Silica Gel Catalyzed Conversion of Dialkyl 2-(1-Hydroxy-2-naphthyl)-3-(triphenylphosphoranylidene)butanedioates to Alkyl 2-Oxo-2H-benzo[h]chromene-4-carboxylates in Solvent-Free Conditions

By Ramazani Ali   Souldozi Ali  

Phosphorus, Sulfur, and Silicon and the Related Elements, Vol. 178, Iss. 6, 2003-06 ,pp. : 1325-1328

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Dipotassium Hydrogen Phosphate Powder Catalyzed Conversion of Dialkyl 2-(2,5-Dihydroxyphenyl)-3-(1,1,1-triphenyl-λ 5 -phosphanylidene)succinates to Alkyl 6-Hydroxy-2-oxo-2 H -chromen-4-carboxylates

By Souldozi Ali   Ramazani Ali   Noshiranzadeh Nader  

Phosphorus, Sulfur, and Silicon and the Related Elements, Vol. 181, Iss. 3, 2006-03 ,pp. : 587-589

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SYNTHESIS OF DIALKYL 2-(1-CYANO-2-OXO-1-PHENYL-ALKYL)-3-(TRIPHENYL-λ5-PHOSPHANYLIDENE)-SUCCINATES

By Yavari Issa   Islami Mohammad   Habibi Azizollah   Tikdari Ahmad   Ebrahimi Lona  

Phosphorus, Sulfur, and Silicon and the Related Elements, Vol. 179, Iss. 3, 2004-03 ,pp. : 575-583

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Synthesis of Dialkyl 2-(2-Oxo-2-phenylethyl)-3-(1,1,1-triphenyl-λ5-phosphanylidene)succinates from Triphenylphosphine, Acetylenic Ester and 4,4,4-Trifluoro-1-phenyl-1,3-butanedione in the Presence of Basic Alumina Powder

By Jafari Ali   Ahmadi Ebrahim   Alinia Mokhtar   Ramazani Ali  

Phosphorus, Sulfur, and Silicon and the Related Elements, Vol. 183, Iss. 5, 2008-05 ,pp. : 1116-1123

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Microwave Induced Conversion of Dialkyl 2-(3-Acetyl-4-hydroxy-1-naphthyl)-3-(triphenylphosphoranylidene)Butanedioates to Dialkyl 2-(3-Acetyl-4-hydroxy-1-naphthyl)-2-butenedioates in the Presence of Silica Gel Powder in Solvent-Free Conditions

By Ramazani Ali   Souldozi Ali  

Phosphorus, Sulfur, and Silicon and the Related Elements, Vol. 178, Iss. 10, 2003-10 ,pp. : 2189-2192

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