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Poojappan Narayanan

Max Planck Society

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Featured researches published by Poojappan Narayanan.

Angewandte Chemie | 1974

Röntgen-Strukturanalyse des 1:1-Zwischenproduktes der „criss-cross”-Cycloaddition von Isobutylen an Hexafluoracetonazin

Alfred Gieren; Poojappan Narayanan; Klaus Burger; Willy Thenn

Angewandte Chemie | 1974

X-Ray Structure Analysis of the 1:1 Intermediate of the “Criss-Cross” Cycloaddition of Isobutylene to Hexafluoroacetone Azine

Alfred Gieren; Poojappan Narayanan; Klaus Burger; Willy Thenn

European Journal of Organic Chemistry | 1974

Über die Inhaltsstoffe des grünen Knollenblätterpilzes, XLIV1) Die Konfiguration der hydroxylierten Isoleucine der Amatoxine

Alfred Gieren; Poojappan Narayanan; W. Hoppe; Mashooda Hasan; Kurt Michl; Theodor Wieland; Harry Smith; Günther Jung; Eberhard Breitmaier

Journal of the American Chemical Society | 1977

Crystal and molecular structure of oxyphosphoranes. 9. The spiropentaoxyphosphorane, 2-phenoxy-2,2-o-phenylenemethyl)-2,2-dihydro-1,3,2-dioxaphospholene

Poojappan Narayanan; Helen M. Berman; Fausto Ramirez; James F. Marecek; Yu Fen Chaw; Vidyanatha A. V. Prasad

Chemische Berichte | 1974

Über die Reaktion von Hexafluoraceton‐azin mit Phosphiten und Tris(dimethylamino)phosphan

Klaus Burger; Willy Thenn; Josef Fehn; Alfred Gieren; Poojappan Narayanan

Journal of the American Chemical Society | 1979

Molecular structure of a stable N-methylimidazole-magnesium 2,4-dinitrophenoxide complex. A model for histidine and N.tau.-methylhistidine coordination in MgATPases and their uncouplers

Raghupathy Sarma; Fausto Ramirez; Poojappan Narayanan; Brian McKeever; James F. Marecek

Journal of Organic Chemistry | 1978

Correction. Crystal and Molecular Struction of Pentaaquohexa-(diphenylphosphato)trimagnesium(II), [(C6H5O)2P(O)O]6Mg3-(H2O)5, a Hydrated Magnesium Phosphodiester Salt with Penta- and Hexacoordiante Metal Ions.

Poojappan Narayanan; Fausto Ramirez; Terence M. McCaffrey; YuFen Chaw; James F. Marecek

Tetrahedron Letters | 1970

Crystal and molecular structure of grayanotoxin - I, C22H36O7

Poojappan Narayanan; M. Röhrl; K. Zechmeister; W. Hoppe

Tetrahedron Letters | 1971

Structure of 7-hydroxy-lathyrol a further diterpene from euphorbia lathyris L.

Poojappan Narayanan; M. Röhrl; K. Zechmeister; D.W. Engel; W. Hoppe; E. Hecker; W. Adolf

The Indian journal of tuberculosis | 2006

Estimation of annual risk of tuberculosis infection among children irrespective of BCG scar in the south zone of India

P.G. Gopi; R. Subramani; C. Kolappan; V. Venkatesh Prasad; Poojappan Narayanan

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Alfred Gieren

Max Planck Society

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W. Hoppe

Max Planck Society

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K. Zechmeister

Max Planck Society

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Klaus Burger

Leipzig University

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Fausto Ramirez

Stony Brook University

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James F. Marecek

Stony Brook University

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M. Röhrl

Max Planck Society

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Brian McKeever

Stony Brook University

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Raghupathy Sarma

Stony Brook University

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Eberhard Breitmaier

University of Bonn

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