Synthesis and Solid-state Reaction of 1-
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Xiao-Chun Han; Xue-Yu Xu; Xiao-Lu Li; Yong-Mei Wang; Teruo Matsuura; Ji-Ben Meng
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Article
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2010
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John Wiley and Sons
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English
⚖ 377 KB
## Abstract A new kind of UV stabilizers, 1‐(3′‐(benzotriazol‐2″‐yl)‐4′‐hydroxy‐benzoyl)‐3‐methyl‐5‐pyrazolones (1a‐d), was synthesized with the aim to bind them chemically to certain polymers. The reaction of 1d with substituted benzaldehydes 4 in the molten state at 150°C and in the solid state a