Fused pyrimidine derivativesFused pyrimidine derivatives R 0515 Simple One-Pot Three-Component Synthesis of 2-Oxo-1,11b-dihydro-2H-pyrimido[2,1-a]isoquinolines. -(ADIB*, M.; MOLLAHOSSEINI, M.; YAVARI, H.; SAYAHI, M. H.; BIJANZADEH, H. R.; Synthesis 2004, 6, 861-864; Dep. Chem., Fac. Sci., Tehran Univ., Tehran, Iran; Eng.) -C. Herrmann

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The addition of alkyl isocyanides to dialkyl acetylenedicarboxylates in the presence of phthalic anhydride derivatives leading to highly functionalised γ-spiroiminolactones is reported.

A Novel Three-Component Tetrahydrobenzofuran Synthesis. -The usage of water as solvent in this quick and efficient three-component coupling reaction is reported to be environmentally friendly. -(SHAABANI*, A.; TEIMOURI, M. B.; BIJANZADEH, H. R.; Monatsh. Chem. 135 (2004) 4, 441-446; Dep. Chem., Shahid Beheshti Univ., Tehran, Iran; Eng.) -C. Oppel 35-097

Organo-phosphorus compounds S 0080 Water-Acetone Media Enforced Chemoselective Synthesis of 2-Substituted Pyrrole Stable Phosphorus Ylides from Reaction Between Pyrrole and Acetylenic Esters in thePresence of Triphenylphosphine. -The reaction of pyrrole with acetylenedicarboxylates and triphenylphosphine in a water/acetone mixture affords only C-substituted ylides (IV). Reaction in ethyl acetate affords mixtures of N-substituted (E)-and (Z)-ylides (V) and (VI). -(MAGHSOODLOU*, M. T.; HAZERI, N.; HABIBI-KHORASSANI, S. M.; MOEENI, Z.; MARANDI, G.; LASHKARI, M.; GHASEMZADEH, M.; BIJANZADEH, H. R.; J. Chem. Res. 2007, 10, 566-568; Dep. Chem., Sistan & Baluchestan Univ., Zahedan 98135, Iran; Eng.) -M. Bohle 15-177