15295-66-6Relevant academic research and scientific papers
2,4,5-Triarylthiobenzophenones by ring transformation of 2,4,6- triarylthiopyrylium salts with arylacetaldehydes
Zimmermann
, p. 252 - 254 (1994)
2,4,6-Triarylthiopyrylium salts 1 and arylacetaldehydes 2 react in the presence of sodium methoxide in methanol by a 2,5-[C4 + C2, ring transformation to give 2,4,5-triarylthiobenzophenones 3. This ring transformation offers a new an
Ring Transformations of Heterocyclic Compounds. VII. 2,4,5-Triarylbenzophenones from 2,4,6-Triarylpyrylium Salts and Arylacetaldehydes: First Pyrylium Ring Transformations with Aldehydes as Carbon Nucleophiles
Zimmermann, T.
, p. 303 - 306 (1994)
2,4,6-Triarylpyrylium salts 1 react with arylacetaldehydes 2 in the presence of sodium acetate in ethanol by a 2,5- ring transformation to give 2,4,5-triarylbenzophenones 3 in high yield.Besides the sodium acetate, sodium methanolate, triethylami
