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Headspace gas chromatographic determination of 2-alkyl-5,5-dimethyl-1,3-dioxane derivatives in wastewaters of a polyester resin plant

✍ Scribed by Franchini, Michele; Marton, Daniele; Tapparo, Andrea

Book ID
121513542
Publisher
Royal Society of Chemistry
Year
2001
Tongue
English
Weight
49 KB
Volume
126
Category
Article
ISSN
0003-2654

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## Abstract Triphenylphosphine (TPP) has been utilized as a novel and efficient catalyst for the Knoevenagel condensation of indole‐3‐carboxaldehydes **1(a–e)**, 1‐methyl‐1H‐indole‐3‐carboxaldehydes **4(a–e)**, and 1‐ethyl‐1H‐indole‐3‐carboxaldehydes **6(a–e)** with the active methylene compound, t