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All 2 posts   Subject: why has no one ever tried other birch reductions   Please login to post   Down

 
    tantric4hrs
(Stranger)
12-18-03 01:28
No 477515
      why has no one ever tried other birch reductions     

this is a quote from rhodium:

Dimethyl Ethylene gycol ether. Na/K - very soluble K - moderate Na, Li, Ca - None Ethyl Methyl Ethylene Glycol ether Na/K - slight Dimethyl Diethylene glycol ether Na/K - very soluble Diethyl Diethylene Glycol ether Na/K - slightly Ethyl Methyl Diethylene Glycol ether Na/K - Moderate Methyl n-propyl Diethylene Glycol ether Na/K - slightly (a) n-Butyl Methyl Diethylene Gycol ether Na/K - very slightly (a) TetraHydroFuran Na/K - slightly 1-Methoxymethyltetrahydrofuran Na/K - Very soluble 1-ethoxymethyltetrahydrofuran Na/K - moderate (b) 2-Methyltetrahydrofuran Na/K - very slightly (a) Dioxan Na/K - None Cyclic tetramer of propylene oxide Na/K - Very soluble 1: 2-Dimethoxypropane Na/K - very slightly (a) Triethylene glycol dimethyl ether Na/K - very soluble Tetraethylene glycol dimethyl ether Na/K - very soluble Ethylenediamine very soluble Na/K - very Methoxyethylamine Na/K - very soluble
(only on proplonged cooling to 193 K)
( slightly at room temp; moderate on cooling to 193 K)
This article goes on to state:

Lithium - doesn't dissolve in dimethylamine but is quite soluble in ethylamine

i mean, wouldn't it be worth a TRY? and so simple. ethylene diamine is totally uncontralled, for one, and wouldn't it be MUCH safer to work with than liquid NH3?

"Decay is inherent in all compounded thing. Strive unceasingly."
 
 
 
 
    tantric4hrs
12-18-03 01:35
      btw
(Rated as: redundant)
    
 

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