A disadvantage in the use of the t-butyloxycarbonyl(BOC) groupls2 for N-protection in peptide synthesis is that the acidic conditions normally employed for its removal 3\*495 also effect the cleavage of the t-butyl ester group. The latter is used mainly to
A new reagent for the cleavage of the tertiary butyloxycarbonyl protecting group
β Scribed by A. Loffet; C. Dremier
- Book ID
- 112699497
- Publisher
- Springer
- Year
- 1971
- Tongue
- English
- Weight
- 512 KB
- Volume
- 27
- Category
- Article
- ISSN
- 1420-682X
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π SIMILAR VOLUMES
## Abstract The value of several reagents capable of removing quantitatively the Ξ±βamino protecting group of NPSβaminoacylβ or peptidylβderivatives is assessed, by comparison with the reagents currently used, __i.e.__ hydrogen chloride, RS^β^βnucleophiles or alkyl thioamides, especially with regard
The diethylisopropylsilyl (DEIPS) group which is a new protective group for alcohols has been first characterized. DEIPS group can be distinguished from t-butyldimethylsilyl, triethylsilyl, tetrahydropyranyl groups and 2-deoxy glycoside with high selectivity in removing under mild acidic condition,
## A new reagent to incorporate the 2-(1adamantyl)-2-propyloxycarbonyl (Ad-POC) protecting group into amines, 2-(1-adamantyl)-2-propyl p-nitrophenylcarbonate, was prepared in two steps from the commercially available 1-adamantylcarbonyl chloride. The Ad-POC group was introduced into a variety of am