开课单位--耶鲁大学
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Lecture 14 - The Quiet Revolution in Plastics[第14讲——塑料的无声革命]
John Wargo(耶鲁大学) Plastics are omnipresent but minimally understood and regulated in the United States. The lecture focuses on the dangers that chemicals in plastics po...
热度:40
John Wargo(耶鲁大学) Plastics are omnipresent but minimally understood and regulated in the United States. The lecture focuses on the dangers that chemicals in plastics po...
热度:40
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Lecture 37 - Proving the Configuration of Glucose and Synthesizing Two Unnatural Products[第37讲-证明葡萄糖的构型并合成两种非天然产物]
J. Michael McBride(耶鲁大学) Modern spectroscopic tools show not only the constitution, configuration, and conformation of glucose but also how it interconverts between isomeric h...
热度:47
J. Michael McBride(耶鲁大学) Modern spectroscopic tools show not only the constitution, configuration, and conformation of glucose but also how it interconverts between isomeric h...
热度:47
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Lecture 26 - Aromatic Substitution in Synthesis: Friedel-Crafts and Moses Gomberg[第26讲-合成中的芳香取代:Friedel Crafts和Moses Gomberg]
J. Michael McBride(耶鲁大学) The Friedel-Crafts reaction creates new alkyl- or acyl-aromatic bonds, with or without cation rearrangement. Designing reaction sequences, especially ...
热度:52
J. Michael McBride(耶鲁大学) The Friedel-Crafts reaction creates new alkyl- or acyl-aromatic bonds, with or without cation rearrangement. Designing reaction sequences, especially ...
热度:52
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Lecture 9 - Pentavalent Carbon? E2, SN1, E1[第九讲五价碳?E2,SN1,E1]
J. Michael McBride(耶鲁大学) Preliminary X-ray analysis of molecules that have been designed to favor a carbon with five bonds seemed to suggest the possibility of a pentavalent i...
热度:51
J. Michael McBride(耶鲁大学) Preliminary X-ray analysis of molecules that have been designed to favor a carbon with five bonds seemed to suggest the possibility of a pentavalent i...
热度:51
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Lecture 25 - C-13 and 2D NMR – Electrophilic Aromatic Substitution[第25讲-C-13和2D NMR–亲电芳香取代]
J. Michael McBride(耶鲁大学) Proton decoupling simplifies C-13 NMR spectra. Dilute double labeling with C-13 confirmed the complex rearrangement scheme in steroid biosynthesis. Tw...
热度:56
J. Michael McBride(耶鲁大学) Proton decoupling simplifies C-13 NMR spectra. Dilute double labeling with C-13 confirmed the complex rearrangement scheme in steroid biosynthesis. Tw...
热度:56
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Lecture 16 - Isoprenoids, Rubber, and Tuning Polymer Properties[第16讲-类异戊二烯、橡胶和调节聚合物特性]
J. Michael McBride(耶鲁大学) Isoprenoid or terpene natural products, that seem to be made from isoprene (2-methylbutadiene), are formed by oligomerization of electrophilic isopent...
热度:42
J. Michael McBride(耶鲁大学) Isoprenoid or terpene natural products, that seem to be made from isoprene (2-methylbutadiene), are formed by oligomerization of electrophilic isopent...
热度:42
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Lecture 36 - α-Reactivity and Condensation Reactions[第36讲-α-反应性和缩合反应]
J. Michael McBride(耶鲁大学) As in many synthetic procedures, an important challenge in ketone alkylation is choosing reagents and conditions that allow control of isomerism and o...
热度:46
J. Michael McBride(耶鲁大学) As in many synthetic procedures, an important challenge in ketone alkylation is choosing reagents and conditions that allow control of isomerism and o...
热度:46
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Lecture 24 - Higher-Order Effects, Dynamics, and the NMR Time Scale[第24讲-高阶效应、动力学和核磁共振时间标度]
J. Michael McBride(耶鲁大学) Because spin-spin splitting depends on electron spin precisely at a nucleus, splitting by a C-13 depends on its orbital’s hybridization. "H...
热度:71
J. Michael McBride(耶鲁大学) Because spin-spin splitting depends on electron spin precisely at a nucleus, splitting by a C-13 depends on its orbital’s hybridization. "H...
热度:71
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Lecture 27 - Triphenylmethyl and an Introduction to Carbonyl Chemistry[第27讲-三苯基甲基和羰基化学导论]
J. Michael McBride(耶鲁大学) Painstaking studies of his "hexaphenylethane" and its reactivity convinced Gomberg that he had prepared the first trivalent carbon compound,...
热度:46
J. Michael McBride(耶鲁大学) Painstaking studies of his "hexaphenylethane" and its reactivity convinced Gomberg that he had prepared the first trivalent carbon compound,...
热度:46
![](functions/showpic.php?filename=2021111801034449.png)
Lecture 20 - Electronic and Vibrational Spectroscopy[第20讲-电子和振动光谱学]
J. Michael McBride(耶鲁大学) Time-dependent quantum mechanics shows how mixing orbitals of different energy causes electrons to vibrate. Mixing 1s with 2p causes a vibration that ...
热度:84
J. Michael McBride(耶鲁大学) Time-dependent quantum mechanics shows how mixing orbitals of different energy causes electrons to vibrate. Mixing 1s with 2p causes a vibration that ...
热度:84