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Results: 1-19 |
Results: 19
A CONVENIENT SYNTHESIS OF ACYCLIC ADENOSINES WITH AN UNSATURATED SIDE-CHAIN BY MODIFICATION OF 9-(2,3-O-ISOPROPYLIDENE-D-RIBITYL)ADENINE
Authors: HIROTA K MONGUCHI Y SAJIKI H YATOME C HIRAOKA A KITADE Y
Citation: K. Hirota et al., A CONVENIENT SYNTHESIS OF ACYCLIC ADENOSINES WITH AN UNSATURATED SIDE-CHAIN BY MODIFICATION OF 9-(2,3-O-ISOPROPYLIDENE-D-RIBITYL)ADENINE, Nucleosides & nucleotides, 17(8), 1998, pp. 1333-1345
FACILE METHOD FOR THE PREPARATION OF 7-METHYL-8-OXOGUANOSINES AS AN IMMUNOMODULATOR
Authors: KITADE Y SAITO N KOZAKI A TAKAHASHI K YATOME C TAKEDA Y SAJIKI H HIROTA K
Citation: Y. Kitade et al., FACILE METHOD FOR THE PREPARATION OF 7-METHYL-8-OXOGUANOSINES AS AN IMMUNOMODULATOR, Nucleosides & nucleotides, 17(1-3), 1998, pp. 91-97
SYNTHESIS OF 5-ARYLTHIOURIDINES VIA ELECTROPHILIC SUBSTITUTION OF 5-BROMOURIDINES WITH DIARYL DISULFIDES
Authors: HIROTA K TOMISHI T MAKI Y SAJIKI H
Citation: K. Hirota et al., SYNTHESIS OF 5-ARYLTHIOURIDINES VIA ELECTROPHILIC SUBSTITUTION OF 5-BROMOURIDINES WITH DIARYL DISULFIDES, Nucleosides & nucleotides, 17(1-3), 1998, pp. 161-173
CONVENIENT SYNTHESIS OF PYRIDO[4,3-D]PYRIMIDINE-2,4(1H,3H)-DIONES
Authors: HIROTA K NAKAZAWA Y KITADE Y SAJIKI H
Citation: K. Hirota et al., CONVENIENT SYNTHESIS OF PYRIDO[4,3-D]PYRIMIDINE-2,4(1H,3H)-DIONES, Heterocycles, 47(2), 1998, pp. 871-882
NOVEL SYNTHESIS OF PURINE ACYCLONUCLECOSIDES POSSESSING A CHIRAL 9-HYDROXYALKYL GROUP BY SUGAR MODIFICATION OF 9-D-RIBITYLPURINES
Authors: HIROTA K MONGUCHI Y SAJIKI H SAKO M KITADE Y
Citation: K. Hirota et al., NOVEL SYNTHESIS OF PURINE ACYCLONUCLECOSIDES POSSESSING A CHIRAL 9-HYDROXYALKYL GROUP BY SUGAR MODIFICATION OF 9-D-RIBITYLPURINES, Journal of the Chemical Society. Perkin transactions. I, (5), 1998, pp. 941-946
SUPPRESSION EFFECT OF THE PD C-CATALYZED HYDROGENOLYSIS OF A PHENOLICBENZYL PROTECTIVE GROUP BY THE ADDITION OF NITROGEN-CONTAINING BASES/
Authors: SAJIKI H KUNO H HIROTA K
Citation: H. Sajiki et al., SUPPRESSION EFFECT OF THE PD C-CATALYZED HYDROGENOLYSIS OF A PHENOLICBENZYL PROTECTIVE GROUP BY THE ADDITION OF NITROGEN-CONTAINING BASES/, Tetrahedron letters, 39(39), 1998, pp. 7127-7130
A NOVEL TYPE OF PD C-CATALYZED HYDROGENATION USING A CATALYST POISON - CHEMOSELECTIVE INHIBITION OF THE HYDROGENOLYSIS FOR O-BENZYL PROTECTIVE GROUP BY THE ADDITION OF A NITROGEN-CONTAINING BASE/
