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QUELQUES MISES AU POINT CONCERNANT LA SYNTHESE D'ALCALOIDES DE L'APORPHINEUMEZAWA B; HOSHINO O.1978; J. SYNTHET. ORG. CHEM. JAP.; JPN; DA. 1978; VOL. 36; NO 10; PP. 858-870; ABS. ENG; BIBL. 62 REF.Article

STUDIES ON TETRAHYDROISOQUINOLINES. XVI: PREPARATION OF 2-HYDROXYAPORPHINES VIA O-QUINOL ACETATESMOSHINO O; OHTANI M; UMEZAWA B et al.1979; CHEM. PHARM. BULL.; JPN; DA. 1979; VOL. 27; NO 12; PP. 3101-3105; BIBL. 16 REF.Article

STUDIES OF TETRAHYDROISOQUINOLINES. XI. A FACILE SYNTHESIS OF ( +OU- )-APORPHINES VIA P-QUINOL ACETATESHARA H; HOSHINO O; UMEZAWA B et al.1976; CHEM. PHARM. BULL.; JAP.; DA. 1976; VOL. 24; NO 2; PP. 262-265; BIBL. 5 REF.Article

STUDIES ON TETRAHYDROISOQUINOLINES. VI. SYNTHESIS OF ( +OU- )-THALIPORPHINE AND ( +OU- )-GLANCINE VIA. A P-QUINOL ACETATEHOSHINO O; TOSHIOKA T; UMEZAWA B et al.1974; CHEM. PHARM. BULL.; JAP.; DA. 1974; VOL. 22; NO 6; PP. 1302-1306; BIBL. 12 REF.Article

SYNTHESIS OF ( +OU- )-1,2-DIACETOXYAPORPHINE VIA AN O-QUINOL ACETATEHOSHINO O; OHTANI M; UMEZAWA B et al.1981; HETEROCYCLES; ISSN 0385-5414; JPN; DA. 1981; VOL. 16; NO 5; PP. 793-794; BIBL. 7 REF.Article

ORGANIC PHOTOCHEMISTRY. V: DETHIOACETALIZATION BY PHOTOLYSIS IN THE PRESENCE OF MOLECULAR OXYGENHOSHINO O; SAWAKI S; UMEZAWA B et al.1979; CHEM. PHARM. BULL.; JPN; DA. 1979; VOL. 27; NO 2; PP. 538-540; BIBL. 14 REF.Article

STUDIES ON TETRAHYDROISOQUINOLINES. XX: A NOVEL SYNTHESIS OF 8-ARYL.1,2,3,4-TETRAHYDROISOQUINOLINESHARA H; HOSHINO O; UMEZAWA B et al.1983; CHEMICAL AND PHARMACEUTICAL BULLETIN; ISSN 0009-2363; JPN; DA. 1983; VOL. 31; NO 2; PP. 730-732; BIBL. 8 REF.Article

STUDIES ON TETRAHYDROISOQUINOLINES. XVII: A SYNTHESIS OF 8-HALO-1,2,3,4-TETRAHYDROISOQUINOLINESHARA H; HOSHINO O; UMEZAWA B et al.1981; CHEM. PHARM. BULL.; ISSN 0009-2363; JPN; DA. 1981; VOL. 29; NO 1; PP. 51-54; BIBL. 11 REF.Article

A NOVEL SYNTHESIS OF APORPHINE ALKALOIDS VIA O-QUINOL ACETATESHOSHINO O; OHTANI M; UMEZAWA B et al.1978; CHEM. PHARM. BULL.; JPN; DA. 1978; VOL. 26; NO 12; PP. 3920-3921; BIBL. 7 REF.Article

ACID-CATALYZED REACTION OF 1-SUBSTITUTED 10-ACETOXY-8-CHLORO-6-METHOXY-2-METHYL-7-OXO-DELTA 5,6,8,9-HEXAHYDROISOQUINOLINES.HARA H; HOSHINO O; UMEZAWA B et al.1976; HETEROCYCLES; JAP.; DA. 1976; VOL. 5; NO SPEC.; PP. 213-220; BIBL. 11 REF.Article

FORMATION OF A P-QUINONE METHIDE IN THE PRESENCE OF METHANOL.HOSHINO O; HARA H; OGAWA M et al.1976; HETEROCYCLES; JAP.; DA. 1976; VOL. 5; NO SPEC.; PP. 207-211; BIBL. 8 REF.Article

STUDIES ON TETRAHYDROISOQUINOLINES. XIX: SYNTHESIS OF ( +OU- )-ISOTHEBAINE, ( +OU- )-1-HYDROXY-2,9-DIMETHOXY-, ( +OU- )-1-HYDROXY-2,10-DIMETHOXY-, AND ( +OU- )-2,10-DIMETHOXY-APORPHINES, ( +OU- )-2,6-DIMETHOXYHOMOMORPHINANDIENONE, AND ( +OU- )-1-HYDROXY-2,10-DIMETHOXYHOMOAPORPHINEHARA H; OSHINO O; ISHIGE T et al.1981; CHEM. PHARM. BULL.; ISSN 0009-2363; JPN; DA. 1981; VOL. 29; NO 4; PP. 1083-1087; BIBL. 13 REF.Article

A FORMAL SYNTHESIS OF ( +OU- )-LYCORINEUMEZAWA B; HOSHINO O; SAWAKI S et al.1979; HETEROCYCLES; JPN; DA. 1979; VOL. 12; NO 11; PP. 1475-1478; BIBL. 9 REF.Article

