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disulfonic acid chloride as a highly effective catalyst for the synthesis of 4H-pyrano[2, 3-c]pyrazoles, α- carbamatoalkyl-β-naphthols and α-amidoalkyl-β- naphthols
| Content Provider | Semantic Scholar |
|---|---|
| Author | Asvar, Hakimeh Fouladi, Fatemeh Pourkazemi, Arezoo Shamsizadeh, Maasoomeh Khalili, Maryam Merajoddin, Maria Zare, Abdolkarim |
| Copyright Year | 2020 |
| Abstract | Received : 21 January 2019 Received in revised : 7 February 2019 Accepted : 9 February 2019 Available online : 18 May 2019 DOI: 10.33945/SAMI/AJGC.2020.2.5 In this work, N,N,N',N'-tetramethylethylene-diaminium-N,N'-disulfonic acid chloride {[TMEDSA][Cl]2} has been utilized as a highly effective catalyst in order to promote the following organic transformations under green, solvent-free and mild conditions: (i) the synthesis of 4H-pyrano[2, 3c]pyrazoles from aromatic aldehydes, 3-methyl-1-phenyl-2-pyrazolin-5-one and malononitrile, (ii) the preparation of α-carbamatoalkyl-β-naphthols from arylaldehydes, β-naphthol and alkyl carbamates, and (iii) the production of αamidoalkyl-β-naphthols from arylaldehydes, β-naphthol and amides. © 2020 by SPC (Sami Publishing Company), Asian Journal of Green Chemistry, Reproduction is permitted for noncommercial purposes. |
| File Format | PDF HTM / HTML |
| Alternate Webpage(s) | http://www.ajgreenchem.com/article_87655_e6094e4c773da65813348c800542af3e.pdf |
| Language | English |
| Access Restriction | Open |
| Content Type | Text |
| Resource Type | Article |
