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X-WR-CALDESC:Events for UCLA
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BEGIN:VEVENT
DTSTART;TZID=America/Los_Angeles:20140821T120000
DTEND;TZID=America/Los_Angeles:20140821T120000
DTSTAMP:20260616T040128
CREATED:20140807T165532Z
LAST-MODIFIED:20140807T165532Z
UID:12605-1408622400-1408622400@www.chemistry.ucla.edu
SUMMARY:Computational Investigations of Organic Reactions on Graphene\, Fullerenes and Carbon Nanotubes
DESCRIPTION:Abstract: In the past thirty years\, carbon-based nanomaterials\, including fullerenes\, carbon nanotubes and graphene\, have spurred great interest due to their unique physical and chemical properties. Fullerenes and carbon nanotubes have been well studied\, while studies of graphene\, a relatively new material\, are less advanced. A variety of chemical modification strategies have been successfully established on fullerenes and carbon nanotubes\, and important functional changes have been demonstrated. Some attempts have been made to transfer these chemical modifications onto more inert graphene\, yet very few give satisfactory results. I will describe density functional theory calculations to study one of the functionalization approaches\, cycloaddition reactions\, on carbon allotropes\, especially graphene. Ideally graphene is composed solely of sp2 carbons in extended conjugation. These extended π systems can function either as 2π or 4π components in cycloaddition reactions. We have explored 1\,3-dipolar cycloadditions\, Diels-Alder reactions\, (2+2) cycloadditions\, (4+4) cycloadditions and (1+2) cycloadditions on a series of graphene models. We also assessed non-covalent interactions of aromatics and small π system with graphene. Our work provides clear predictions of the energetics of the adduct formation on different sites of graphene\, increasing understanding of graphene chemistry and guiding experiments carried out by collaborators.
URL:https://www.chemistry.ucla.edu/seminars/computational-investigations-organic-reactions-graphene-fullerenes-and-carbon-nanotubes/
CATEGORIES:Physical Chemistry Seminar,Seminars
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BEGIN:VEVENT
DTSTART;TZID=America/Los_Angeles:20140818T150000
DTEND;TZID=America/Los_Angeles:20140818T150000
DTSTAMP:20260616T040128
CREATED:20140806T184720Z
LAST-MODIFIED:20140806T184720Z
UID:12604-1408374000-1408374000@www.chemistry.ucla.edu
SUMMARY:Special Organic Seminar: "Challenges in Regiocontrol of Benzyne Reactions"
DESCRIPTION:Special Organic Seminar \n“Challenges in Regiocontrol of Benzyne Reactions” \nAbstract.  Benzyne (= ortho-Benzyne) is one of the most important reactive intermediates bearing a triple bond in a benzene ring. Numerous benzyne reactions have been developed during the last three decades while a mild benzyne generation using a fluoride ion has been recognized as an extraordinary useful method. However\, it is also true that chemists have suffered from low regioselectivities of unsymmetrically substituted benzynes. Therefore\, specific directing groups that have a strong effect on controlling the orientation of the cycloaddition reactions and also can be converted into any other substituents after the cycloaddition have been long desired. In this seminar\, I would like to present some of our recent work on regioselectivity control of benzyne reactions using substituent effect of silyl and boryl groups. The origin of regiochemistry would be theoretically explained by DFT (density functional theory) calculation at the B3LYP/6-31G(d) level and NBO (Natural Bond Orbital) analysis.
