Assertion: threonine | /r/CapableOf | comprise reacting said compound
Facets:
value: with a cyclizing agent
type: OTHER
value: in an anhydrous medium
type: OTHER
Source sentences:
text: The process of converting an alkyl ester of N-benzoyl dl-allothreonine to threonine which comprises reacting said compound in an anhydrous medium with a cyclizing and dehydrating agent selected from the group which consists of phosphorus pentachloride, phosphorus trichloride, phosphorus pentoxide and thionyl chloride to form 2-phenyl-5-methyl-4-carboalkooy-oxazoline hydrochloride and then heating said oxazoline hydrochloride with a hydrolyzing agent to form threonine.
text: The process of converting an alkyl ester of N-acetyl dl-allothreonine to threonine which comprises reacting said compound in an anhydrous medium with a cyclizing agent selected from the group which consists of phosphorus pentachloride, phosphorus trichloride, phosphorus pentoxide and thionyl chloride to form 2-methyl5-methyl-carboalkoxy oxazoline hydrochloride and then heating said oxazoline hydrochloride with a hydrolyzing agent to form threonine.
text: The process of converting an ethyl ester of N-acetyl dl-allothreonine to threonine which comprises reacting said compound in an anhydrous medium with a cyclizing agent selected from the group which consists of phosphorus pentachloride, phosphorus trichloride, phosphorus pentoxide and thionyl chloride to form 2methyl-5-methyl-4-carboethoxy oxazoline hydrochloride and then refluxing said oxazoline hydrochloride with a hydrolyzing agent to form threonine.