Results 151 to 160 of about 90,377 (200)

A facile and efficient synthesis of tetrahydrobenzo[b]pyrans and dihydropyrano[4,3-b]pyrans derivatives using phosphate fertilizers MAP, DAP, and TSP as heterogeneous catalysts

Journal of the Iranian Chemical Society, 2021
Youssef Merroun, Abdelaziz Souizi, Rachida Ghailane   +2 more
exaly  

Magnetic Graphitic Carbon Nitride-Catalyzed Highly Efficient Construction of Functionalized 4H-Pyrans

Synlett : Accounts and Rapid Communications in Synthetic Organic Chemistry, 2018
N. Azizi, Tahereh Soleymani Ahooie, M. Hashemi, I. Yavari   +3 more
semanticscholar   +1 more source

C5H4OS, 4H-Pyran-4-thione

2005
G. Graner, E. Hirota, T. Iijima, K. Kuchitsu, D. A. Ramsay, J. Vogt, N. Vogt   +6 more
openaire   +1 more source

C5H4O2, 4H-Pyran-4-one

2005
G. Graner, E. Hirota, T. Iijima, K. Kuchitsu, D. A. Ramsay, J. Vogt, N. Vogt   +6 more
openaire   +1 more source

Synthesis and structure elucidation of a novel mixed-ligand Cu(II) Schiff base complex and its catalytic performance for the synthesis of 2-amino-4H-pyrans and tetrahydro-4H-chromenes

, 2018
S. Y. Ebrahimipour, M. Khosravan, J. Castro, Fatemeh Khajoee Nejad, M. Dušek, V. Eigner   +5 more
semanticscholar   +1 more source

Sulfonated chitosan encapsulated magnetically Fe3O4 nanoparticles as effective and reusable catalyst for ultrasound-promoted rapid, three-component synthesis of spiro-4H-pyrans

Journal of the Iranian Chemical Society, 2018
H. Naeimi, S. Lahouti
semanticscholar   +1 more source

C5H8O2, Tetrahydro-4H-pyran-4-one

2005
G. Graner, E. Hirota, T. Iijima, K. Kuchitsu, D. A. Ramsay, J. Vogt, N. Vogt   +6 more
openaire   +1 more source

Na2EDTA: an efficient, green and reusable catalyst for the synthesis of biologically important spirooxindoles, spiroacenaphthylenes and spiro-2-amino-4H-pyrans under solvent-free conditions

Journal of the Iranian Chemical Society, 2017
Tayebeh Jazinizadeh, M. Maghsoodlou, R. Heydari, Afshin Yazdani-Elah-Abadi   +3 more
semanticscholar   +1 more source

Organocatalytic mediated green approach: A versatile new L-valine promoted synthesis of diverse and densely functionalized 2-amino-3-cyano-4H-pyrans

, 2018
J. Tiwari, Swastika Singh, M. Saquib, F. Tufail, A. Sharma, Shailesh Singh, Jaya Singh, Jagdamba Singh   +7 more
semanticscholar   +1 more source

2-Hydroxyethyl-1-ammonium 3-hydroxypropane-1-sulfonate: a biodegradable and recyclable ionic liquid for the one-pot synthesis of 2-amino-3-cyano-4H-pyrans

Journal of the Iranian Chemical Society, 2018
M. Honarmand, Andromachi Tzani, A. Detsi
semanticscholar   +1 more source