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11 Nov 2019
Bment, Organic Chemistry 262 Due on Wednesday, March 14, 2018 Total: 10 pts Your name: Your partners: Compound 1. Deduce structure of compound 1 based upon the following data. Mp. 396-398 °C; iH NMR (500 MHz, chloroform-d): δ= 6.888 (t, J= 20, 6 H.), 6.547 (d, J-20, I 2 H 5.696 (s, 6 H), 1.253 (s, 54 H):"C NMR (125 MHz, chlorofom-d): δ-153.6, 144.0, 142.3 (instrument artefact), 108.9, 104.8, 34.7, 31.2; IR (ZnSe, cm-): 3390, 1585; LR-HR-FAB MS (3-NBA) cluster, m/z (ion type, % RA for m: 200-1200, deviation from the formula) at 883.6322 ([M+1, 89, 0.0 ppm for C1C39'H78No), 882.6276 ([M, 100, 1.3 ppm for 1"Co'Hrs'No) Plots of NMR spectra for compound 1 are on page 2 Compound 2. Deduce structure of compound 2 prepared in the following reaction. OH conc. HCUH20 (1:1) H. compound 2 120 °C, 4h CH C20H24N20 Plots of 'H NMR and IR spectra for compound 2 are on page 3. Compound 2 has 16 carbons, 20 hydrogens, 2 nitrogens and an unknown number of oxygens
Bment, Organic Chemistry 262 Due on Wednesday, March 14, 2018 Total: 10 pts Your name: Your partners: Compound 1. Deduce structure of compound 1 based upon the following data. Mp. 396-398 °C; iH NMR (500 MHz, chloroform-d): δ= 6.888 (t, J= 20, 6 H.), 6.547 (d, J-20, I 2 H 5.696 (s, 6 H), 1.253 (s, 54 H):"C NMR (125 MHz, chlorofom-d): δ-153.6, 144.0, 142.3 (instrument artefact), 108.9, 104.8, 34.7, 31.2; IR (ZnSe, cm-): 3390, 1585; LR-HR-FAB MS (3-NBA) cluster, m/z (ion type, % RA for m: 200-1200, deviation from the formula) at 883.6322 ([M+1, 89, 0.0 ppm for C1C39'H78No), 882.6276 ([M, 100, 1.3 ppm for 1"Co'Hrs'No) Plots of NMR spectra for compound 1 are on page 2 Compound 2. Deduce structure of compound 2 prepared in the following reaction. OH conc. HCUH20 (1:1) H. compound 2 120 °C, 4h CH C20H24N20 Plots of 'H NMR and IR spectra for compound 2 are on page 3. Compound 2 has 16 carbons, 20 hydrogens, 2 nitrogens and an unknown number of oxygens
Jean KeelingLv2
8 Feb 2019