Search for tag: "resonance"

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02:08 Residency Experiences: A Supportive Environment:… Residency Experiences: A Supportive Environment: Dr. Kelly O'Connell and Asst. Professor Dr. Kriti Gwal	Residency Experiences: A Supportive Environment: Dr. Kelly O'Connell and Asst. Professor Dr. Kriti Gwal Resident Kelly O'Connell talks about how she was supported by the UC Davis Radiology residency program and faculty when she was pregnant during her first year of residency. residency residents resonance addition mommy lives aspects faculty experience impact room reading davis things discussion mom ultrasound baby birth hours From Vanessa Wiseman 0 likes 30 plays 0
57:03 510 LaMar 510 LaMar	510 LaMar This interview is with Gerd La Mar, Professor Emeritus of Chemistry. After receiving his Ph.D. from Princeton and post-doctoral fellowships at the University of Copenhagen and the Swiss Federal… nmr spectroscopy proteins enzymes porphyirin nmr instrumentation chemistry protein structure resonance field students things engineering porphyrin machine point biochemistry hemoglobin campus lot lab science From Alan Jackman 0 likes 61 plays 0
01:55:00 CHE-118B: 2022-08-25 07:57 CHE-118B: 2022-08-25 07:57	CHE-118B: 2022-08-25 07:57 Problems with Friedel-Crafts Alkylation, Friedel-Crafts Acylation, Redox of Benzylic Groups, Electron Donation on Substituted Benzenes (Activators/Deactivators), Ortho/Meta/Para Direction of… ortho para things resonance groups bit electrophile oxygen electrons carbon substituent benzene lot nitrogen activators bromine reaction ring carbocation electron From Sarah Lievens 0 likes 205 plays 0
01:55:00 CHE-118B: 2022-08-24 07:57 CHE-118B: 2022-08-24 07:57	CHE-118B: 2022-08-24 07:57 Determining Aromatic vs. Anti-Aromatic vs. Non-Aromatic, Aromatic Ions, Aromatic Heterocycles, General Electrophilic Aromatic Substitution Mechanism, Halogenation of Benzene, Nitration of Benzene,… bond ring carbon electrons things benzene bit pi electrophile acid thing bonds resonance lot sulfur pair ion minus pattern planar From Sarah Lievens 0 likes 208 plays 0
01:55:00 CHE-118B: 2022-08-17 07:57 CHE-118B: 2022-08-17 07:57	CHE-118B: 2022-08-17 07:57 Lecture Starts at 56:20 Reactions Allylic Systems - Allylic Radical Halogenation, Delocalization and Conjugated Dienes, Molecular Orbitals of Conjugated Dienes, Consequences of Conjugation on… bond alkene bit thing alkenes bonds bromo carbon pi systems bromine radicals things trans side lot energy delocalization resonance ions From Sarah Lievens 0 likes 165 plays 0
01:55:00 CHE-118B: 2022-08-16 07:57 CHE-118B: 2022-08-16 07:57	CHE-118B: 2022-08-16 07:57 Electrophilic Addition to Alkynes - Hydrohalogenation, Halogenation, Hydration; Reactions of Vinyl Halides, Heck Reaction, Introduction to Delocalization and Allylic Systems, Molecular Orbitals of… bond bit carbon alkene pi lot electrons palladium side dot delocalization things orbitals bonds reaction energy resonance reactions markovnikov systems From Sarah Lievens 0 likes 272 plays 0
26:13 118CSpr21L22p1 118CSpr21L22p1	118CSpr21L22p1 Heterocyclopentadienes nitrogen ring c2 bit pair heterocycle dot resonance thiophene substitution lot things electrophile position side minus hydrogen parole catalyst sulfur From Sarah Lievens 0 likes 331 plays 0
10:44 118CSpr21L22p3 118CSpr21L22p3	118CSpr21L22p3 Introduction to Pyridines substitution pyridine acid position wednesday electrons resonance nitrogen things midterm stuff proton nmr ring pair rings groups activators yield director From Sarah Lievens 0 likes 285 plays 0
20:24 118CSpr21L21p1 118CSpr21L21p1	118CSpr21L21p1 Mechanism of Thiazolium Coupling alkyl carbon resonance aldehyde nitrogen bit bond minus sulfur acyl ring heterocycle step nucleophile structure hydroxide proton things reactions hydrogen From Sarah Lievens 0 likes 336 plays 0
08:04 118CSpr21L18p3 118CSpr21L18p3	118CSpr21L18p3 pKa of Beta-Dicarbonyls beta ester oxygen keto carbon monday ketone minus diester hydrogen charge bond bit side nucleophile reactions esters resonance ions alpha From Sarah Lievens 0 likes 306 plays 0
23:51 118CSpr21L18p1 118CSpr21L18p1	118CSpr21L18p1 Claisen Condensations ester beta base enolate condensation keto reaction alpha claisen bit acid carbon resonance electrophile structures acyl esters hydrogens transesterification thing From Sarah Lievens 0 likes 397 plays 0
24:20 118CSpr21L17p3.mp4 118CSpr21L17p3.mp4	118CSpr21L17p3.mp4 Arene Diazonium Ions and Sandmeyer Reactions diazonium para nitrogen copper ion substitution ortho degrees reaction acid ring chlorine nucleophile resonance hcl director bond no2 sodium chapter From Sarah Lievens 0 likes 367 plays 0
29:12 118CSpr21L15p2 118CSpr21L15p2	118CSpr21L15p2 Nucleophilic Aromatic Substitution and Benzyne Reactions substitution groups benzyne electron things bit elimination ortho nucleophile position phenol resonance intermediate ring stuff reactions step heat degrees chlorine From Sarah Lievens 0 likes 386 plays 0
32:43 118CSpr21L14p1 118CSpr21L14p1	118CSpr21L14p1 Reactivity of Benzylic Carbons position ring benzene reactions positions benzyl resonance carbon electrons reaction radicals things bit nucleophile bond bromide alkyl alcohol pka groups From Sarah Lievens 0 likes 425 plays 0
29:03 118CSpr21L4p1 118CSpr21L4p1	118CSpr21L4p1 pKa of Carboxylic Acids and Derivatives. acid acids electrons oxygen things resonance bit lot ester pka numbers minus proton hydrogen folks range structure ketone carboxylic electron From Sarah Lievens 2 likes 492 plays 0
32:32 118CSpr21L3p2 118CSpr21L3p2	118CSpr21L3p2 Spectroscopy of Carboxylic Acids and Derivatives bond acid bit resonance nmr carbon proton lot carboxylic oxygen ester acids ppm aldehyde character aldehydes carbonyl ketones nitrogen things From Sarah Lievens 1 likes 540 plays 0