A Safe and Efficient Procedure to Prepare Alkyl and Alkoxyalkyl Chlorides and Dichlorides by Catalytic Decomposition of the Corresponding Alkyl and Alkoxyalkyl Chloroformates and Bischloroformates With Hexabutylguanidinium Chloride

Synthesis and molecular recognition of novel multiimidazole cyclophanes

“…Anhydrous DMF was purified according to the standard method. Biim [12], BiBim [13], and polyether dichlorides [14] were prepared according to literature procedure. Amino acid methyl ester hydrochloride used was prepared by adding dropwise SOCl 2 into a suspension of the free amino acid in absolute methanol at 0°C.…”