Download full text in PDF Opens in a new window. Article suggestions will be shown in a dialog on return to ScienceDirect. ... Please enable JavaScript to use all the features on this page. ... KH 2 PO 4 , buffered K-Selectride gives with 3-keto gibberellin acids, borates which are reduced stereoselectively to 3β-ols. ... Several alcohols were tried as a proton source under a variety of conditions but protonation of the enolate was too slow below −30° and above this ...
