Amino sulfonic acids, peptidosulfonamides and other related compounds

OO Grygorenko, AV Biitseva, S Zhersh - Tetrahedron, 2018 - Elsevier
A review with 636 references. The literature on saturated amino sulfonic acids with
primary/secondary amino group and their derivatives from XIX century to 2016 is surveyed …

Anticancer Ruthenium(η6-p-cymene) Complexes of Nonsteroidal Anti-inflammatory Drug Derivatives

F Aman, M Hanif, WA Siddiqui, A Ashraf, LK Filak… - …, 2014 - ACS Publications
Oxicams are a versatile family of heterocyclic compounds, and the two representatives
meloxicam and piroxicam are widely used drugs for the treatment of a variety of …

Multilevel topological description of molecular packings in 1, 2-benzothiazines

F Aman, AM Asiri, WA Siddiqui, MN Arshad, A Ashraf… - …, 2014 - pubs.rsc.org
A new method for description of molecular networks and packings is proposed and
implemented into the program package TOPOS. It is shown that the method is most effective …

N-(X-Chlorophenyl)-4-hydroxy-2-methyl-2H-1, 2-benzothiazine-3-carboxamide 1, 1-dioxide (with X= 2 and 4)

WA Siddiqui, S Ahmad, MI Tariq… - … Section C: Crystal …, 2008 - scripts.iucr.org
The structures of N-(2-chlorophenyl)-4-hydroxy-2-methyl-2H-1, 2-benzothiazine-3-
carboxamide 1, 1-dioxide and N-(4-chlorophenyl)-4-hydroxy-2-methyl-2H-1, 2 …

The Ritter reaction of N‐(hydroxymethyl)saccharin with nitriles

MN de Oliveira, MCS de Mattos - Journal of Heterocyclic …, 2024 - Wiley Online Library
The development of the Ritter reaction of N‐(hydroxymethyl) saccharin with nitriles for the
synthesis of N‐[(saccharinyl) methyl] amides is reported. The success of this reaction relies …

[HTML][HTML] Ligand free Pd catalyzed cyclization-influence of steric hindrance

MN Arshad, WA Siddiqui, IU Khan… - Journal of the Chilean …, 2014 - SciELO Chile
Synthesis of sultams was performed using ligand free palladium catalyst following Heck
cyclization. The diverse synthesized intermediates in this strategy includes halogenated …

O-Sulfamoylbenzoic acid

WA Siddiqui, S Ahmad, HL Siddiqui… - … Section E: Structure …, 2007 - journals.iucr.org
o-Sulfamoylbenzoic acid Page 1 o-Sulfamoylbenzoic acid Waseeq Ahmad Siddiqui,a Saeed
Ahmad,b Hamid Latif Siddiqui,c Muhammad Ilyas Tariqa and Masood Parvezd* aDepartment of …

[HTML][HTML] 1-Ethyl-1H-2, 1-benzothiazin-4 (3H)-one 2, 2-dioxide

M Shafiq, IU Khan, MN Tahir… - … Section E: Structure …, 2008 - scripts.iucr.org
In the title compound, C10H11NO3S, there is distorted tetrahedral geometry around the S
atom. The heterocyclic thiazine ring adopts a half-chair conformation. The ethyl and sulfonyl …

3-Benzylamino-1, 2-benzisothiazole 1, 1-dioxide

WA Siddiqui, S Ahmad, HL Siddiqui… - … Section E: Structure …, 2007 - journals.iucr.org
3-Benzylamino-1,2-benzisothiazole 1,1-dioxide Page 1 3-Benzylamino-1,2-benzisothiazole
1,1-dioxide Waseeq Ahmad Siddiqui,a Saeed Ahmad,b Hamid Latif Siddiqui,c Muhammad Ilyas …

2-Methyl-2H-1, 2-benzothiazin-4 (3H)-one 1, 1-dioxide

WA Siddiqui, S Ahmad, HL Siddiqui… - … Section E: Structure …, 2007 - journals.iucr.org
2-Methyl-2H-1,2-benzothiazin-4(3H)-one 1,1-dioxide Page 1 2-Methyl-2H-1,2-benzothiazin-4(3H)one
1,1-dioxide Waseeq Ahmad Siddiqui,a Saeed Ahmad,b Hamid Latif Siddiqui,c Muhammad …