(3R)-3-(Pyrrol-1-yl)but-1-ene 4a, (3R)-4-methyl-3-(pyrrol-1-yl)pent-1-ene 4b, (3R)-3-(pyrrol-1-yl)hex-1-ene 4c in high enantiomeric excess (>92%) were prepared starting from d-α-amino acids. The crucial steps in the synthesis, reduction (DIBAH) of the corresponding pyrrolylesters to the corresponding pyrrolylaldehydes followed by Wittig olefination proceeded without compromising the stereochemical integrity.
A new class of optically active pyrrole derivatives. (3R)-3-(pyrrol-1-yl)alk-1-enes from D-a-aminoacids
MANDOLI, ALESSANDRO;
2003-01-01
Abstract
(3R)-3-(Pyrrol-1-yl)but-1-ene 4a, (3R)-4-methyl-3-(pyrrol-1-yl)pent-1-ene 4b, (3R)-3-(pyrrol-1-yl)hex-1-ene 4c in high enantiomeric excess (>92%) were prepared starting from d-α-amino acids. The crucial steps in the synthesis, reduction (DIBAH) of the corresponding pyrrolylesters to the corresponding pyrrolylaldehydes followed by Wittig olefination proceeded without compromising the stereochemical integrity.File in questo prodotto:
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