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X-ORIGINAL-URL:https://www.chemistry.ucla.edu
X-WR-CALDESC:Events for UCLA
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TZID:America/Los_Angeles
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TZOFFSETFROM:-0800
TZOFFSETTO:-0700
TZNAME:PDT
DTSTART:20210314T100000
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TZOFFSETFROM:-0700
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DTSTART:20211107T090000
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BEGIN:VEVENT
DTSTART;TZID=America/Los_Angeles:20210513T120000
DTEND;TZID=America/Los_Angeles:20210513T120000
DTSTAMP:20260618T073003
CREATED:20210329T185640Z
LAST-MODIFIED:20210329T185640Z
UID:13480-1620907200-1620907200@www.chemistry.ucla.edu
SUMMARY:Synthesis in a Boron World
DESCRIPTION:Abstract: Nature has evolved highly sophisticated machinery for organic synthesis\, many of which resemble molecular assembly-line processes. So far chemists have been able to apply this type of approach in the synthesis of peptides and oligonucleotides but in these reactions\, simple amide (C‒N) or phosphate (P‒O) bonds are created. It is much more difficult to make C‒C bonds but this is central to the discipline of organic synthesis. This difficulty is why organic synthesis is challenging and why robust\, iterative or automated methodologies have not yet emerged. \nHere\, we describe the application of iterative homologation of boronic esters using chiral lithiated carbamates and chloromethyllithium enabling us to grow carbon chains with control over both relative and absolute stereochemistry. Applications of this strategy to the synthesis of natural products will be demonstrated. In addition\, the methodology is used to answer fundamental questions about nature and the specific role of methyl substituents in carbon chains. By understanding their role\, I will show that molecules can be created with linear or helical conformations or hybrids of the two. \nFinally\, I will show new triggers for 1\,2-metalate rearrangements of boronate complexes using strain release as an additional driving force and we use this chemistry to make functionalized cyclobutanes and azetidines.
URL:https://www.chemistry.ucla.edu/seminars/synthesis-boron-world/
CATEGORIES:Organic Colloquium,Seminars
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=America/Los_Angeles:20210513T120000
DTEND;TZID=America/Los_Angeles:20210513T120000
DTSTAMP:20260618T073003
CREATED:20210331T173043Z
LAST-MODIFIED:20210331T173043Z
UID:13483-1620907200-1620907200@www.chemistry.ucla.edu
SUMMARY:Chem 218 Student Exit Seminar: Erin Avery
DESCRIPTION:Exploration of Chemical Functionality of Self-Assembled Carborane Derivatives
URL:https://www.chemistry.ucla.edu/seminars/chem-218-student-exit-seminar-erin-avery/
CATEGORIES:Other,Seminars
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=America/Los_Angeles:20210513T130000
DTEND;TZID=America/Los_Angeles:20210513T130000
DTSTAMP:20260618T073003
CREATED:20210506T222050Z
LAST-MODIFIED:20210506T222050Z
UID:13494-1620910800-1620910800@www.chemistry.ucla.edu
SUMMARY:CIC Careers in Green Chemistry Seminar Series
DESCRIPTION:The Center for Integrated Catalysis is hosting a new seminar series called the “Careers in Green Chemistry.” With these webinars\, we aim to bring speakers from a wide variety of careers\, linked through green chemistry\, to come talk about their current job as well as the career path that led them to that position. We are pleased to invite all students\, postdocs\, and faculty.
URL:https://www.chemistry.ucla.edu/seminars/cic-careers-green-chemistry-seminar-series-0/
CATEGORIES:Other,Seminars
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