77670-09-8

Upstream product

• 90-01-7 salicylic alcohol 
• 536-38-9 4-chlorobenzoylmethyl bromide 
• 109790-49-0 1-(4-Chloro-phenyl)-2-(2-hydroxymethyl-phenoxy)-ethanone 
• 70340-04-4 (2-hydroxybenzyl)triphenylphosphonium bromide 
• 109790-43-4 {2-[2-(4-Chloro-phenyl)-2-oxo-ethoxy]-benzyl}-triphenyl-phosphonium; bromide 

Downstream Products

• 119306-34-2 (+/-)4'-chloroisoflavan 

Relevant academic research and scientific papers

Benzopyrans compound as well as preparation method and application thereof

The invention relates to the field of the agricultural fungicide, and specifically relates to a benzopyrans compound as well as a preparation method and application thereof. The benzopyrans compound provided by the invention is simple in structure, easy to synthesize, low in production cost, and has a good inhibiting effect on the strawberry botrytis cinerea, potato altemaria solani, and watermelon fusarium oxysporum.

SYNTHESIS AND ANTI-RHINOVIRUS ACTIVITY OF HALOGEN-SUBSTITUTED ISOFLAVENES AND ISOFLAVANS

Halogenated 3(2H)-isoflavenes and (+/-)isoflavans were synthesized in order to study their in vitro activity against rhinovirus 1B by comparison with the known anti-viral compound, 4',6-dichloroflavan.The Wittig intramolecular cyclization of halogen subst

NOUVELLES VOIES D'ACCES AUX BENZOPYRANNES-III 2H-BENZO(b)PYRANNES(CHROMENES-3)

Alkylation of o-hydroxybenzyl triphenylphosphonium salts with α-halogenated carbonyl compounds, in presence of base, gives chrom-3 enes.