The effect of sidearm heteroatoms and a quaternary methyl group at the pivot position in lariat ethers
β Scribed by Yohji Nakatsuji; Tetsuya Nakamura; Mitsuo Okahara; Dennis M. Dishong; George W. Gokel
- Book ID
- 104220601
- Publisher
- Elsevier Science
- Year
- 1982
- Tongue
- French
- Weight
- 122 KB
- Volume
- 23
- Category
- Article
- ISSN
- 0040-4039
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π SIMILAR VOLUMES
## Abstract Two ligands bearing the 2,6βpyridinedicarboxamide unit, namely PyPSMeH~2~ and PyPOMeH~2~, have been used to prepare complexes of Fe^III^ which have been structurally characterised. The potentially pentadentate thioether ligand PyPSMeH~2~ affords only the bis complex (Et~4~N)[Fe(PyPSMe)~
including the naturally occurring (2'R)dimethyl[ l-O-(2',3'-dihydroxypropyl)-5-deoxy-~-~-ribofuranos-5-yl]arsine oxide, were prepared in multi-step reactions from D-ribose and tetramethyldiarsine. The synthetic procedure uses the early substitution of the hydroxy group with bromine at C5, subsequent