Ethelynediamine is going to be wholly different. It lacks those 4 coordinating carboxyls that bind metals. This use seems more like a substitute for ammonia.This is the closest I could find. It replaces NH3 with ethylenediamine in THF.
Scalable Birch reduction with lithium and ethylenediamine in ... https://www.researchgate.net/public...ithium_and_ethylenediamine_in_tetrahydrofuran
I would substitute EDTA for ethylenediamine if I were a chemist based on what I read the other day but can't find now.