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1Crystal Structure of a Trinuclear Dinitrogen-Bridged Complex: Di-Μ-di-nitrogen-tetrachlorobis[chlorotetrakis(dimethylphenylphosphine)rhenio]molybdenum–dichloromethane (1/1)

PD CRADWICK

The crystal structure of the title compound has been determined by Patterson methods from three-dimensional X-ray data and refined by full-matrix least squares to R 0.068 for 1 893 observed reflections. Crystals are monoclinic, space group P21/c, with a= 16.710(10), b= 14.164(10), c= 19.084(11)Å, β= 114.3(5)°, Z= 2. The N–N bond length is longer than those of mononuclear-dinitrogen complexes. The structure contains a linear Re–N–N–Mo–N–N–Re chain.

1977Chemischer Informationsdienst（1977）引用：15

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2Preparation and X-Ray Structure of A Trinuclear Dinitrogen-Bridged Complex, Trans-[Mocl4[(N2)Recl(Pme2ph)4]2]

PD CRADWICK,J CHATT,RH CRABTREE,RL RICHARDS

P. D. Cradwick, J. Chatt, R. H. Crabtree and R. L. Richards, J. Chem. Soc., Chem. Commun., 1975, 351 DOI: 10.1039/C39750000351

1975JOURNAL OF THE CHEMICAL SOCIETY-CHEMICAL COMMUNICATIONS（1975）引用：34

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3ChemInform Abstract: PREPARATION AND X‐RAY STRUCTURE OF A TRINUCLEAR DINITROGEN‐BRIDGED COMPLEX, TRANS‐(MOCL4((N2)RECL(PME2PH)4)2)

P. D. CRADWICK,J. CHATT,R. H. CRABTREE,R. L. RICHARDS

AbstractDer Rhenium‐Komplex (I) bildet mit den Wo1fram‐ und Molybdän‐Komplexen (II) die Komplexe (III).

1975Chemischer Informationsdienst（1975）引用：36

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4Is Maleic Hydrazide a Pyrimidine or Purine Analogue?

PD CRADWICK

MALEIC hydrazide (structure I, R1=R2=H) is well known in agriculture as a growth inhibitor, but its mechanism of action is uncertain. Its close structural resemblance to the pyrimidine base uracil (structure II, R1=R2=H) has led to the suggestion that it replaces uracil in the RNA molecule1,2, and although this theory is not universally accepted3, maleic hydrazide is known to be incorporated into RNA2. The crystal structure of maleic hydrazide has now been elucidated (a full report will be published elsewhere) and a model of the molecular structure as found in the crystal has been used in attempts to form base pairs with the nucleic acid bases. The geometrical criteria of hydrogen bond formation suggests that maleic hydrazide can be regarded as either a pyrimidine or a purine analogue.

1975Nature（1975）引用：35

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5ChemInform Abstract: CONFORMATION OF THE STRAINED META,META′‐BRIDGED BIPHENYL SYSTEM IN THE LYTHRACEAE ALKALOIDS LYTHRANCINE‐II AND LYTHRANCINE‐IV, X‐RAY ANALYSES

MICHAEL J. BARROW,PETER D. CRADWICK,GEORGE A. SIM

Chemischer InformationsdienstVolume 6, Issue 11 Physical Organic Chemistry ChemInform Abstract: CONFORMATION OF THE STRAINED META,META′-BRIDGED BIPHENYL SYSTEM IN THE LYTHRACEAE ALKALOIDS LYTHRANCINE-II AND LYTHRANCINE-IV, X-RAY ANALYSES MICHAEL J. BARROW, MICHAEL J. BARROWSearch for more papers by this authorPETER D. CRADWICK, PETER D. CRADWICKSearch for more papers by this authorGEORGE A. SIM, GEORGE A. SIMSearch for more papers by this author MICHAEL J. BARROW, MICHAEL J. BARROWSearch for more papers by this authorPETER D. CRADWICK, PETER D. CRADWICKSearch for more papers by this authorGEORGE A. SIM, GEORGE A. SIMSearch for more papers by this author First published: March 18, 1975 https://doi.org/10.1002/chin.197511088AboutPDF ToolsRequest permissionExport citationAdd to favoritesTrack citation ShareShare Give accessShare full text accessShare full-text accessPlease review our Terms and Conditions of Use and check box below to share full-text version of article.I have read and accept the Wiley Online Library Terms and Conditions of UseShareable LinkUse the link below to share a full-text version of this article with your friends and colleagues. Learn more.Copy URL Share a linkShare onFacebookTwitterLinkedInRedditWechat No abstract is available for this article. Volume6, Issue11March 18, 1975 RelatedInformation

1975Chemischer Informationsdienst

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6ChemInform Abstract: SESQUITERPENOIDE 14. MITT. ROENTGENUNTERSUCHUNG VON 13BETA‐(P‐BROM‐PHENYLMERCAPTO)‐11ALPHA,13‐DIHYDRO‐PULCHELLIN‐C‐DIACETAT, STEREOCHEMIE DER ADDITION VON THIOLEN AN SESQUITERPENOID‐ALPHA‐METHYLEN‐GAMMA‐LACTONE 15. MITT. ROENTGENANALYSE DER KRISTALLSTRUKTUR VON HUMULENDIEPOXID

MURDOCH CURRIE,GEORGE A. SIM,M. ELIZABETH CRADWICK,PETER D. CRADWICK

Chemischer InformationsdienstVolume 4, Issue 21 Physical Organic Chemistry ChemInform Abstract: SESQUITERPENOIDE 14. MITT. ROENTGENUNTERSUCHUNG VON 13BETA-(P-BROM-PHENYLMERCAPTO)-11ALPHA,13-DIHYDRO-PULCHELLIN-C-DIACETAT, STEREOCHEMIE DER ADDITION VON THIOLEN AN SESQUITERPENOID-ALPHA-METHYLEN-GAMMA-LACTONE 15. MITT. ROENTGENANALYSE DER KRISTALLSTRUKTUR VON HUMULENDIEPOXID MURDOCH CURRIE, MURDOCH CURRIESearch for more papers by this authorGEORGE A. SIM, GEORGE A. SIMSearch for more papers by this authorM. ELIZABETH CRADWICK, M. ELIZABETH CRADWICKSearch for more papers by this authorPETER D. CRADWICK, PETER D. CRADWICKSearch for more papers by this author MURDOCH CURRIE, MURDOCH CURRIESearch for more papers by this authorGEORGE A. SIM, GEORGE A. SIMSearch for more papers by this authorM. ELIZABETH CRADWICK, M. ELIZABETH CRADWICKSearch for more papers by this authorPETER D. CRADWICK, PETER D. CRADWICKSearch for more papers by this author First published: May 22, 1973 https://doi.org/10.1002/chin.197321101AboutPDF ToolsRequest permissionExport citationAdd to favoritesTrack citation ShareShare Give accessShare full text accessShare full-text accessPlease review our Terms and Conditions of Use and check box below to share full-text version of article.I have read and accept the Wiley Online Library Terms and Conditions of UseShareable LinkUse the link below to share a full-text version of this article with your friends and colleagues. Learn more.Copy URL Share a linkShare onFacebookTwitterLinkedInRedditWechat No abstract is available for this article. Volume4, Issue21May 22, 1973 RelatedInformation

1973Chemischer Informationsdienst（1973）

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