BF3·OEt2-catalyzed synthesis of 2,2′-spirobi-2H-1-benzopyrans from 2H-chromenes

Autor:	Sairam Mudulkar, Sai Teja Kolla, Balasubramanian Sridhar, China Raju Bhimapaka
Rok vydání:	2022
Předmět:	Organic Chemistry Physical and Theoretical Chemistry Biochemistry
Zdroj:	Organic & Biomolecular Chemistry. 20:8145-8148
ISSN:	1477-0539 1477-0520
DOI:	10.1039/d2ob01286c
Popis:	A new approach was developed for the construction of 2,2′-spirobi-2H-1-benzopyrancarboxylates by reacting ethyl 2-(chloromethyl)-2-hydroxy-2H-chromene-3-carboxylates with salicylaldehydes through the formation of C–C and C–O bonds in one pot.
Databáze:	OpenAIRE
Externí odkaz:	https://explore.openaire.eu/search/publication?articleId=doi_________::b0d1b68b648b74f2f59416e08fad5fef https://doi.org/10.1039/d2ob01286c Zobrazit plný text záznamu