Authors: SAJIKI H HIROTA K
Citation: H. Sajiki et K. Hirota, A NOVEL TYPE OF PD C-CATALYZED HYDROGENATION USING A CATALYST POISON - CHEMOSELECTIVE INHIBITION OF THE HYDROGENOLYSIS FOR O-BENZYL PROTECTIVE GROUP BY THE ADDITION OF A NITROGEN-CONTAINING BASE/, Tetrahedron, 54(46), 1998, pp. 13981-13996
THE FORMATION OF A NOVEL PD C-ETHYLENEDIAMINE COMPLEX CATALYST - CHEMOSELECTIVE HYDROGENATION WITHOUT DEPROTECTION OF THE O-BENZYL AND N-CBZ GROUPS/
Authors: SAJIKI H HATTORI K HIROTA K
Citation: H. Sajiki et al., THE FORMATION OF A NOVEL PD C-ETHYLENEDIAMINE COMPLEX CATALYST - CHEMOSELECTIVE HYDROGENATION WITHOUT DEPROTECTION OF THE O-BENZYL AND N-CBZ GROUPS/, Journal of organic chemistry, 63(22), 1998, pp. 7990-7992
A NOVEL-APPROACH FOR THE SYNTHESIS OF PURINE ACYCLONUCLEOSIDES USING 9-D-RIBITYLPURINES AS A CHIRAL POOL
Authors: HIROTA K MONGUCHI Y SAJIKI H KITADE Y
Citation: K. Hirota et al., A NOVEL-APPROACH FOR THE SYNTHESIS OF PURINE ACYCLONUCLEOSIDES USING 9-D-RIBITYLPURINES AS A CHIRAL POOL, Synlett, (6), 1997, pp. 697-698
A NEW SYNTHESIS OF PYRAZOLO[3,4-D]PYRIMIDINE-4,6(5H,7H)-DIONES BY OXIDATIVE N-N BOND FORMATION OF 6-AMINO-5-(N-ARYLIMINOMETHYL)URACILS USING IODOBENZENE DIACETATE
Authors: SAJIKI H HATTORI K SAKO M HIROTA K
Citation: H. Sajiki et al., A NEW SYNTHESIS OF PYRAZOLO[3,4-D]PYRIMIDINE-4,6(5H,7H)-DIONES BY OXIDATIVE N-N BOND FORMATION OF 6-AMINO-5-(N-ARYLIMINOMETHYL)URACILS USING IODOBENZENE DIACETATE, Synlett, (12), 1997, pp. 1409-1410
A HIGH CHEMICAL-REACTIVITY OF 5-AZIDOURACILS AND ITS SYNTHETIC APPLICATION - NOVEL SYNTHESIS OF 8-SUBSTITUTED 1,3-DIMETHYLXANTHINE DERIVATIVES
Authors: HIROTA K SAKO M SAJIKI H
Citation: K. Hirota et al., A HIGH CHEMICAL-REACTIVITY OF 5-AZIDOURACILS AND ITS SYNTHETIC APPLICATION - NOVEL SYNTHESIS OF 8-SUBSTITUTED 1,3-DIMETHYLXANTHINE DERIVATIVES, Heterocycles, 46, 1997, pp. 547-554
CHEMOSELECTIVE INHIBITION OF THE HYDROGENOLYSIS OF THE MPM PROTECTIVEGROUP FOR PHENOLIC HYDROXY FUNCTIONS USING A PD C-PYRIDINE CATALYST/
Authors: SAJIKI H KUNO H HIROTA K
Citation: H. Sajiki et al., CHEMOSELECTIVE INHIBITION OF THE HYDROGENOLYSIS OF THE MPM PROTECTIVEGROUP FOR PHENOLIC HYDROXY FUNCTIONS USING A PD C-PYRIDINE CATALYST/, Tetrahedron letters, 38(3), 1997, pp. 399-402
RIBOFURANOSE-RING CLEAVAGE OF PURINE NUCLEOSIDES WITH DIISOBUTYLALUMINUM HYDRIDE - CONVENIENT METHOD FOR THE PREPARATION OF PURINE ACYCLONUCLEOSIDES
Authors: HIROTA K MONGUCHI Y KITADE Y SAJIKI H
