Zobrazeno 1 - 10
of 21
pro vyhledávání: '"Karri Airola"'
Autor:
Niko Moritz, Hamideh Jabari, Karri Airola, Behzad Damadzadeh, Mikael Skrifvars, Pekka K. Vallittu
Publikováno v:
Journal of Materials Science: Materials in Medicine. 21:2523-2531
One main application of resorbable poly-L-lactic acid (PLLA) and poly-L-lactic-co-glycolic acid (PLGA) based materials is in medical implants. In this study composites were made from PLLA and PLGA with hydroxyapatite (HAp) respective beta-tricalcium
Publikováno v:
Journal für praktische Chemie. 341:237-244
New small concave hydrocarbon cyclophanes were prepared via the well-known HD-2SO2-method. The cyclophanes obtained are isomers of the very well-known [2.2.2]p,p,p-cyclophane, C24H24, a π-prismand efficiently complexing Ag+-ion. X-ray crystal struct
Publikováno v:
Inorganica Chimica Acta. 277:55-60
An oligomeric ligand (HPPy) 2 P, N , N ′-bis[2-(6-( N -( N ′-(2-hydroxyethyl)piperazinyl)methyl)]piperazine, was designed to resemble structurally open-chain aza-crowns. Owing to the all- trans configuration of piperazine and pyridine free electr
Publikováno v:
University of Helsinki
Scopus-Elsevier
Scopus-Elsevier
Pentacarbonyl(4-[2.2]metacyclophanyl(methoxy)carbene)chromium (1) reacts with alkynes to give the naphthalenophane complexes 2, 3a, and 3b. The benzannulation of 1 with 3,3-dimethyl-1-butyne diastereoselectively gave the anti-isomer 2, as indicated b
Autor:
Satumari Loukiala, Jari Ratilainen, Karri Airola, Jussi Valkonen, Kari Rissanen, Connie N. Rosendahl, Inger Søtofte, Bengt Långström
Publikováno v:
Acta Chemica Scandinavica. 52:593-602
Publikováno v:
Tetrahedron. 53:17691-17698
The condensation of the C-pentyl resorcarene 1 with long chain aliphatic diamines 3a-d and excess formaldehyde leads under high dilution conditions to tetrabenzoxazine derivatives 4a-d in which pairs of adjacent oxazine rings are connected by an alip
Publikováno v:
Inorganic Chemistry. 36:4734-4742
The rigid linear ligands 1a-g and the macrocycle 2 undergo self-assembly via coordination with copper(I) ions to generate the series of rigid-rack inorganic pseudorotaxanes 3a-g. These complexes have been characterized by analytical and spectroscopic
Publikováno v:
Chemische Berichte. 130:1353-1359
Eleven novel piperazine containing open-chain ligands L1–L11 were designed to offer symmetrical and asymmetrical complexation sites for metal ions and were synthesized by repetitive synthetic method. The divergent use of aromatic bishalomethyl and
Publikováno v:
Scopus-Elsevier
The ferrocenylbis(methylene)phosphorane Fc-P(=CTms 2 ) 2 ( 1 ) (Fc = −C 5 H 4 FeC 5 H 5 ) can be synthesized starting from ferrocenyldichlorophosphane FcPCl 2 or ferrocenyldilithiophosphane FcPLl 2 . The X-ray structure of ( 1 ) shows some unusual
Autor:
Volker Böhmer, Erich F. Paulus, Karri Airola, Christian Schmidt, Walter Vogt, Kari Rissanen, Iris Thondorf
Publikováno v:
Tetrahedron. 53:10709-10724
Four 5,6-benzo-1,3-oxazine rings are formed by the condensation of resorcarenes with various aliphatic or aromatic primary amines and formaldehyde. From four possible regioisomers only the C4 symmetrical compound is isolated in yields of up to 90%. S