HO O OH Sulfamic acid OH OH EtOH, RT O O O Electronic supplementary material The online version of this article (doi:10.1007/s11164-016-2611- y) contains supplementary material, which is available to authorized users. & Uday V. Desai email@example.com Organic Chemistry Division, Department of Chemistry, Shivaji University, Kolhapur 416004, India Polymer Science and Engineering Division, CSIR, National Chemical Laboratory, Pune 411008, India Department of Chemistry, Savitribai Phule Pune University, Pune 411007, India 123 142 K. S. Pandit et al. Keywords Sulfamic acid Bis-tetronic acids Domino reactions Green chemistry Organo-catalyst Introduction The main issue in the synthesis of complex organic molecules is currently aimed at improving efﬁciency, avoidance of toxic agents, reduction in waste and responsible utilization of natural sources [1–4]. In this context, the use of multicomponent reactions involving the participation of three or more substrates is of relevance from both economic and ecological points of view [5–9]. Like multicomponent reactions, domino reactions also constitute a powerful synthetic strategy to introduce chemical and structural complexity. Among domino reactions, Knoevenagel–Michael reac- tions have emerged as a powerful strategy in the synthesis of various oxa- as well as aza-heterocycles [10–13]. It is well known that Knoevenagel-initiated Domino reactions of
Research on Chemical Intermediates – Springer Journals
Published: Jun 24, 2016
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