𝔖 Bobbio Scriptorium
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A short and convenient synthesis of [1-18O] and [4-18O] vitamin K1

✍ Scribed by Claude Boullais; Jacques Delvallee


Publisher
John Wiley and Sons
Year
1998
Tongue
French
Weight
227 KB
Volume
41
Category
Article
ISSN
0022-2135

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📜 SIMILAR VOLUMES


A convenient preparation of 18O-dimethyl
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## Abstract A method is described by which ^18^O‐DMF can be prepared conveniently and in very high yields (∼ 90%) by reacting at room temperature an equimolar quantity of benzoyl chloride, DMF and ^18^O‐labelled water.

Photo-oxidation in the synthesis of17O a
✍ Henry J. Pownall 📂 Article 📅 1974 🏛 John Wiley and Sons 🌐 French ⚖ 135 KB 👁 1 views

## Abstract It it shown that the photo‐oxidation of aromatic molecules containing an active methylene group can be used to introduce isotopic oxygen. Photo‐oxidation of xanthene results in the formation of xanthone with the oxygen label appearing in the product at the carbonyl group. In this way, 1

Synthesis of 8-[18O]hydroxy-2′-deoxyguan
✍ R. C. A. Hermanns; G. Zomer; M. Jacquemijns; J. F. C. Stavenuiter; J. G. Westra; 📂 Article 📅 1994 🏛 John Wiley and Sons 🌐 French ⚖ 390 KB

## Abstract 8‐[^18^O]Hydroxy‐2′‐deoxyguanosine was synthesized starting from 8‐bromo‐2′‐deoxyguanosine and the sodium salt of [^18^O]benzyl alcohol, resulting in the intermediate 8‐[^18^O]benzyloxy‐2′‐deoxyguanosine. Subsequent reduction by catalytic transfer hydrogenation, yielded the desired prod