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All 3 posts Subject: Eugenol demethylation - What happends Please login to post Down

eXcidium
(Stranger)
02-24-04 21:12
No 490854
      Eugenol demethylation - What happends

Hey

Does anyone have a clue in regartd to what happends (chemically) to the AlI₃ and the eugenol in the following procedure?

From Rhodium's :

Abstract: Reflux aluminium powder with iodine in benzene or cyclohexane for 90 min to produce AlI3. Add equimolar amounts of vanillin, 0.25 eqv PTC (tetrabutylammonium iodide, chloride may also work), reflux for 20 min, and isolate the protocatechualdehyde (88%)

And, Can the AlI₃ / Cyclohexane be used another time?

Let God Die And Rot

Rhodium
(Chief Bee)
03-03-04 00:17
No 492505
User Picture       Nope, the AlI3 is not reusable

AlI₃ + Eugenol -> 4-Allylcatechol + MeI + Al³⁺

^{The Hive - Clandestine Chemists Without Borders}

eXcidium
(Stranger)
03-03-04 13:11
No 492632
      now just one more!

Thanks, Master R.

So there is no way of getting the AlI[SUB]3 back...
I just had a ideia that would be possible somehow

Anyway,, this is good info already, thanks

Let God Die And Rot

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	All 3 posts		Subject: Eugenol demethylation - What happends		Please login to post		Down


		eXcidium (Stranger) 02-24-04 21:12 No 490854				Eugenol demethylation - What happends
						Hey Does anyone have a clue in regartd to what happends (chemically) to the AlI₃ and the eugenol in the following procedure? From Rhodium's : Abstract: Reflux aluminium powder with iodine in benzene or cyclohexane for 90 min to produce AlI3. Add equimolar amounts of vanillin, 0.25 eqv PTC (tetrabutylammonium iodide, chloride may also work), reflux for 20 min, and isolate the protocatechualdehyde (88%) And, Can the AlI₃ / Cyclohexane be used another time? Let God Die And Rot



		Rhodium (Chief Bee) 03-03-04 00:17 No 492505				Nope, the AlI3 is not reusable
						AlI₃ + Eugenol -> 4-Allylcatechol + MeI + Al³⁺ ^{The Hive - Clandestine Chemists Without Borders}



		eXcidium (Stranger) 03-03-04 13:11 No 492632				now just one more!
						Thanks, Master R. So there is no way of getting the AlI[SUB]3 back... I just had a ideia that would be possible somehow Anyway,, this is good info already, thanks Let God Die And Rot

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