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Cyclocondensation of 4-hydroxy-5,6-diaminopyrimidine with α,β-dihalochalcones

✍ Scribed by N. N. Kolos; V. D. Orlov; E. Yu. Yur'eva; E. V. Zhidkova

Book ID
104795963
Publisher
Springer US
Year
1993
Tongue
English
Weight
378 KB
Volume
29
Category
Article
ISSN
0009-3122

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✍ Andreas Haag; Walter Eschenmoser; Conrad Hans Eugster 📂 Article 📅 1980 🏛 John Wiley and Sons 🌐 German ⚖ 380 KB

**Synthesis of (‐)‐(__R__)‐4‐Hydroxy‐β‐ionone and (‐)‐(5 __R__, 6 __S__)‐5‐Hydroxy‐4,5‐dihydro‐α‐ionone aus (‐)‐(__S__)‐α‐Ionone** The absolute configuration of the chiral 4‐hydroxy‐β‐ionones and 5‐hydroxy‐4,5‐dihydro‐α‐ionones has been determined by chemical connection with (‐)‐(__S__)‐α‐ionone __