hydrogen sulfide; benzoic acid anhydride; isopentyl nitrite 1.) pyridine-AcOH, r.t.; 2.) pyridine-AcOH, r.t., 6 h; 3.) pyridine-AcOH; method for regenerating free 5'-phosphate of deoxyribo(oligo)nucleotides from their phosphorodianilidate derivatives; Mechanism;

<b>With</b>&nbsp; <a href="#" onclick="return RXDsubstances(event, this, '154629', constants.ctx, '0')">bis(2-pyridinyl)-disulfide</a>;&nbsp;<a href="#" onclick="return RXDsubstances(event, this, '610776', constants.ctx, '0')">triphenylphosphine</a>&nbsp;<b>in</b>&nbsp; <a href="#" onclick="return RXDsubstances(event, this, '103233', constants.ctx, '0')">pyridine</a> <br />3&nbsp;h;&nbsp;&nbsp;Ambient temperature;&nbsp;<br /> &nbsp;