STUDIES ON A CONVERGENT ROUTE TO SIDE-CHAIN ANALOGUES OF VITAMIN D: 25-HYDROXY-23-OXAVITAMIN D_D3^U1TOH HT; OKAMURA WH.1983; JOURNAL OF ORGANIC CHEMISTRY; ISSN 0022-3263; USA; DA. 1983; VOL. 48; NO 9; PP. 1414-1417; BIBL. DISSEM.Article

HETEROCALCIFEROLS: NOVEL 3-THIA AND 3-SULFINYL ANALOGUES OF 1ALPHA -HYDROXYVITAMIN D₃HACES A; OKAMURA WH.1982; J. AM. CHEM. SOC.; ISSN 0002-7863; USA; DA. 1982; VOL. 104; NO 22; PP. 6105-6109; BIBL. 14 REF.Article

ELECTROCYCLIZATION OF 1-ALLENYLDIENES: NOVEL SYNTHESIS OF DRIMATRIENES AND RELATED TRANS-DECALINSREISCHL W; OKAMURA WH.1982; J. AM. CHEM. SOC.; ISSN 0002-7863; USA; DA. 1982; VOL. 104; NO 22; PP. 6115-6117; BIBL. 18 REF.Article

EFFECT OF 3-METHYL SUBSTITUENTS ON THE THERMAL (1,5)- AND (1,7)-SIGMATROPIC HYDROGEN SHIFTS OF VINYLALLENES AND OTHER SECO STEROIDS RELATED TO VITAMIN D: SYNTHESIS OF 3-METHYL- AND 3,3-DIMETHYL-SUBSTITUTED ANALOGUES OF 3-DEOXY-1ALPHA ,25-DIHYDROXYVITAMIN D₃LEYES GA; OKAMURA WH.1982; J. AM. CHEM. SOC.; ISSN 0002-7863; USA; DA. 1982; VOL. 104; NO 22; PP. 6099-6105; BIBL. 28 REF.Article

ON THE (2,3)-SIGMATROPIC REARRANGEMENTS OF SULFENATE ESTERS DERIVED FROM ALKENYNOLS: SYNTHESIS OF VINYLALLENE AND VINYLACETYLENE SULFOXIDESVAN KRUCHTEN EMGA; OKAMURA WH.1982; TETRAHEDRON LETT.; ISSN 0040-4039; GBR; DA. 1982; VOL. 23; NO 10; PP. 1019-1022; BIBL. 21 REF.Article

STUDIES ON VITAMIN D (CALCIFEROL) AND ITS ANALOGUES. XIX: REARRANGEMENT OF VINYLALLENES TO 1-HYDROXYLATED VITAMIN D MODEL SYSTEMS LACKING THE D RING AND SIDE CHAINCONDRAN P JR; OKAMURA WH.1980; J. ORG. CHEM.; ISSN 0022-3263; USA; DA. 1980; VOL. 45; NO 20; PP. 4011-4015; BIBL. 24 REF.Article

A NEW PREPARATION OF 2-METHYLCYCLOHEPTANE-1,3-DIONELEWICKA PIEKUT S; OKAMURA WH.1980; SYNTHET. COMMUNIC.; USA; DA. 1980; VOL. 10; NO 6; PP. 415-420; BIBL. 7 REF.Article

STUDIES OF VITAMIN D AND ITS ANALOGS. VI. 3-DEOXY-A-HOMOVITAMIN D₃, A MODEL SYNTHESISSINE SM; CONKLIN TE; OKAMURA WH et al.1974; J. ORG. CHEM.; U.S.A.; DA. 1974; VOL. 39; NO 25; PP. 3797-3799; BIBL. 17 REF.Article

12-S-CIS CONFORMATIONALLY LOCKED 11-CIS-RETINOIDS: A DELINEATION OF THE THERMAL REQUIREMENTS FOR (1,5)-SIGMATROPIC SHIFTS AND ELECTROCYCLIZATIONS IN THE VITAMIN A SERIES AND NOVEL SPECTRAL PROPERTIESCHANDRARATNA RAS; BAYERQUE AL; OKAMURA WH et al.1983; JOURNAL OF THE AMERICAN CHEMICAL SOCIETY; ISSN 0002-7863; USA; DA. 1983; VOL. 105; NO 11; PP. 3588-3594; BIBL. DISSEM.Article

