Diethyl chlorophosphate → (1S,5S)-{1-[5-[(4-amino-3-fluoro-benzenesulfonyl)-isobutyl-amino]-6-(diethoxy-phosphoryloxy)-hexylcarbamoyl]-2,2-diphenyl-ethyl}-carbamic acid methyl ester

Participants

Role	Name	HCID	Charge
Reactant	Diethyl chlorophosphate	HCID 13139	—
Reactant	(1-{5-[(4-Amino-3-fluoro-benzenesulfonyl)-isobutyl-amino]-6-hydroxy-hexylcarbamoyl}-2,2-diphenyl-ethyl)-carbamic acid methyl ester	HCID 24815407	—
Product	(1S,5S)-{1-[5-[(4-amino-3-fluoro-benzenesulfonyl)-isobutyl-amino]-6-(diethoxy-phosphoryloxy)-hexylcarbamoyl]-2,2-diphenyl-ethyl}-carbamic acid methyl ester	HCID 66791048	—

The product of step A was phosphorylated with chlorodiethylphosphate following the procedure described in example 1A, step G. Yields 157 mg, 68%.