Results 171 to 180 of about 39,305 (203)

ChemInform Abstract: 4H‐PYRANS. (REVIEW)

Chemischer Informationsdienst, 1983
O. V. DRYGINA, A. D. GARNOVSKII
openaire   +1 more source

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
Soukaïna Chehab, Youssef Merroun, Tourya Ghailane   +2 more
exaly  

Copper-Catalyzed Synthesis of Trifluoromethylated 4H-Pyrans

Synfacts, 2022
openaire   +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

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

N,N,N′,N′‐Tetramethylchloroformamidinium Chloride‐Mediated Cyclizations of β‐Oxo Amides: Facile and Divergent One‐Pot Synthesis of Substituted 2H‐Pyrans, 4H‐Pyrans and Pyridin‐2(1H)‐ones

Advanced Synthesis and Catalysis, 2009
Xinxin Tian, Yongjiu Liang, Yingjie Lin   +2 more
exaly  

Triphenylphenoxyl‐katalysierte Dehydrierung von 4H‐Pyran‐Derivaten

Angewandte Chemie, 1960
K. Dimroth, K. H. Wolf
openaire   +1 more source

One-Pot, Three-Component Synthesis of 4H-Pyrans Using Cu(II) Oxymetasilicate

Synthetic Communications, 2009
Majid M Heravi, Yahya S Beheshtiha, Samahe Sadjadi   +2 more
exaly  

ChemInform Abstract: Structure of 2,4,4,6‐Tetraphenyl‐4H‐pyran.

ChemInform, 1990
J. VOJTECHOVSKY, J. HASEK
openaire   +1 more source