STUDIES ON THE MODE OF ACTION OF CALCIFEROL. X. 24-NOR-2-HYDROXYVITAMIN D₃, AN ANALOG OF 25-HYDROXYVITAMIN D₃ HAVING "ANTI-VITAMIN" ACTIVITY.JOHNSON RL; OKAMURA WH; NORMAN AW et al.1975; BIOCHEM. BIOPHYS. RES. COMMUNIC.; U.S.A.; DA. 1975; VOL. 67; NO 2; PP. 797-802; BIBL. 13 REF.Article

STUDIES ON VITAMIN D (CALCIFEROL) AND ITS ANALOGUES. XXI: SOLVOLYTIC RING EXPANSIONS OF VITAMIN D₃. FORMATION OF 1,4-DIHYDROXY-A-HOMO-19-NOR-9,10-SECOCHOLESTA-5,7-DIENEGERDES JM; NORMAN AW; OKAMURA WH et al.1981; J. ORG. CHEM.; ISSN 0022-3263; USA; DA. 1981; VOL. 46; NO 3; PP. 599-602; BIBL. 17 REF.Article

C₁₁H₁₂ HYDROCARBONS. II. PREPARATION OF TRICYCLO (5.4.0.0^2,5) UNDECA-3,8,10-TRIENE. A NORBORNENONE ROUTE FROM CYCLOHEPTATRIENEMONTHONY JF; BEECHAN CM; OKAMURA WH et al.1972; TETRAHEDRON; G.B.; DA. 1972; VOL. 28; NO 16; PP. 4285-4297; BIBL. 1 P. 1/2Serial Issue

STUDIES ON VITAMIN D AND ITS ANALOGS. VIII. 3-DEOXY-1ALPHA , 25-DIHYDROXYVITAMIN D₃, A POTENT NEW ANALOG OF 1ALPHA , 25-(OH)₂-D₃OKAMURA WH; MITRA MN; PROCSAL DA et al.1975; BIOCHEM. BIOPHYS. RES. COMMUNIC.; U.S.A.; DA. 1975; VOL. 65; NO 1; PP. 24-30; BIBL. 15 REF.Article

(1,5)-SIGMATROPIC REARRANGEMENT OF VINYLALLENES: A NOVEL ROUTE TO GEOMETRIC ISOMERS OF THE RETINOIDS POSSESSING 11-CIS LINKAGES INCLUDING 9-CIS, 11-CIS, 13-CIS-RETINALKNUDSEN CG; CAREY SC; OKAMURA WH et al.1980; J. AM. CHEM. SOC.; ISSN 0002-7863; USA; DA. 1980; VOL. 102; NO 20; PP. 6355-6356; BIBL. 18 REF.Article

STUDIES ON THE MODE OF ACTION OF VITAMIN D. XIV: QUANTITATIVE ASSESSMENT OF THE STRUCTURAL REQUIREMENTS FOR THE INTERACTION OF 1ALPHA -25-DIHYDROXYVITAMIN D₃ WITH ITS CHICK INTESTINAL MUCOSA RECEPTOR SYSTEMWECKSLER WR; OKAMURA WH; NORMAN AW et al.1978; J. STEROID BIOCHEM.; GBR; DA. 1978; VOL. 9; NO 10; PP. 929-937; BIBL. 44 REF.Article

STUDIES ON VITAMIN D AND ITS ANALOGS. VII. SOLUTION CONFORMATIONS OF VITAMIN D₃ AND 1ALPHA , 25-DIHYDROXYVITAMIN D₃ BY HIGH-RESOLUTION PROTON MAGNETIC RESONANCE SPECTROSCOPY.WING RM; OKAMURA WH; REGO A et al.1975; J. AMER. CHEM. SOC.; U.S.A.; DA. 1975; VOL. 97; NO 17; PP. 4980-4985; BIBL. 34 REF.Article

VITAMIN D : 3-DEOXY-1ALPHA -HYDROXYVITAMIN D₃, BIOLOGICALLY ACTIVE ANALOG OF 1ALPHA ,25-DIHYDROXYVITAMIN D₃NORMAN AW; MITRA MN; OKAMURA WH et al.1975; SCIENCE; U.S.A.; DA. 1975; VOL. 188; NO 4192; PP. 1013-1015; BIBL. 20 REF.Article

