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process for preparing trichloroacetyl chloride.
verfahren zur herstellung von trichloracetylchlorid.
Ultimo aggiornamento 2014-11-28
Frequenza di utilizzo: 2
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process for the preparation of trichloroacetyl chloride
verfahren zur herstellung von trichloracetylchlorid
Ultimo aggiornamento 2014-11-28
Frequenza di utilizzo: 2
Qualità:
9.4 g of trichloroacetyl isocyanate are subsequently added dropwise.
anschließend werden 9,4 g trichloracetylisocyanat zugetropft.
Ultimo aggiornamento 2014-12-03
Frequenza di utilizzo: 2
Qualità:
9.4 g (0.05 mol) of trichloroacetyl isocyanate are subsequently added dropwise over the course of 30 minutes.
anschließend werden inner halb 30 min 9,4 g (0,05 mol) trichloracetylisocyanat zu getropft.
Ultimo aggiornamento 2014-12-03
Frequenza di utilizzo: 2
Qualità:
an especially suitable protecting group in this case is the trichloroacetyl group which can be removed by hydrolysis, for example with potassium carbonate in water, after the reaction has been carried out.
eine besonders geeignete schutzgruppe ist dabei die trichloracetylgruppe, welche nach erfolgter umsetzung beispielsweise mit kaliumcarbonat in wasser durch hydrolyse wieder entfernt werden kann.
Ultimo aggiornamento 2014-12-03
Frequenza di utilizzo: 2
Qualità:
these preferably include: benzyloxycarbonyl, 2,4-dimethoxybenzyloxycarbonyl, 4-methoxybenzyloxycarbonyl, methoxycarbonyl, ethoxycarbonyl, tert-butoxycarbonyl, allyloxycarbonyl, phthaloyl, 2,2,2-trichloroethoxycarbonyl, fluorenyl-9-methoxycarbonyl, formyl, acetyl, 2-chloroacetyl, 2,2,2-trifluoroacetyl, 2,2,2-trichloroacetyl, benzoyl, 4-chlorobenzoyl, 4-bromobenzoyl, 4-nitrobenzoyl, phthalimido, isovaleroyl or benzyloxymethylene, 4-nitrobenzyl, 2,4-dinitrobenzyl, 4-nitrophenyl, 4- methoxyphenyl or triphenylmethyl.
hierzu gehören bevorzugt: benzyloxycarbonyl, 2,4-dimethoxybenzyloxycarbonyl, 4-methoxybenzyloxycarbonyl, methoxycarbonyl, ethoxycarbonyl, tert.butoxycarbonyl, allyloxycarbonyl, phthaloyl, 2,2,2-trichlorethoxycarbonyl, fluorenyl-9-methoxycarbonyl, formyl, acetyl, 2-chloracetyl, 2,2,2-trifluoracetyl, 2,2,2-trichloracetyl, benzoyl, 4-chlorbenzoyl, 4-brombenzoyl, 4-nitrobenzoyl, phthalimido, isovaleroyl oder benzyloxymethylen, 4-nitrobenzyl, 2,4-dinitrobenzyl, 4-nitrophenyl, 4-methoxyphenyl oder triphenylmethyl.
Ultimo aggiornamento 2014-12-03
Frequenza di utilizzo: 4
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