - Chemistry Major at Whitman College
Austin Shaff, '17 - Chemistry Major at Whitman College
Walker Bruhn, '17 - Sociology Major at Whitman College
Clint Vorauer, '16 - Fullbright teaching fellow in Austria
Greg Dwulet, '15 - Chemistry Ph.D. student at University of Colorado
Graham Matheson, '15 - Whitman in China fellow
Rosie Midget, '15 - Maxim Healthcare Services, Seattle, WA
Paul Chang, '13 - Applying to medical school
Aaron Rosenbaum, '12 - Medical school student, UC San Diego
Laura Coulson, '12 - Enviromental Science M.S. student, EnvEuro
Nathan Neff-Mallon, '12 - Chemistry Ph.D. student at University of Wisconsin
Donna Phan, '12 - Medical school student, Virginia Tech University
Matthew Badura, '11 - Actuarial Analyst, The Regence Group
Kieran Burkholder, '11 - Applying to graduate school

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Last Modified Tuesday, 04-Apr-2017 07:23:24 PDT