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A freshly prepared solution of hydrogen
chloride (16 g, 0.45 mol) in 250 ml of
anhydrous ethanol was cooled to 20¡ãC in
an ice bath, and 20 g (65 mmol) of glutathione
was added and dissolved by gentle
shaking. The mixture was allowed to stand
at 20¡ãC for 2.5 h, during which time the
progress of the reaction was followed by
thin-layer chromatography (see Materials
and Methods). The solution was then
cooled to 0¡ãC and 1.8 liter of ice-cold, dry
diethyl ether was added. The precipitate
which formed was allowed to settle for l-
3 h at 0¡ãC. The ether was decanted and
the precipitate was washed twice with 500
ml of ice-cold ether. The product, after
drying in vacua over CaClz and KOH, was
obtained in 98% yield. The content of
glutathione monoethyl ester found on
amino acid analysis (see Materials and
Methods) varied from 90 to 98%; the other
components were glutathione and glutathione
diethyl ester. The preparations
obtained typically contained O-5% glutathione.

ÎÄÏ×

Glutathione monoethyl ester: Preparation, uptake by tissues, and conversion to glutathione
Archives of biochemistry and biophysics
1985 Jun
239(2):538-48.
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6Â¥: Originally posted by bbsoslolita at 2015-10-07 19:04:45
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