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DTSTART;TZID=America/Los_Angeles:20230920T160000
DTEND;TZID=America/Los_Angeles:20230920T173000
DTSTAMP:20260614T060704
CREATED:20230912T222749Z
LAST-MODIFIED:20230912T222749Z
UID:30977-1695225600-1695231000@www.chemistry.ucla.edu
SUMMARY:Jeffrey I. Zink Inorganic Chemistry Seminar Series: Sundargopal Ghosh
DESCRIPTION:Title: “Coordination Chemistry of Diborane(4) and Diborane(6)” \nAbstract: The fascinating aspect of metallaborane chemistry is that several classic organometallic complexes that defined fundamental structural and bonding paradigms are mimicked by many isoelectronic metallaborane analogues.[1] In this connection\, diborane compounds not only mimics several classic organometallic compounds but also they have been extensively explored for the broad understanding of the chemical bonding and catalysis.[2] For example\, we have recently synthesized and structurally characterized a bimetallic diborane(4) which mimics Cotton’s dimolybdenum–alkyne complex [{CpMo(CO)2}2C2H2].[3] Also\, we have isolated the first classical diborane(5) [B2H5]-\, in which the sp2-B center is stabilized by the electron donation from tantalum.[4] Very recently\, we have developed an uncatalysed synthetic pathway to generate the doubly base stabilised symmetrical and unsymmetrical diborane(4) species from the thermolysis reaction of 2-mercaptopyridine with [BH3.THF]. The key results of this work will be described.
URL:https://www.chemistry.ucla.edu/events/jeffrey-i-zink-inorganic-chemistry-seminar-series-sundargopal-ghosh-2/
LOCATION:Collaboratory Yoo Seminar & Conference Hall YH4222 
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=America/Los_Angeles:20230927T160000
DTEND;TZID=America/Los_Angeles:20230927T173000
DTSTAMP:20260614T060704
CREATED:20230816T005153Z
LAST-MODIFIED:20230922T195805Z
UID:30816-1695830400-1695835800@www.chemistry.ucla.edu
SUMMARY:Jeffrey I. Zink Inorganic Chemistry Seminar Series: Titel Jurca
DESCRIPTION:Title: “Building a Toolbox for Sustainable Synthesis and Catalysis” \nAbstract: The presentation will focus on three of our current areas of interest: \nMechanochemical synthesis: by leveraging mechanochemical forces via vibratory ball milling or ultrasonic irradiation\, we can expedite the synthesis of both conventional\, and exotic Schiff base coordination complexes. Critically these reactions can be performed solvent-free or solvent-minimal\, and facilitate the formation of target compounds in one-pot and one-step from multiple starting materials in minutes-to-hours compared to conventional multi-day\, multi-step processes. \nSilane-based reductions: using silanes\, high-valent\, mid d-block metal halides can be controllably reduced to highly reactive mid-valent synthons (e.g. MoCl3). The reactions are facile\, and produce only H2 and recoverable chlorosilanes as byproduct. The resulting products are ideal starting points towards new precursors for ALD and CVD; enabling technologies for coatings\, electronic materials\, and heterogeneous catalysis. \nMonolith-based nanocatalysts: controlled growth of nanocatalysts on contiguous Ni foams. Ni foams afford numerous advantages; among these include ease of handling and facile separability inherent to monolith systems\, suitability for continuous flow catalysis\, and self-stirring. The application of these materials towards catalytic hydrogenations will be discussed.
URL:https://www.chemistry.ucla.edu/seminars/jeffrey-i-zink-inorganic-chemistry-seminar-series-titel-jurca/
LOCATION:Mani L. Bhaumik Centennial Collaboratory\, 607 Charles E. Young Dr.\, East\, Los Angeles\, CA\, 90095\, United States
CATEGORIES:Inorganic,Seminars
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=America/Los_Angeles:20230929T153000
DTEND;TZID=America/Los_Angeles:20230929T163000
DTSTAMP:20260614T060704
CREATED:20230925T154421Z
LAST-MODIFIED:20230925T154421Z
UID:31064-1696001400-1696005000@www.chemistry.ucla.edu
SUMMARY:Dickerson Biochemistry Seminar
DESCRIPTION:Introduction of Biochemistry Faculty to First Year Biochemistry Graduate Students
URL:https://www.chemistry.ucla.edu/events/dickerson-biochemistry-seminar/
LOCATION:Mani L. Bhaumik Centennial Collaboratory\, 607 Charles E. Young Dr.\, East\, Los Angeles\, CA\, 90095\, United States
CATEGORIES:Biochemistry
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