Reference

Substitution reaction of poly(chloromethylstyrene) with some nucleophilic reagents using phase transfer catalysts

Nishikubo, Tadatomi; Iizawa, Takashi; Kobayashi, Kazuo; Okawara, Makoto (Fac. Technol., Kanagawa Univ., Yokohama 221, Japan). Makromol. Chem., Rapid Commun., 1(12), 765-70 (English) 1980. CODEN: MCRCD4. DOCUMENT TYPE: Journal CA Section: 35 (Synthetic High Polymers) Section cross-reference(s): 67 In the 2-phase reaction of poly(vinylbenzyl chloride) [9080-67-5] with nucleophilic reagents (AcOK [127-08-2], PhOK [100-67-4], AcSK [10387-40-3], Et2NCS2Na [148-18-5]), sym., aliph. quaternary ammonium and phosphonium salts were better phase-transfer catalysts than were crown ethers.

Substitution reaction of poly((chloromethyl)styrene) with salts of various nucleophilic reagents using phase-transfer catalysts

Substitution reaction of poly((chloromethyl)styrene) with salts of various nucleophilic reagents using phase-transfer catalysts. Iizawa, Takashi; Nishikubo, Tadatomi; Masuda, Yoshihiro; Okawara, Makoto (Fac. Eng., Kanagawa Univ.Chemicals with cas numbers 10387-40-3 and 16069-36-6 also play role., Yokohama 221, Japan). Macromolecules, 17(5), 992-8 (English) 1984. CODEN: MAMOBX. ISSN: 0024-9297. DOCUMENT TYPE: Journal CA Section: 35 (Chemistry of Synthetic High Polymers) Section cross-reference(s): 22, 67 In the nucleophilic substitution of poly[(chloromethyl)styrene] [9080-67-5] by carboxylates or phenoxides, quaternary salts were more effective catalysts than crown ethers. For substitution by S-anions, lipophilic crown ethers were more active than quaternary salts. The activity of phase-transfer catalysts in substitution by N-anions was intermediate between those in the above reactions. Solid-liq. systems generally gave higher degrees of substitution than did liq.-liq. systems. The latter can give high degrees of substitution by S-anions in the presence of lipophilic phase-transfer catalysts. .