## Abstract The formation of methylene‐bis derivatives of benzopyran‐4‐ones from their Mannich bases was studied. On these grounds, unsymmetrical methylene derivatives have been synthesized by reacting Mannich bases of benzopyran‐4‐ones with structurally related compounds lacking the dialkylaminome
✦ LIBER ✦
Synthesis of Unsymmetrical Branched Polyether Dendrons from 3, 4-Methylene-dioxybenzaldehyde
✍ Scribed by Zhao-Li Zhou; Feng Wang; Xiao-Ping Cao
- Publisher
- John Wiley and Sons
- Year
- 2010
- Tongue
- English
- Weight
- 455 KB
- Volume
- 21
- Category
- Article
- ISSN
- 0256-7660
No coin nor oath required. For personal study only.
✦ Synopsis
Abstract
Unsymmetrical dendrons 1, 2 and 3 were easily prepared according to a novel convergent strategy from 3, 4‐methylene‐dioxybenzaldebyde as starting material.
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