249739-45-5

Upstream product

• 444119-37-3 (-)-(S)-1,13-bis[(4-methylphenyl)sulfonyl]-8-phenyl-1,5,9,13-tetraazacycloheptadecan-6-one 
• 249739-46-6 (+)-(S)-9-[(E)-3-(4-methoxyphenyl)prop-2-enoyl]-2-phenyl-1,5,9,14-tetraazabicyclo[12.3.1]octadecan-4-one 
• 216855-67-3 (+)-(2S)-2-phenyl-1,5,9,14-tetraazabicyclo[12.3.1]octadecan-4-one 
• 216855-63-9 (-)-(8S)-8-phenyl-1,5,9,13-tetraazacycloheptadecan-6-one 
• 249739-44-4 (-)-(S)-1-[(E)-3-(4-methoxyphenyl)prop-2-enoyl]-8-phenyl-1,5,9,13-tetraazacycloheptadecan-6-one 

Relevant academic research and scientific papers

Asymmetric syntheses of the macrocyclic spermine alkaloids (-)-(S)-protoverbine, (-)-(S)-buchnerine, and their naturally occurring congenial alkaloids

Asymmetric syntheses of the following 17-membered macrocyclic spermine alkaloids are presented: (-)-(S)-protoverbine (= (8S)-8-phenyl-1,5,9,13-tetraazacycloheptadecane-6-one: 1), (+)-(S)-protomethine (=(2S)-2-phenyl-1,5,9,14-tetraazabicyclo[12.3.1]octadec