STUDIES ON TETRAHYDROISOQUINOLINE. XIII: TOTAL SYNTHESES OF ( +OU- )-O-METHYLANDROCYMBINE, ( +OU- )-ANDROCYMBINE, ( +OU- )-KREYSIGINE, ( +OU- )-MULTIFLOR-AMINE, AND THEIR RELATED PHENETHYLISOQUINOLINE ALKALOIDSHARA H; HOSHINO O; UMEZAWA B et al.1979; J. CHEM. SOC., PERKIN TRANS., 1; GBR; DA. 1979; NO 11; PP. 2657-2663; BIBL. 12 REF.Article

6-ACETOXY-5-METHOXY-1-METHYL-1,2,3,9A-TETRAHYDROCYCLOHEXA (IJ) ISOQUINOLINE-7-SPINO-4'-(2'-METHOXY-2',5'-CYCLOHEXADIEN-1'-ONE) METHIODIDE (ACETYL DIENONE II METHIODIDE)HARA H; HOSHINO O; UMEZAWA B et al.1978; ACTA CRYSTALLOGR., B; DNK; DA. 1978; VOL. 34; NO 12; PP. 3825-3827; BIBL. 7 REF.Article

A BIOMIMETIC SYNTHESIS OF ( +OU- )-TETRAHYDROTAKATONINE, ( +OU- )-O-METHYLGIGANTINE AND TEHAUNINEHARA H; TSUNASHIMA A; SHINOKI H et al.1982; HETEROCYCLES; ISSN 0385-5414; JPN; DA. 1982; VOL. 17; NO SPEC.; PP. 293-296; BIBL. 10 REF.Article

STUDIES ON TETRAHYDROISOQUINOLINES. XIV: A SYNTHESIS OF 4-ALKOXYAPORPHINESHOSHINO O; HARA H; OGAWA M et al.1980; J. CHEM. SOC., PERKIN TRANS., 1; GBR; DA. 1980; NO 5; PP. 1165-1168; BIBL. 4 REF.Article

A CYCLIZATION OF BETA -ARYLETHYLISOCYANATES TO 3,4-DIHYDROISO-CARBOSTYRILSUMEZAWA B; HOSHINO O; SAWAKI S et al.1980; CHEM. PHARM. BULL.; JPN; DA. 1980; VOL. 28; NO 3; PP. 1003-1005; BIBL. 14 REF.Article

AN ALTERNATIVE SYNTHESIS OF ( +OU- )-ALPHA - AND ( +OU- )-GAMMA -LYCORAMES.UMEZAWA B; HOSHINO O; SAWAKI S et al.1977; J. ORG. CHEM.; U.S.A.; DA. 1977; VOL. 42; NO 26; PP. 4272-4275; BIBL. 19 REF.Article

A STEREOSPECIFIC SYNTHESIS OF ( +OU- )-CATALINEHOSHINO O; HARA H; OGAWA M et al.1975; J. CHEM. SOC., CHEM. COMMUNIC.; G.B.; DA. 1975; NO 9; PP. 306-307; BIBL. 5 REF.Article

ON THE REACTION OF 1-BENZYL-7-ACETOXY-7-METHOXY-2-METHYL-6-OXO-DELTA 4A,5,8,8A-HEXAHYDROISOQUINOLINES (O-QUINOL ACETATES) WITH METHANOL IN THE PRESENCE OF SULFURIC ACIDHOSHINO O; OHTANI M; UMEZAWA B et al.1982; HETEROCYCLES; ISSN 0385-5414; JPN; DA. 1982; VOL. 17; NO SPEC.; PP. 289-292; BIBL. 4 REF.Article

STUDIES ON TETRAHYDROISOQUINOLINES. X. A STEREOSPECIFIC SYNTHESIS OF ( +OU- )-CATALINEHOSHINO O.1975; CHEM. PHARM. BULL.; JAP.; DA. 1975; VOL. 23; NO 11; PP. 2578-2583; BIBL. 13 REF.Article

STUDIES ON TETRAHYDROISOQUINOLINES. VII. SYNTHESIS OF HOMOAPORPHINE VIA A P-QUINOL ACETATE. TOTAL SYNTHESIS OF ( +OU- )-KREYSIGINEHOSHINO O; TOSHIOKA T; OHYAMA K et al.1974; CHEM. PHARM. BULL.; JAP.; DA. 1974; VOL. 22; NO 6; PP. 1307-1312; BIBL. 9 REF.Article

STUDIES ON TETRAHYDROISOQUINOLINES. VIII. LEAD TETRAACETATE OXIDATION OF 1,2,3,4-TETRAHYDRO-6-HYDROXY-7-METHOXY-2-METHYLISOQUINOLINE AND ITS 1-SUBSTITUTED DERIVATIVESHOSHINO O; OHYAMA K; TAGA M et al.1974; CHEM. PHARM. BULL.; JAP.; DA. 1974; VOL. 22; NO 11; PP. 2587-2592; BIBL. 18 REF.Article

STUDIES ON TETRAHYDROISOQUINOLINES. XV: LEAD TETRA-ACETATE OXIDATION OF FOUR HYDROXYTETRAHYDROPROTOBERBERINES, ( +OU- )-GOVANINE, ( +OU- )-DISCRETINE, ( +OU- )-CORYTENCINE, AND ( +OU- )-10-HYDROXY-2,3,11-TRIMETHOXYTETRAHYDROPROTOBERBERINEHARA H; HOSAKA M; HOSHINO O et al.1980; J. CHEM. SOC., PERKIN TRANS., 1; GBR; DA. 1980; NO 5; PP. 1169-1175; BIBL. 16 REF.Article

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