[CH2:1]([OH:12])[CH2:2][CH2:3][CH2:4][CH2:5][CH2:6][CH2:7][CH2:8][CH2:9][CH2:10][CH3:11].[CH2:13]([N:16]=[C:17]=[O:18])[CH2:14][CH3:15]>C(OCC)C>[CH2:13]([NH:16][C:17](=[O:18])[O:12][CH2:1][CH2:2][CH2:3][CH2:4][CH2:5][CH2:6][CH2:7][CH2:8][CH2:9][CH2:10][CH3:11])[CH2:14][CH3:15]For example, 8.6 g (50 mmol) of 1-undecanol, 5 ml (1.07 eq.) n-propyl isocyanate and 50 ml diethyl ether were heated in a stainless steel bomb at 65° for 72 hours. Solvent and excess isocyanate were removed on a rotary evaporator and the residue was crystallized from hexane to give 11.5 g (89%) of 1-undecyl propylcarbamate, mp 45°-45.5°.
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