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Introduction of the methyl group into the pyrazine ringOHTA, A; INOUE, A; WATANABE, T et al.Heterocycles (Sendai). 1984, Vol 22, Num 10, pp 2317-2321, issn 0385-5414Article

DECHLORINATION OF SOME CHLOROPYRAZINES AND THEIR N-OXIDESAKITA Y; OHTA A.1981; HETEROCYCLES; ISSN 0385-5414; JPN; DA. 1981; VOL. 16; NO 8; PP. 1325-1328; BIBL. 13 REF.Article

SYNTHESES OF SOME 2-HYDROXYPYRAZINE 1-OXIDESOHTA A; MASANO S; TSUTSUI M et al.1981; J. HETEROCYCL. CHEM.; ISSN 0022-152X; USA; DA. 1981; VOL. 18; NO 3; PP. 555-558; BIBL. 21 REF.Article

SEPARATE MEASUREMENTS OF HETERONUCLEAR J COUPLING CONSTANTS BY MANIPULATED POLARIZATION TRANSFER IN TWO-DIMENSIONAL NMRRUTAR V.1983; JOURNAL OF THE AMERICAN CHEMICAL SOCIETY; ISSN 0002-7863; USA; DA. 1983; VOL. 105; NO 12; PP. 4095-4096; BIBL. DISSEM.Article

NUCLEOPHILIC SUBSTITUTION BY 3-AMINO-1,2-PROPANEDIOL IN NITROPYRAZINES AND NITROQUINOXALINESHARTMAN GD; SCHWERING JE.1983; JOURNAL OF HETEROCYCLIC CHEMISTRY; ISSN 0022-152X; USA; DA. 1983; VOL. 20; NO 4; PP. 947-950; BIBL. 28 REF.Article

A comparative electrophysiological and biochemical assessment of serotonin (5-HT) and a novel 5-HT agonist (MK-212) on central serotonergic receptorsYARBROUGH, G. G; SINGH, D. K; PETTIBONE, D. J et al.Neuropharmacology. 1984, Vol 23, Num 11, pp 1271-1277, issn 0028-3908, 6 p.Article

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DIRECT ARYLATION OF NITROBENZENES AND OF HETEROCYCLES VIA AN OXYGEN ANALOGUE OF THE BENZIDINE REARRANGEMENT.SHERADSKY T; NOV E.1977; J. CHEM. SOC., PERKIN TRANS., 1; G.B.; DA. 1977; NO 11; PP. 1296-1299; BIBL. 7 REF.Article

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Synthesis of arglecinOHTA, A; AOYAGI, Y; KURIHARA, Y et al.Heterocycles (Sendai). 1987, Vol 26, Num 12, pp 3181-3191, issn 0385-5414Article

Preparation and thermolysis of cis- and trans-1-hydroxy-2-(2-pyridyl)cyclopentanes and cis- and trans-1-hydroxy-2-(2-pyrazyl)cyclopentanesHOUMINER, Y.Journal of organic chemistry. 1985, Vol 50, Num 6, pp 786-789, issn 0022-3263Article

Reaction of chloropyrazine N-oxides with trimethylaluminumOHTA, A; INOUE, A; OHTSUKA, K et al.Heterocycles (Sendai). 1985, Vol 23, Num 1, pp 133-137, issn 0385-5414Article

Preparation and protonation of 2-pyrimidyl- and 2-pyrazylpalladium(II) complexesCROCIANI, B; DIBIANCA, F; GIOVENCO, A et al.Journal of organometallic chemistry. 1985, Vol 291, Num 2, pp 259-272, issn 0022-328XArticle

SYNTHESES OF MUTAASPERGILLIC AND DL-HYDROXYASPERGILLIC ACIDSOHTA A; OHTA M.1983; CHEMICAL AND PHARMACEUTICAL BULLETIN; ISSN 0009-2363; JPN; DA. 1983; VOL. 31; NO 1; PP. 20-24; BIBL. 15 REF.Article

REACTIONS OF THE MONOXIDES OF 2,6-DISUBSTITUTED PYRAZINES WITH PHOSPHORYL CHLORIDE AND ACETIC ANHYDRIDEOHTA A; IMAZEKI A; ITOIGAWA Y et al.1983; JOURNAL OF HETEROCYCLIC CHEMISTRY; ISSN 0022-152X; USA; DA. 1983; VOL. 20; NO 2; PP. 311-320; BIBL. 16 REF.Article

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A new synthesis of aryl hetaryl ketones via S_RN1 reactions of halogenated heterocycles with potassiophenylacetonitrile followed by phase-transfer catalyzed decyanationHERMANN, C. K. F; SACHDEVA, Y. P; WOLFE, J. F et al.Journal of heterocyclic chemistry. 1987, Vol 24, Num 4, pp 1061-1065, issn 0022-152XArticle

A novel synthesis and transformations of 1H-pyrazino/2,3-e/1,3,4-thiadiazine derivativesKOREN, B; STANOVNIK, B; TISLER, M et al.Heterocycles (Sendai). 1985, Vol 23, Num 4, pp 913-925, issn 0385-5414Article