图 书 馆开课单位--耶鲁大学
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120
111Lecture 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
112Lecture 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
113Lecture 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
114Lecture 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
115Lecture 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
116Lecture 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
117Lecture 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
118Lecture 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
119Lecture 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
120Lecture 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