1,4BDO -> GBL byproducts , Hive Newbee Forum


		fierceness (Hive Addict) 02-04-04 02:11 No 486250				1,4BDO -> GBL byproducts
						What are the byproducts of the 1,4BDO -> GBL reaction with copper chromite catalyst (besides the obvious unreacted 1,4BDO). I'm wondering if distillation afterwards is necessary (after filtration of the catalyst). Correct me if I'm wrong, but since the dosage of 1,4BDO and GBL are about the same by volume (1ml), no separation of these two are really needed. If there are some impurities formed that are soluble in the GBL/BDO mix, what about converting the GBL portion to NaGHB and doing an ethanol recrystalliztion of it to rid it of impurities? Thanks!



		Rhodium (Chief Bee) 02-05-04 04:23 No 486479				purify, just as you always need to do
						UTFSE for the patents posted on the products to find out what the byproducts are. You definitely need to perform a fractional distillation as some of the chromium/copper salts are soluble in the reaction mixture, and some really nasty butanal/butyric acid is formed as by products. ^{The Hive - Clandestine Chemists Without Borders}