Results 241 to 250 of about 189,773 (300)

Synthesis, crystal structure, and Hirshfeld surface analysis of bis-{2-[(<i>E</i>)-(<i>p</i>-tolyl-imino)-meth-yl]benzen-1-olato}palladium. [PDF]

Acta Crystallogr E Crystallogr Commun
Muzammil NN, Sirat SS, Rosli MM, Hamali MA, Mohd Ali MT, Mohd Tajuddin A.   +5 more
europepmc   +1 more source

The crystal structure of tetra-kis-(5-phenyl-1<i>H</i>-imidazole-κ<i>N</i> ³)zinc(II) dinitrate. [PDF]

Acta Crystallogr E Crystallogr Commun
Magwa NP.
europepmc   +1 more source

Surtepe Höyük (Turquie) – C13

, 2015
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The Concentration of C13

The Journal of Chemical Physics, 1940
The chemical exchange method has been applied to the separation of the isotopes of carbon. Various exchange reactions have been tested, using counter-current flow in packed fractionation columns, and of these, the exchange between hydrogen cyanide gas and a solution of sodium cyanide in water has been found to be most efficient.
Clyde A. Hutchison, David W. Stewart, Harold C. Urey   +2 more
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Diterpenoids. XXXIV. The C13 configuration of tetrahydroabienol

Australian Journal of Chemistry, 1976
Tetrahydroabienol is a quasiracemic compound formed from C13 epimers.
Carman R.M., Zerner G.W.
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Synthesis of the C13-C23 Segment of Tedanolide

Synlett, 2005
AbstractFor Abstract see ChemInform Abstract in Full Text.
Gunnar Ehrlich, Markus Kalesse
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Synthesis of the C1−C13 Fragment of Leucascandrolide A

Organic Letters, 2000
[reaction: see text] The synthesis of the C1-C13 fragment 3 of leucascandrolide A has been completed utilizing a stereoselective and regioselective reductive cleavage of a highly functionalized spiroketal to incorporate the cis-2,6-disubstituted tetrahydropyan. The spiroketal was constructed by addition of a lithiated pyrone 5 to aldehyde 6.
M T, Crimmins, C A, Carroll, B W, King
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Synthesis of a Model for C7−C13 of Lankamycin

Organic Letters, 1999
[structure: see text] A convenient method is reported for construction of the C7-C13 segment of the macrolide antiobiotic lankamycin.
B C, Raimundo, C H, Heathcock
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Synthesis of the C1-C13 Fragment of (+)-Callipeltoside A

Synlett, 2007
The synthesis of the C1-C13 fragment of (+)-callipeltoside A has been achieved in 12 steps with an overall yield of 11%.
Boulard, L., Bouzbouz, S., Paris, J.-M., Cossy, J.   +3 more
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The dipole state in C13

Physics Letters, 1962
The change in the dipole state of C/sup 12/ produced by the addition of a single neutron is calculated. The C/sup 12/ nucleus is considered as a closed- shell nucleus in the j-j coupling model, and C/sup 13/ is considered as the addition of a 1p/sub 1/2 valence neutron to this C/sup 12/ nucleus.
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