𝔖 Bobbio Scriptorium
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Synthetic studies of 1,7-dioxaspiro[5.5]undecan-4-ones

✍ Scribed by D.R. Williams; B.A. Barner


Book ID
108381820
Publisher
Elsevier Science
Year
1983
Tongue
French
Weight
219 KB
Volume
24
Category
Article
ISSN
0040-4039

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📜 SIMILAR VOLUMES


An entry to 1,6-dioxaspiro[4.6]undecanes
✍ Anthony Ollivier; Marie-Eve Sinibaldi; Loïc Toupet; Mounir Traïkia; Isabelle Can 📂 Article 📅 2010 🏛 Elsevier Science 🌐 French ⚖ 591 KB

Ketones 11a-c obtained by iterative alkylation of acetone N,N-dimethylhydrazone with iodides 6 and 8a,b or epoxide 9 followed by SiO 2 /H 2 O-induced cleavage of the hydrazone were quantitatively transformed into 1,6-dioxaspiro[4.6]undecanes 12a,c and 1,7-dioxaspiro[5.6]dodecanes 12b using Yb(OTf) 3

An Expeditious Asymmetric Synthesis of P
✍ Sandrine Gerber-Lemaire; Pierre Vogel 📂 Article 📅 2004 🏛 John Wiley and Sons 🌐 English ⚖ 178 KB

## Abstract Quick access to polyfunctional spiroketal (3__R__)‐4[(2__S__,6__R__,8__R__,10__S__)‐4,4‐bis(ethylthio)‐10‐hydroxy‐8‐(2‐hydroxyethyl)‐1,7‐dioxaspiro[5.5]undec‐2‐yl]butane‐1,3‐diol [(+)‐**19**] is now available through the stereoselective functionalization of enantiomerically pure protect