URL:https://www.chemistry.ucla.edu/seminars/special-organic-seminar-challenges-regiocontrol-benzyne-reactions/
CATEGORIES:Organic Colloquium,Seminars
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=America/Los_Angeles:20140724T110000
DTEND;TZID=America/Los_Angeles:20140724T110000
DTSTAMP:20260616T040128
CREATED:20140722T184018Z
LAST-MODIFIED:20140722T184018Z
UID:12603-1406199600-1406199600@www.chemistry.ucla.edu
SUMMARY:Evolution of Novel Components of the Bacterial Flagellar Motor
DESCRIPTION:
URL:https://www.chemistry.ucla.edu/seminars/evolution-novel-components-bacterial-flagellar-motor/
CATEGORIES:Biochemistry,Seminars
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=America/Los_Angeles:20121006T100000
DTEND;TZID=America/Los_Angeles:20121006T100000
DTSTAMP:20260616T040128
CREATED:20120320T000512Z
LAST-MODIFIED:20120320T000512Z
UID:12332-1349517600-1349517600@www.chemistry.ucla.edu
SUMMARY:Celebration of the 100th Birthday of Saul Winstein
DESCRIPTION:The celebration goes on all day at CNSI\, 10am to 5 pm\, followed by a reception and banquet at the UCLA Faculty Center\, 5 pm to 10 pm.
URL:https://www.chemistry.ucla.edu/events/celebration-100th-birthday-saul-winstein/
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=America/Los_Angeles:20120616T170000
DTEND;TZID=America/Los_Angeles:20120616T170000
DTSTAMP:20260616T040128
CREATED:20120318T093203Z
LAST-MODIFIED:20120318T093203Z
UID:12261-1339866000-1339866000@www.chemistry.ucla.edu
SUMMARY:2012 Chemistry & Biochemistry Graduation Ceremony
DESCRIPTION:
URL:https://www.chemistry.ucla.edu/events/2012-chemistry-biochemistry-graduation-ceremony/
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=America/Los_Angeles:20120518T153000
DTEND;TZID=America/Los_Angeles:20120518T153000
DTSTAMP:20260616T040128
CREATED:20120517T195520Z
LAST-MODIFIED:20120517T195520Z
UID:13404-1337355000-1337355000@www.chemistry.ucla.edu
SUMMARY:Exploring Substrate Specificity in Sortase Enzymes
DESCRIPTION:Biochemistry Midstream Graduate Seminar
URL:https://www.chemistry.ucla.edu/seminars/exploring-substrate-specificity-sortase-enzymes/
CATEGORIES:Biochemistry,Seminars
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=America/Los_Angeles:20120517T170000
DTEND;TZID=America/Los_Angeles:20120517T170000
DTSTAMP:20260616T040128
CREATED:20120515T193323Z
LAST-MODIFIED:20120515T193323Z
UID:13108-1337274000-1337274000@www.chemistry.ucla.edu
SUMMARY:Manipulating Photochemical Processes Through Confinement and Weak Interactions
DESCRIPTION:Refreshments to be served at 4:30 pm
URL:https://www.chemistry.ucla.edu/seminars/manipulating-photochemical-processes-through-confinement-and-weak-interactions/
CATEGORIES:Organic Colloquium,Seminars
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=America/Los_Angeles:20120516T163000
DTEND;TZID=America/Los_Angeles:20120516T163000
DTSTAMP:20260616T040128
CREATED:20120507T072928Z
LAST-MODIFIED:20120507T072928Z
UID:12872-1337185800-1337185800@www.chemistry.ucla.edu
SUMMARY:Unique Properties of Electrophilic Metal Centers Supported by Ferrocene Diamide Ligands
DESCRIPTION:Inorganic Chemistry Graduate Seminar \nRefreshments will be served.
URL:https://www.chemistry.ucla.edu/seminars/unique-properties-electrophilic-metal-centers-supported-ferrocene-diamide-ligands/
CATEGORIES:Inorganic Chemistry,Seminars
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=America/Los_Angeles:20120507T160000
DTEND;TZID=America/Los_Angeles:20120507T160000
DTSTAMP:20260616T040128
CREATED:20120503T190059Z
LAST-MODIFIED:20120503T190059Z
UID:12843-1336406400-1336406400@www.chemistry.ucla.edu
SUMMARY:Predicting Molecular Crystal Properties with Quantum Chemistry
DESCRIPTION:Predicting Molecular Crystal Properties with Quantum Chemistry
URL:https://www.chemistry.ucla.edu/seminars/predicting-molecular-crystal-properties-quantum-chemistry/
CATEGORIES:Physical Chemistry Seminar,Seminars
END:VEVENT
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