Goodwill Notoriously Absent In Miramax, MOC Lawsuit
…host of key differences. “The molecule is flipped, the author is left-handed, it’s in pencil, not pen, the sheet isn’t folded, there’s no coffee, CH2CH3 is depicted as a line…
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Ranking The Bulkiness Of Substituents On Cyclohexanes: “A-Values”
…kcal/mol) Br (0.43 kcal/mol) Isopropyl (2.15 kcal/mol) tert-Butyl (4.9 kcal/mol) Summary: “A-Values” Notes Quiz Yourself! (Advanced) References and Further Reading 1. A Numerical Ranking Of “Bulkiness” For Cyclohexane Substituents In…
Read moreThe Cyclohexane Chair Flip – Energy Diagram
…is 5.5 kcal/mol in energy above the cyclohexane chair. Twist-Boat (+5.5 kcal/mol) –> Boat (+6.5 kcal/mol) –> Twist Boat (+5.5 kcal/mol) Where to go from here? Well, the “twist” momentarily…
Read moreReactions of Diazonium Salts
…Synth. 1928, 8, 80 DOI Link: 10.15227/orgsyn.008.0080 Click to Flip Org. Synth. 1925, 4, 69 DOI Link: 10.15227/orgsyn.004.0069 Click to Flip Org. Synth. 1952, 32, 23 DOI Link: 10.15227/orgsyn.032.0023 Click…
Read moreThe Cyclohexane Chair Flip
…H. R. Barton, O. Hassel, K. S. Pitzer, V. Prelog Science 1954, 119, 49 DOI: 10.1126/science.119.3079.49 These are the first instances of the terms ‘axial’ and ‘equatorial’ being used to…
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…can read more about how Google uses your Personal Information here: https://www.google.com/intl/en/policies/privacy/. You can also opt-out of Google Analytics here: https://tools.google.com/dlpage/gaoptout. Finally, we may also share your Personal Information to…
Read moreCyclohexane Conformations
…[2.2.1]propellane, it is 5 kcal/mol. Ueber die geometrischen Isomerien der Hexamethylenderivate Sachse Chem. Ber. 1890, 23 (1), 1363-1370 DOI: 10.1002/cber.189002301216 Über die Konfigurationen der Polymethylenringe Sachse Z. Phys. Chem. 1892,…
Read moreCalculation of Ring Strain In Cycloalkanes
…kJ/mol) for the liquid phase and 655.9 kcal/mol for the gas phase. Coops, J.; Kaarsemaker, SJ., Heat of combustion of cyclobutane, Recl. Trav. Chim. Pays-Bas, 1950, 69, 1364. DOI: 10.1002/recl.19520710307…
Read moreElimination of Alcohols To Alkenes With POCl3
…also has a general procedure for POCl3-pyridine dehydration in the experimental section. A general approach to linearly fused triquinane natural products. Total syntheses of (.+-.)-hirsutene, (.+-.)-coriolin, and (.+-.)-capnellene Goverdhan Mehta,…
Read moreMy Recent Absence, Explained With 9 Molecules
…of highly toxic environmental hazards [safely of course] ? “Pretty much all of them”, I replied. Her face fell. “Oh. That’s going to complicate our analysis”. Heh heh. To make…
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