HYDROZIRCONATION-PROTONATION OF VITAMIN D.MESSING AW; ROSS FP; NORMAN AW et al.1978; TETRAHEDRON LETTERS; GBR; DA. 1978; NO 39; PP. 3635-3636; BIBL. 5 REF.Article

STUDIES ON VITAMIN D (CALCIFEROL) AND ITS ANALOGUES. XVIII: THE VINYLALLENE APPROACH TO THE 1-HYDROXYVITAMIN D SYSTEM. NEW SIGMATROPIC REACTIONS IN THE VITAMIN D SERIESCONDRAN P JR; HAMMOND ML; MOURINO A et al.1980; J. AM. CHEM. SOC.; ISSN 0002-7863; USA; DA. 1980; VOL. 102; NO 20; PP. 6259-6267; BIBL. 25 REF.Article

CHEMICAL SYNTHESIS AND BIOLOGICAL ACTIVITY OF 3-DEOXY-1A-HYDROXYVITAMIN D₃ AN ANALOG OF 1A,25-(OH)₂-D₃, THE ACTIVE FORM OF VITAMIN D₃OKAMURA WH; MITRA MN; WING RM et al.1974; BIOCHEM. BIOPHYS. RES. COMMUNIC.; U.S.A.; DA. 1974; VOL. 60; NO 1; PP. 179-185; BIBL. 22 REF.Article

STRUCTURE-FUNCTION STUDIES OF THE SIDE CHAIN OF 25-HYDROXYVITAMIN D₃NORMAN AW; JOHNSON RL; CORRADINO R et al.1979; J. BIOL. CHEM.; USA; DA. 1979; VOL. 254; NO 22; PP. 11445-11449; BIBL. 32 REF.Article

STUDIES ON VITAMIN D (CALCIFEROL) AND ITS ANALOGUES. XII. STRUCTURAL AND SYNTHETIC STUDIES OF 5,6-TRANS-VITAMIN D₃ AND THE STEREOISOMERS OF 10,19-DIHYDROVITAMIN D₃ IN CLUDING DIHYDROTACHYSTEROL₃.OKAMURA WH; HAMMOND ML; REGO A et al.1977; J. ORG. CHEM.; U.S.A.; DA. 1977; VOL. 42; NO 13; PP. 2284-2291; BIBL. 32 REF.Article

VITAMIND IN SOLUTION: CONFORMATIONS OF VITAMINED₃, 1ALPHA , 25-DIHYDROXYVITAMIND₃, AND DIHYDROTACHYSTEROL₃ = VITAMINED EN SOLUTION: CONFORMATION DE VITAMINED₃, 1ALPHA , 25-DIHYDROXYVITAMINED₃ ET DIHYDROTACHYSTEROLWING RM; OKAMURA WH; PIRIO MR et al.1974; SCIENCE; U.S.A.; DA. 1974; VOL. 186; NO 4167; PP. 939-941; BIBL. 13REF.Article

STUDIES ON VITAMIN D (CALCIFEROL) AND ITS ANALOGUES. XIII. 3-DEOXY-3ALPHA -METHYL-1ALPHA -HYDROXYVITAMIN D₃,3-DEOXY-3ALPHA -METHYL-1ALPHA ,25-DIHYDROXYVITAMIN D₃, AND 1ALPHA -HYDROXY-3-EPIVITAMIN D₃. ANALOGUES WITH CONFORMATIONALLY BIASED A RINGS.OKAMURA WH; MITRA MN; PIRIO MR et al.1978; J. ORG. CHEM.; U.S.A.; DA. 1978; VOL. 43; NO 4; PP. 574-580; BIBL. 40 REF.Article

STUDIES ON VITAMIN D (CALCIFEROL) AND ITS ANALOGUES. XV. 24-NOR-1ALPHA ,25 DIHYDROXYVITAMIN D₃ AND 24-NOR-25-HYDROXY-5,6-TRANS-VITAMIN D₃MOURINO A; BLAIR P; WECKSLER W et al.1978; J. MEDICIN. CHEM.; USA; DA. 1978; VOL. 21; NO 10; PP. 1025-1029; BIBL. 22 REF.Article