33 research outputs found
A parallel right-handed duplex of phosphate-methylated d(CpC) exclusively for the SP configuration of the phosphate triester group
Get PDFA novel synthetic approach to phosphate-methylated DNA oligomers using 9-fluorenylmethoxycarbonyl (Fmoc) as temporary base amino protecting group
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Optimization of the separation of the Rp and Sp diastereomers of phosphate-methylated DNA and RNA dinucleotides
Full text linkSynthesis and conformation of phosphate-methylated r(CpU) and r(ApU) : formation of a parallel right-handed duplex for Sp-r(CpU)
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Organocatalysed asymmetric Mannich reactions
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Synthesis of amides from unprotected amino acids by a simultaneous protection–activation strategy using dichlorodialkyl silanes
No full textReaction of l-phenylalanine (1) with dichlorodimethylsilane or other dichlorosilane derivatives 6b–d and primary amines leads to the formation of amides probably via a cyclic silyl intermediate. It is also possible to use β-amino acids and N-alkylated amino acids (peptoid building blocks) as well as the amino dicarboxylic acid l-aspartic acid. The latter leads to almost exclusive formation of the α-amide
Production of L-Aspartyl-D-Alanine 3-Thietanyl-Amide Di:Peptide Sweeteners
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