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Diprenylated derivatives of p-hydroxyacetophenone from Ophryosporus macrodon

✍ Scribed by Elizabeth Sigstad; César A.N. Catalán; Jesús G. Diaz; Werner Herz


Book ID
103341336
Publisher
Elsevier Science
Year
1993
Tongue
English
Weight
369 KB
Volume
33
Category
Article
ISSN
0031-9422

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Unusual fragmentation of trimethylsilyla
✍ Rupert Kraus; Gerhard Spiteller 📂 Article 📅 1989 🏛 John Wiley and Sons 🌐 English ⚖ 396 KB

When 4hydroxyacetophenone is treated with MSTFA the corresponding his-trimethylsilylated enol ether (la) is obtained. The m a s spectrum of la is characterized by a [M -11' base peak. Extensive deuteration experiments revealed that the hydrogen is mainly removed from a ring position, but originates