Citation: K. Hirota et al., RIBOFURANOSE-RING CLEAVAGE OF PURINE NUCLEOSIDES WITH DIISOBUTYLALUMINUM HYDRIDE - CONVENIENT METHOD FOR THE PREPARATION OF PURINE ACYCLONUCLEOSIDES, Tetrahedron, 53(49), 1997, pp. 16683-16698
REACTIVITY OF THIOALDEHYDE - CYCLIZATION REACTION OF 6-AMINO-1,3-DIMETHYL-5-THIOFORMYLURACIL WITH ENAMINES INTO PYRIDO[2,3-D]PYRIMIDINE-2,4-(1H,3H)-DIONES
Authors: HIROTA K KUBO K SAJIKI H KITADE Y SAKO M MAKI Y
Citation: K. Hirota et al., REACTIVITY OF THIOALDEHYDE - CYCLIZATION REACTION OF 6-AMINO-1,3-DIMETHYL-5-THIOFORMYLURACIL WITH ENAMINES INTO PYRIDO[2,3-D]PYRIMIDINE-2,4-(1H,3H)-DIONES, Journal of organic chemistry, 62(9), 1997, pp. 2999-3001
REACTIVITIES OF 6-AMINO-1,3-DIMETHYL-5-THIOFORMYLURACIL TOWARD NUCLEOPHILES AND ITS APPLICATION TO SYNTHESIS OF PYRIDO[2,3-D]PYRIMIDINES
Authors: HIROTA K KUBO K SAJIKI H
Citation: K. Hirota et al., REACTIVITIES OF 6-AMINO-1,3-DIMETHYL-5-THIOFORMYLURACIL TOWARD NUCLEOPHILES AND ITS APPLICATION TO SYNTHESIS OF PYRIDO[2,3-D]PYRIMIDINES, Chemical and Pharmaceutical Bulletin, 45(3), 1997, pp. 542-544
MS-325 - A SMALL-MOLECULE VASCULAR IMAGING AGENT FOR MAGNETIC-RESONANCE-IMAGING
Authors: LAUFFER RB PARMELEE DJ OUELLET HS DOLAN RP SAJIKI H SCOTT DM BERNARD PJ BUCHANAN EM ONG KY TYEKLAR Z MIDELFORT KS MCMURRY TJ WALOVITCH RC
Citation: Rb. Lauffer et al., MS-325 - A SMALL-MOLECULE VASCULAR IMAGING AGENT FOR MAGNETIC-RESONANCE-IMAGING, Academic radiology, 3, 1996, pp. 356-358
SYNTHESIS OF C-2-SYMMETRICAL (S,S)-1,4-DIBENZYL-DTPA AND 1,4-MESO-DIBENZYL-DTPA VIA CHIRAL DIAMINES
Authors: SAJIKI H ONG KY
Citation: H. Sajiki et Ky. Ong, SYNTHESIS OF C-2-SYMMETRICAL (S,S)-1,4-DIBENZYL-DTPA AND 1,4-MESO-DIBENZYL-DTPA VIA CHIRAL DIAMINES, Tetrahedron, 52(46), 1996, pp. 14507-14514
STABLE THIOALDEHYDES - SYNTHESIS, STRUCTURE ASSIGNMENT, AND STABILITYOF 6-AMINO-5-THIOFORMYLURACILS
Authors: HIROTA K SAJIKI H KUBO K KIDO M NAKAGAWA K
Citation: K. Hirota et al., STABLE THIOALDEHYDES - SYNTHESIS, STRUCTURE ASSIGNMENT, AND STABILITYOF 6-AMINO-5-THIOFORMYLURACILS, Tetrahedron, 52(30), 1996, pp. 9971-9978
SELECTIVE-INHIBITION OF BENZYL ETHER HYDROGENOLYSIS WITH PD C DUE TO THE PRESENCE OF AMMONIA, PYRIDINE OR AMMONIUM ACETATE/
Authors: SAJIKI H
Citation: H. Sajiki, SELECTIVE-INHIBITION OF BENZYL ETHER HYDROGENOLYSIS WITH PD C DUE TO THE PRESENCE OF AMMONIA, PYRIDINE OR AMMONIUM ACETATE/, Tetrahedron letters, 36(20), 1995, pp. 3465-3468
Risultati: 1-19 |