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![α-Amino acid methyl esters are relatively unstable: a bottle goes bad in a few months at room temperature. An α-amino acid methyl ester of formula C10H13NO2 is converted into a compound of formula C18H18N2O2 and a compound of formula CH40 upon standing: CH40 H2N ー → C18H18N2O2 (not balanced) C10H13NO2 an α-amino acid methyl ester R=? The NMR spectra of C10H13NO2 and of C18H18N202 are shown below. (a) [8 points] In the boxes provided draw the structure of C10H13NO2 and of C18H18N202. 3H C10H13NO2 2H SH 2H 1H 7.000 5.000 3,000 2.000 1.000 Chemical shift ppm] 10H 4H 2H 2H Chemleal shift [ppm (b) [2 points] Draw the structure of CH4O in the box provided.](https://d2vlcm61l7u1fs.cloudfront.net/media%2Ffe9%2Ffe9c240f-ced9-4088-89d4-623792b757df%2FphpPB6DZX.png)
Alpha-Amino acid methyl esters are relatively unstable: a bottle goes bad in a few months at room temperature. An alpha-amino acid methyl ester of formula C_10 H_13 NO_2 is converted into a compound of formula C_18 H_18 N_2 O_2 and a compound of formula CH_4 O upon standing: The NMR spectra of C_10 H_13 NO_2 and of C_18 H_18 N_2 O_2 are shown below. (a) In the boxes provided draw the structure of C_10 H_13 NO_2 and of C_18 H_18 N_2 O_2. (b) Draw the structure of CH_4O in the box provided.
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