๐”– Bobbio Scriptorium
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Modified acid-base behaviour of resin-bound pH indicators

โœ Scribed by S. Motellier; P. Toulhoat


Publisher
Elsevier Science
Year
1993
Tongue
English
Weight
520 KB
Volume
271
Category
Article
ISSN
0003-2670

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A new method for the solid phase synthesis of benzothiazoles and 2-arylamino-3-carboxyl-4-hydroxy-5-arylthiophenes is described. Resin bound cyclic malonic acid ester was reacted with aryl isothiocyanates and then with bromine or a-bromoketones, followed by treatment with perchloric acid or sodium m