2-Thiophenecarboxaldehyde → N-(2-Thienylmethyl)-β-alanine ethyl ester

2-Thiophene aldehyde (11.2 g) was dissolved in 100 mL of methanol, then 12.1 g of triethylamine and 16.1 g of ethyl 3-aminopropionate hydrochloride were added thereto in this order and the mixture was stirred overnight at room temperature. The reaction solution was cooled down to 0° C., 2.27 g of sodium borohydride was slowly added thereto little by little and the mixture was stirred at room temperature for 1 hour.

1. temperatureThe reaction solution was cooled down to 0° C.
2. stirringlittle by little and the mixture was stirred at room temperature for 1 hour

ORD-Eintrag

ord-bfd4f80a6bf3423fb385279c8056c432

Quelldatensatz

uspto-grants-2012_07

DOI

10.6084/m9.figshare.5104873.v1

Patentnummer

US08217031B2