It was actually lugh who retrieved the article, I just hosted it.

You have gotten it all wrong, they say they are condensing the structure IX with the hydrochloride salt of lysergic acid chloride using chloroform/tributylamine as solvent. There are also talk about making the acid chloride with oxalyl chloride and then something about making the acylazide with NaN₃ - some german bee migh shed some light on this.