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The observation of an oxaphosphetane intermediate in the phosphonate modification of the wittig oelfin synthesis

โœ Scribed by Eli Breur; Shmuel Zbaid; Evelyne Sgall

Book ID
104244760
Publisher
Elsevier Science
Year
1979
Tongue
French
Weight
137 KB
Volume
20
Category
Article
ISSN
0040-4039

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โœฆ Synopsis

A signal at high field is observed in the 31 P nmr of the reaction mixtures of some ketones with a five-membered cyclic phosphonate.

๐Ÿ“œ SIMILAR VOLUMES

Nucleoside h-phosphonates: Valuable inte
Nucleoside h-phosphonates: Valuable intermediates in the synthesis of deoxyoligonucleotides
โœ B.C. Froehler; M.D. Matteucci ๐Ÿ“‚ Article ๐Ÿ“… 1986 ๐Ÿ› Elsevier Science ๐ŸŒ French โš– 250 KB

Nucleoside H-Phosphonates are used directly in the synthesis of H-phosphonate linked deoxyoligonucleotides. A rapid and simplified procedure for the synthesis of deoxyoligonucleotides is described. Ribonucleoside H-phosphonate I. was introduced by Todd to prepare diribonucleotide 1 phosphate 4 (Sche