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- [1] SYNTHETIC APPLICATIONS OF N-N LINKED HETEROCYCLES .13. N-(2,5-DIMETHYLPYRROL-1-YL)PYRIDINIUM SALTS IN THE SYNTHESIS OF 4-ALKYL-PYRIDINES AND 4-ARYL-PYRIDINES VIA REGIOSPECIFIC ATTACK OF GRIGNARD-REAGENTS AND ORGANO-LITHIUM COMPOUNDSJOURNAL OF CHEMICAL RESEARCH-S, 1981, (05): : 133 - 133KATRITZKY, ARBELTRAMI, HSAMMES, MP
- [2] SYNTHETIC APPLICATIONS OF N-N LINKED HETEROCYCLES .12. THE PREPARATION OF 4-ALKYLTHIO-PYRIDINES AND 4-ARYLTHIO-PYRIDINES BY REGIOSPECIFIC ATTACK OF THIOALKOXIDE IONS ON N-(4-OXOPYRIDIN-1-YL)PYRIDINIUM SALTSJOURNAL OF THE CHEMICAL SOCIETY-PERKIN TRANSACTIONS 1, 1981, (05): : 1585 - 1590SAMMES, MPLEUNG, CWFKATRITZKY, AR
- [3] SYNTHETIC APPLICATIONS OF N-N LINKED HETEROCYCLES .8. REGIO-SPECIFIC SYNTHESIS OF 4-(ALPHA-ACYLALKYL)PYRIDINES BY ATTACK OF LITHIUM ENOLATES OF KETONES -GAMMA TO N-(2,6-DIMETHYL-4-OXOPYRIDIN-1-YL)PYRIDINIUM SALTSJOURNAL OF THE CHEMICAL SOCIETY-PERKIN TRANSACTIONS 1, 1980, (11): : 2458 - 2462LEE, CMSAMMES, MPKATRITZKY, AR
- [4] SYNTHETIC APPLICATIONS OF N-N LINKED HETEROCYCLES .9. PREPARATION OF ALPHA-(4-PYRIDYL)NITROALKANES AND N-(4-PYRIDYL)AZOLES BY REGIO-SPECIFIC ATTACK OF NITROALKYL AND AZOLYL ANIONS ON N-(2,6-DIMETHYL-4-OXOPYRIDIN-1-YL)PYRIDINIUM SALTSJOURNAL OF THE CHEMICAL SOCIETY-PERKIN TRANSACTIONS 1, 1981, (02): : 588 - 592KATRITZKY, ARKEAY, JGROGERS, DNSAMMES, MPLEUNG, CWF
- [5] SYNTHETIC APPLICATIONS OF N-N LINKED HETEROCYCLES .16. REACTIONS BETWEEN CARBANIONS DERIVED FROM CARBON ACIDS WITH PKA 7-14 AND N-(2,6-DIMETHYL-4-OXOPYRIDIN-1-YL)PYRIDINIUM TETRAFLUOROBORATE - SYNTHESIS OF 4-SUBSTITUTED PYRIDINES, AND OBSERVATION OF PYRIDINE RING-OPENING REACTIONSJOURNAL OF THE CHEMICAL SOCIETY-PERKIN TRANSACTIONS 1, 1981, (11): : 2835 - 2839SAMMES, MPLEUNG, CWFKATRITZKY, AR
- [6] SYNTHETIC APPLICATIONS OF N-N LINKED HETEROCYCLES .6. REGIOSPECIFIC NUCLEOPHILIC-ATTACK AT THE GAMMA-POSITION OF 1-(2,6-DIMETHYL-4-OXO-1,4-DIHYDRO-1-PYRIDYL)PYRIDINIUM COMPOUNDS - NOVEL SYNTHESIS OF 4-SUBSTITUTED PYRIDINESANGEWANDTE CHEMIE-INTERNATIONAL EDITION IN ENGLISH, 1979, 18 (10): : 792 - 793KATRITZKY, ARBELTRAMI, HKEAY, JGROGERS, DNSAMMES, MPLEUNG, CWFLEE, CM
- [7] SYNTHETIC APPLICATIONS OF N-N LINKED HETEROCYCLES .14. THE PREPARATION OF ALPHA-(4-PYRIDYL)ESTERS AND ALPHA-(4-PYRIDYL)NITRILES BY REGIOSPECIFIC ATTACK OF ESTER AND NITRILE ANIONS ON PYRIDINIUM SALTSJOURNAL OF THE CHEMICAL SOCIETY-PERKIN TRANSACTIONS 1, 1981, (09): : 2476 - 2482SAMMES, MPLEE, CMKATRITZKY, AR
- [8] SYNTHETIC APPLICATIONS OF N-N LINKED HETEROCYCLES .17. THE CRYSTAL AND MOLECULAR-STRUCTURES OF N-(4-OXOPYRIDIN-1-YL)PYRIDINIUM TETRAFLUOROBORATE, AND ITS 2,6-DIMETHYL ANALOG - EVIDENCE FOR STERIC HINDRANCE TO APPROACH BY NUCLEOPHILES AT THE PYRIDINIUM ALPHA-POSITIONS IN THE LATTER, AND A NOTE OF PROTONATION EFFECTS ON CHEMICAL-SHIFTSYJOURNAL OF THE CHEMICAL SOCIETY-PERKIN TRANSACTIONS 2, 1985, (04): : 573 - 579SAMMES, MPLAI, TFKATRITZKY, ARMURUGAN, RLUCE, H
- [9] SYNTHETIC APPLICATIONS OF N-N LINKED HETEROCYCLES .18. SUBSTITUENT EFFECTS ON THE C-13 NMR-SPECTRA IN N-(4-ARYLIMINIO-2,6-DIMETHYLPYRIDIN-1-YL)PYRIDINIUM BISTETRAFLUOROBORATES, AND SOME VARIABLE-TEMPERATURE H-1-NMR MEASUREMENTSMAGNETIC RESONANCE IN CHEMISTRY, 1985, 23 (09) : 720 - 724SAMMES, MPHO, KWKATRITZKY, AR