Pierre Seidel
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Crystal structures of 3,4,5-triphenyltoluene and 3,4,5-triphenylbenzyl bromide Open
This article describes the crystal structures of 3,4,5-triphenyltoluene, C 25 H 20 ( 1 ), and 3,4,5-triphenylbenzyl bromide, C 25 H 19 Br ( 2 ), which represent two intermediates of a multistep synthesis of a phenylacetic acid derivative. …
Crystal Structures of 9,9-Disubstituted Fluorene Derivatives Bearing Methyl, Hydroxymethyl or Pyridinylmethyl Groups Open
The wide range of application possibilities of fluorene derivatives, due to their unique physical and chemical properties, has made this class of molecules important for various disciplines. The synthesis of these compounds and the study o…
Crystal structure of an acetonitrile solvate of 2-(3,4,5-triphenylphenyl)acetic acid Open
Crystal growth of 2-(3,4,5-triphenylphenyl)acetic acid ( 1 ) from acetonitrile yields a monosolvate, C 26 H 20 O 2 ·CH 3 CN, of the space group P 1 . In the crystal, the title molecule adopts a conformation in which the three phenyl rings …
Synthesis of 2-[(3,4,5-Triphenyl)phenyl]acetic Acid and Derivatives Open
New phenylacetic acid derivatives with potentially valuable biological activities and the ability to act as starting materials for various functionalizations have been prepared by a multi-step synthesis. Starting from 2,6-dibromo-4-methyla…
Compounds Derived from 9,9‐Dialkylfluorenes: Syntheses, Crystal Structures and Initial Binding Studies (Part II) Open
New representatives of 2,4,7‐trisubstituted 9,9‐dialkyl‐9 H ‐fluorenes were prepared and used for crystallographic investigations as well as initial binding studies towards metal ions and carbohydrates. The binding studies, which included …
View article: Crystal structure of 9,9-diethyl-9<i>H</i>-fluorene-2,4,7-tricarbaldehyde
Crystal structure of 9,9-diethyl-9<i>H</i>-fluorene-2,4,7-tricarbaldehyde Open
The title compound, C 20 H 18 O 3 , crystallizes in the space group P 2 1 / c with one molecule in the asymmetric unit of the cell. The fluorene skeleton is nearly planar and the crystal structure is composed of molecular layers extending …
View article: Fluorene Derivatives Bearing Two to Seven Phthalimidomethyl Groups: Syntheses, Crystal Structures and Conversion to Amines
Fluorene Derivatives Bearing Two to Seven Phthalimidomethyl Groups: Syntheses, Crystal Structures and Conversion to Amines Open
Fluorene derivatives containing four to seven phthalimidomethyl groups (1,3‐dioxo‐1,3‐dihydro‐2 H ‐isoindol‐2‐yl‐methyl groups) were prepared from 9 H ‐fluorene, 9,9‐diethyl‐9 H ‐fluorene as well as from 2,7‐ and 2,4,7‐functionalized 9,9‐d…
Syntheses of Acyclic and Macrocyclic Compounds Derived from 9,9‐Diethylfluorene (Part I) Open
A series of new 9,9‐diethylfluorenes consisting of three side‐arms each bearing a heterocyclic, bis(carboxymethyl)amino, bis(carbamoylmethyl)amino, bis(ethoxycarbonylmethyl)amino or an amino group were prepared on the basis of 2,4,7‐tris(b…