... The solvent volume was then reduced to incipient crystallization in vacuo, and the solution was ... Mayer, Peter; Schmedt auf der Guenne, Joern; Schulz, Axel; Villinger, Alexander; Weigand, Jan J. ... of Mes*-N:P-Cl (Mes* = 2,4,6-tBu3C6H2) with trimethylsilylazide (TMS-N3) gave the ...