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Can be used to protect alcohols as keto esters. Hydrazine reacts first with the ketone carbonyl and cleaves the ester intramolecularly by a "trigger" mechanism: J. Am. Chem. Soc., 91, 3356 (1969)./n
Enantioselective ɑ-mono- or dialkylation can be effected using L-(+)-Valinol, L11300, as a chiral auxiliary: J. Am. Chem. Soc., 106, 1146 (1984)./n
해저드 설명서 (EU): H315-H319-H335
Causes skin irritation. Causes serious eye irritation. May cause respiratory irritation.
주의 설명서: P261-P280a-P305+P351+P338-P304+P340-P405-P501a
Avoid breathing dust/fume/gas/mist/vapours/spray. Wear protective gloves and eye/face protection. IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing. IF INHALED: Remove to fresh air and keep at rest in a position comfortable for breathing. Store locked up. Dispose of contents/container in accordance with local/regional/national/international regulations.