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Nano-N,N,N',N'-tetramethyl-N-(silica-n-propyl)-N'-sulfo-ethane-1,2-diaminium chloride as an efficient and recyclable catalyst for the green synthesis of 3,4‐dihydropyrimidin‐2‐(1H)‐ones/thiones
1. Nano-N,N,N',N'-tetramethyl-N-(silica-n-propyl)-N'-sulfo-ethane-1,2-diaminium chloride as an efficient and recyclable catalyst for the green synthesis of 3,4‐dihydropyrimidin‐2‐(1H)‐ones/thiones

Roghayyeh khanivar; Abdolkarim Zare; Masoud Sadeghi-Takallo

Volume 5, Issue 1 , January 2021, , Pages 1-11

http://dx.doi.org/10.22034/ajgc.2021.102862

Abstract
  In this work, efficient and high-yielding green synthesis of 3,4‐dihydropyrimidin‐2‐(1H)‐ones and 3,4‐dihydropyrimidin‐2‐(1H)‐thiones was achieved by a one-pot three-component ...  Read More
N1,N1,N2,N2-tetramethyl-N1,N2-bis(sulfo)ethane-1,2-diaminium trifluoroacetate as an efficacious and dual-functional catalyst for the solvent-free preparation of pyrido[2,3-d:6,5-d′]dipyrimidines
2. N1,N1,N2,N2-tetramethyl-N1,N2-bis(sulfo)ethane-1,2-diaminium trifluoroacetate as an efficacious and dual-functional catalyst for the solvent-free preparation of pyrido[2,3-d:6,5-d′]dipyrimidines

Jaleh Atashrooz; Abdolkarim Zare

Volume 4, Issue 3 , July 2020, , Pages 317-326

http://dx.doi.org/10.22034/AJGC/2020.3.8

Abstract
  Ionic liquid N1,N1,N2,N2-tetramethyl-N1,N2-bis(sulfo)ethane-1,2-diaminium trifluoroacetate ([TMBSED][TFA]2) was utilized as an efficacious and dual-functional catalyst for the one-pot ...  Read More
N,N,N',N'-tetramethylethylene-diaminium-N,N'-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
3. N,N,N',N'-tetramethylethylene-diaminium-N,N'-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

Sharareh Ravanshad; Hakimeh Asvar; Fatemeh Fouladi; Arezoo Pourkazemi; Maasoomeh Shamsizadeh; Maryam Khalili; Maria Merajoddin; Abdolkarim Zare

Volume 4, Issue 2 , April 2020, , Pages 173-182

http://dx.doi.org/10.22034/AJGC/2020.2.5

Abstract
  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 ...  Read More