pyrans
英 美

n.【化】吡喃

网络吡喃类

变形

复数：pyrans

权威例句

Reaction of singlet oxygen with 4-methyl-2,3-dihydro-.gamma.-pyrans
Computer-assisted prediction of normal boiling points of pyrans and pyrroles
Photophysics, photochemistry and kinetics of photochromic 2 H -pyrans and chromenes
Photochromism of Synthetic and Naturally Occurring 2H-Chromenes and 2H-Pyrans
A green one-pot multicomponent synthesis of 4-pyrans and polysubstituted aniline derivatives of biological, pharmacological, and opt...
One-step synthesis of substituted 6-amino-5-cyanospiro-4-(piperidine-4')- 2H,4H-dihydropyrazolo[3,4-b]pyrans.
Amino-functionalized ionic liquid as catalytically active solvent for microwave-assisted synthesis of 4H-pyrans
Sodium bromide catalysed one-pot synthesis of tetrahydrobenzo[ b ]pyrans via a three-component cyclocondensation under microwave irr...
Sodium Bromide Catalyzed One‐Pot Synthesis of Tetrahydrobenzo[b]pyrans via a Three‐Component Cyclocondensation under Microwave Irr...
Synthesis of cyclobutenes by the novel photochemical ring contraction of 4-substituted 2-amino-3,5-dicyano-6-phenyl-4H-pyrans