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A highly efficient, practical, and stereoselective approach to the synthesis of α 1→4 linked galactooligosaccharides

✍ Scribed by Yoshiaki Nakahara; Tomoya Ogawa

Book ID
108382964
Publisher
Elsevier Science
Year
1987
Tongue
French
Weight
267 KB
Volume
28
Category
Article
ISSN
0040-4039

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Diphenyl cyanomethylenephosphonate (PhO)2POCH2CN was prepared as a stable crystalline solid in high yield in a single step from acetonitrile, LDA, and (PhO)2P(O)C1. The potassium ylide generated from this compound afforded o;//-unsaturated nitriles upon reacting with aldehydes, with a stereoselectiv