Multistep reaction; the possibility of the application of the new PetOH protecting group in peptide synthesis was investigated via the rate of racemization;

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<b>With</b>&nbsp; <a href="#" onclick="return RXDsubstances(event, this, '110354', constants.ctx, '0')">4-(N,N-dimethlyamino)pyridine</a>;&nbsp;<a href="#" onclick="return RXDsubstances(event, this, '610662', constants.ctx, '0')">dicyclohexyl-carbodiimide</a>&nbsp;<b>in</b>&nbsp; <a href="#" onclick="return RXDsubstances(event, this, '1730800', constants.ctx, '0')">dichloromethane</a> <br />&nbsp;1) -20 degC, 10 min.; 2) 20 degC, 3 h;&nbsp;<br /> &nbsp;