Thionyl Chloride → 2-Chromanecarbonyl chloride

Beteiligte Stoffe

Rolle	Name	HCID	Einwaage
Edukt	Thionyl Chloride	HCID 24386	—
Edukt	3,4-dihydro-2H-1-benzopyran-2-carboxylic acid	HCID 2723665	—
Produkt	2-Chromanecarbonyl chloride	HCID 2794583	98%

Reaktionsschritte

89.0 g (0.5 mol) chroman-2-carboxylic acid and 71.4 g (0.6 mol) thionyl chloride were heated to 80° for 4-5 hours (end of gas evolution). Destillation (77°-80°/0.1 torr) yielded 96.0 g (98%) chroman-2-carboxylic acid chloride

Herkunft & Nachweise

DOI	10.6084/m9.figshare.5104873.v1
Patentnummer	US05585392
Quelldatensatz	uspto-grants-1996_12
ORD ID	ord-48084b6daa9143d7ab9d40018a8d363c
Quellennotiz	uspto-grants-1996_12