| Studies on organophosphorus compounds—XL: Reactions of ketones with 2, 4-bis (4-methoxyphenyl)-1, 3, 2, 4-dithiadiphosphetane 2, 4-disulfide S Scheibye, R Shabana, SO Lawesson, C Rømming Tetrahedron 38 (7), 993-1001, 1982 | 187 | 1982 |
| A convenient synthesis of 2, 5-thienylene oligomers; some of their spectroscopic and electrochemical properties C Van Pham, A Burkhardt, R Shabana, DD Cunningham, HB Mark Jr, ... Phosphorus, Sulfur, and Silicon, and the Related Elements 46 (3-4), 153-168, 1989 | 118 | 1989 |
| A convenient synthesis of 2, 5-thienylene oligomers; some of their spectroscopic and electrochemical properties C Van Pham, A Burkhardt, R Shabana, DD Cunningham, HB Mark Jr, ... Phosphorus, Sulfur, and Silicon, and the Related Elements 46 (3-4), 153-168, 1989 | 118 | 1989 |
| STUDIES ON ORGANOPHOSPHORUS COMPOUNDS. XXXI. SYNTHESIS OF THIOLACTAMS AND THIOIMIDES R Shabana, S Scheibye, K Clausen, SO Olesen, SO Lawesson Chemischer Informationsdienst 11 (19), no-no, 1980 | 75 | 1980 |
| A convenient synthesis of 2, 5-thienylene oligomers; some of their spectroscopic and electrochemical properties CV Pham, A Burkhardt, R Shabana, DD Cunningham, HB Mark, H Zimmer Phosphorus, Sulfur Silicon Relat. Elem 46, 153, 1989 | 49 | 1989 |
| Organophosphorus compounds XV. The reaction of 2, 4-bis (4-methoxyphenyl)-1, 3, 2, 4-dithiadiphosphetane-2, 4-disulfide (Lawesson's Reagent) with aromatic dihydroxy compounds … R Shabana, FH Osman, SS Atrees Tetrahedron 50 (23), 6975-6988, 1994 | 46 | 1994 |
| Organophosphorus compounds XIII. The reaction of 2, 4-bis (4-methoxyphenyl)-1, 3, 2, 4-dithiadiphosphetane-2, 4-disulfide (LR) with dihydric alcohols. A new route to 1, 3, 2 … R Shabana, FH Osman, SS Atrees Tetrahedron 49 (6), 1271-1282, 1993 | 42 | 1993 |
| Organophosphorus compounds XIII. The reaction of 2, 4-bis (4-methoxyphenyl)-1, 3, 2, 4-dithiadiphosphetane-2, 4-disulfide (LR) with dihydric alcohols. A new route to 1, 3, 2 … R Shabana, FH Osman, SS Atrees Tetrahedron 49 (6), 1271-1282, 1993 | 42 | 1993 |
| Imine chemistry—II: A new route to cyclic enaminones from imines and β-propiolactone or α, β-unsatu rated acids the preparation of enamino-thiones R Shabana, JB Rasmussen, SO Olesen, SO Lawesson Tetrahedron 36 (20-21), 3047-3051, 1980 | 39 | 1980 |
| Imine chemistry—II: A new route to cyclic enaminones from imines and β-propiolactone or α, β-unsatu rated acids the preparation of enamino-thiones R Shabana, JB Rasmussen, SO Olesen, SO Lawesson Tetrahedron 36 (20-21), 3047-3051, 1980 | 39 | 1980 |
| First (3+ 2)-cycloadditions of thiochalcones as C= S dipolarophiles: Efficient synthesis of 1, 3, 4-thiadiazoles via reactions with fluorinated nitrile imines P Grzelak, G Utecht, M Jasiński, G Mlostoń Synthesis 49 (10), 2129-2137, 2017 | 38 | 2017 |
| Enamine chemistry—XXII: The preparation of 4-acylaminopent-3-en-2-ones and the corresponding enamino-thiones R Shabana, JB Rasmussen, SO Lawesson Tetrahedron 37 (9), 1819-1822, 1981 | 33 | 1981 |
| Enamine chemistry—XXII: The preparation of 4-acylaminopent-3-en-2-ones and the corresponding enamino-thiones R Shabana, JB Rasmussen, SO Lawesson Tetrahedron 37 (9), 1819-1822, 1981 | 33 | 1981 |
| STUDIES OF SOME HINDERED 2, 2′-BITHIENYLS AND 3, 3′-BRIDGED 2, 2′-BITHIENYLS WITH SPECIAL REFERENCE TO THEIR UV SPECTRA AND OXIDATION POTENTIALS A Amer, A Burkhardt, A Nkansah, R Shabana, A Galal, HB Mark Jr, ... Phosphorus, Sulfur, and Silicon and the Related Elements 42 (1-2), 63-71, 1989 | 31 | 1989 |
| Enamine chemistry—XXIII: The [4+ 2] cycloaddition reactions between enaminothiones and electrophilic olefins and acetylenes JB Rasmussen, R Shabana, SO Lawesson Tetrahedron 37 (21), 3693-3698, 1981 | 31 | 1981 |
| Optimum conditions for the Willgerodt-Kindler reaction 1: Reaction of substituted acetophenones. Prediction of optimum conditions for new substrates by multivariate correlation R Carlson, T Lundstedt, R Shabana Acta Chem. Scand. B 40, 534, 1986 | 27 | 1986 |
| Enamine chemistry-XXVI: The [4+ 2] cycloaddition reactions of 3-amino-1-(4-nitrophenyl)-prop-2-ene-1-thione with electrophilic olefins and acetylenes JB Rasmussen, R Shabana, SO Lawesson Tetrahedron 38 (11), 1705-1709, 1982 | 27 | 1982 |
| Thiation reactions. III. Thiation of certain dicarbonyl compounds AA El-Kateb, IT Hennawy, R Shabana, FH Osman Phosphorus and sulfur and the related elements 20 (3), 329-332, 1984 | 26 | 1984 |
| The behavior of 2‐substituted‐1, 3‐diphenylpropane‐1, 3‐tione toward organophosphorus reagents LS Boulos, R Shabana, YM Shaker Heteroatom Chemistry: An International Journal of Main Group Elements 11 (1 …, 2000 | 25 | 2000 |
| Optimum conditions for the Willgerodt–Kindler reaction. 3. Amine variation T Lundstedt, R Carlson, R Shabana Acta Chem. Scand. B 41, 157-163, 1987 | 25 | 1987 |
Ahmed A. El-BarbaryChemistry dept.,Tanta University,Tanta,EgyptVerified email at science.tanta.edu.eg
