Search for tag: "proton"

44 Media

Alkene-Alkyne synth-edit2 duration 10 minutes 4 seconds Alkene-Alkyne synth-edit2 Alkene-Alkyne synth-edit2	Alkene-Alkyne synth-edit2 alkene alkyne synthesis reaction elimination alkine step water proton base alkenes sodium terminal carbocation amide dehydrogenation ion acid beta halide bromide pka electrons From Don Davies 0 likes 108 plays 0
Markov add-edit2 duration 8 minutes 33 seconds Markov add-edit2 Markov add-edit2	Markov add-edit2 markovnikov addition hydrohalogenation hydration carbocation reaction proton alkene carbon bond water halide hydrogen pi bromide side electrons ion chloride selectivity acid alkine From Don Davies 0 likes 89 plays 0
SN2 & E2 part2-edit2 duration 10 minutes 38 seconds SN2 & E2 part2-edit2 SN2 & E2 part2-edit2	SN2 & E2 part2-edit2 sn2 e2 reaction bromide carbon halide methyl hydrogen base nucleophile sn silver planar elimination iodide beta methoxide side proton methanol factor chemistry From Don Davies 0 likes 84 plays 0
Intro to Acids & Bases-edit2 duration 5 minutes 59 seconds Intro to Acids & Bases-edit2 Intro to Acids & Bases-edit2	Intro to Acids & Bases-edit2 acids bases acid base definition water pair lewis pka reaction proton hydroxide examples chloride electrons boron values table direction conjugate From Don Davies 0 likes 90 plays 0
Dieckmann & cyclic aldol-edit2 duration 4 minutes 46 seconds Dieckmann & cyclic aldol-edit2 Dieckmann & cyclic aldol-edit2	Dieckmann & cyclic aldol-edit2 dieckmann aldol cyclization alpha condensation electrons ring deprotonation forms carbon ester hydroxide ch enolate proton aldehyde yate groups starting reactions materials beta From Don Davies 0 likes 43 plays 0
Mixed aldol & Claisen-edit2 duration 4 minutes 5 seconds Mixed aldol & Claisen-edit2 Mixed aldol & Claisen-edit2	Mixed aldol & Claisen-edit2 aldol claisen alpha condensation ester enolate ch ketone reaction cross steps react thing chalcone selectivity beetle ring aldehyde groups reactions proton From Don Davies 0 likes 43 plays 0
hydrolysis of acetal & Prot Gps-edit2 duration 4 minutes 17 seconds hydrolysis of acetal & Prot Gps-edit2 hydrolysis of acetal & Prot Gps-edit2	hydrolysis of acetal & Prot Gps-edit2 acetal protecting group aldehyde ketone reaction step yard carbon alcohol acid bit structure ethanol phenyl proton groups triphenylphosphine vitigtritmterial change amount reactions From Don Davies 0 likes 57 plays 0
Friedel-Craft-edit2 duration 10 minutes 30 seconds Friedel-Craft-edit2 Friedel-Craft-edit2	Friedel-Craft-edit2 friedel-craft reaction chloride craft alkylation acid carbocation ring carbon benzene aluminum friel isolation electrons groups ion step toluene proton reduction mechanism From Don Davies 0 likes 70 plays 0
Aromatic classification-edit2 duration 12 minutes 39 seconds Aromatic classification-edit2 Aromatic classification-edit2	Aromatic classification-edit2 aromatic classification electrons benzene structure nitrogen bond compound compounds orbitals resonance stability aromaticity reaction question parole proton cyclopentadiene conjugation rule ring carbon From Don Davies 0 likes 79 plays 0
NMR splitting-edit2 duration 12 minutes 57 seconds NMR splitting-edit2 NMR splitting-edit2	NMR splitting-edit2 1h nmr spin-spin splitting beta protons hydrogens peak carbon alpha proton spin carbonyl splitting peaks quartet methyl unsaturation electron doublet carbons degree methylene structure From Don Davies 0 likes 96 plays 0
Time dependence-edit2 duration 2 minutes 16 seconds Time dependence-edit2 Time dependence-edit2	Time dependence-edit2 time dependence peak ring interconversion deuterium protons speed camera peaks proton water oxide d2o drop trick oxygen exchange blades shutter temperature protein From Don Davies 0 likes 63 plays 0
stereochemical relationships splitting-edit2 duration 4 minutes 20 seconds stereochemical relationships splitting-edit2 stereochemical relationships splitting-edit2	stereochemical relationships splitting-edit2 stereochemical splitting diastereotopic enanteotopic structure deuterium proton relationship environments calculation chemical protons doublet hydrogen centers hydrogens homeotopicllright images mirror hb doubles chlorine properties structures From Don Davies 0 likes 70 plays 0
13C NMR splitting-edit2.mp4 duration 4 minutes 34 seconds 13C NMR splitting-edit2.mp4 13C NMR splitting-edit2.mp4	13C NMR splitting-edit2.mp4 carbon structure hydrogens groups ch carbons spectrum peaks mr depth methyl peak carbonyl dep ach proton resins quartet metho spectra From Don Davies 0 likes 66 plays 0
NMR data aquisition-edit2 duration 2 minutes 28 seconds NMR data aquisition-edit2 NMR data aquisition-edit2	NMR data aquisition-edit2 nmr carbon ratio transform mr energy spectroscopy scans signal proton abundance nuclei pulse decay induction computer frequency wave mhz nucleus hydrogen From Don Davies 0 likes 70 plays 0
Intro to NMR spect-edit2 duration 4 minutes 42 seconds Intro to NMR spect-edit2 Intro to NMR spect-edit2	Intro to NMR spect-edit2 nmr spin field nuclei spectroscopy beta energy alpha proton radio carbon ratio frequency gap protons span pieces groups increases delta From Don Davies 0 likes 79 plays 0
chemical shift-edit2 duration 12 minutes 9 seconds chemical shift-edit2 chemical shift-edit2	chemical shift-edit2 chemical shift carbon field protons shift proton mr chemical nucleus hz ppm frequency peaks peak electrons electron downfield effect p.m. mhz scale From Don Davies 0 likes 98 plays 0