221525-89-9

Upstream product

• 221525-81-1 (S)-6-Benzyloxycarbonylamino-2-({(2S,3S)-1-[(S)-2-(4-tert-butoxycarbonylamino-butylamino)-3-phenyl-propionyl]-3-phenyl-pyrrolidine-2-carbonyl}-amino)-hexanoic acid methyl ester 
• 68076-36-8 1-amino-4-[(tert-butyloxycarbonyl)amino]butane 
• 24498-31-5 (S)-methyl 2-amino-6-(benzyloxycarbonylamino)hexanoate 
• 42990-55-6 (S)-(alpha)-bromobenzenepropanoic acid 
• 118758-49-9 (2S,3S)-3-phenyl-pyrrolidine-2-carboxylic acid 
• 221525-73-1 (S)-2-(4-tert-Butoxycarbonylamino-butylamino)-3-phenyl-propionic acid 
• 462124-94-3 (2S,3S)-1-(tert-butoxycarbonyl)-3-phenylpyrrolidine-2-carboxylic acid 
• 221525-69-5 (S)-6-Benzyloxycarbonylamino-2-[((2S,3S)-3-phenyl-pyrrolidine-2-carbonyl)-amino]-hexanoic acid methyl ester 
• 221525-65-1 (2S,3S)-2-((S)-5-Benzyloxycarbonylamino-1-methoxycarbonyl-pentylcarbamoyl)-3-phenyl-pyrrolidine-1-carboxylic acid tert-butyl ester 

Downstream Products

• 221526-02-9 [4-((1S,5S,13S,15aS)-5-Benzyl-4,12,15-trioxo-1-phenyl-hexadecahydro-3a,6,11,14-tetraaza-cyclopentacyclotetradecen-13-yl)-butyl]-carbamic acid benzyl ester 

Relevant academic research and scientific papers

A convenient synthetic route to macrocyclic cis-3-phenylproline derivatives as mimics of Sandostatin

Enantiomerically pure 14- and 20-membered cyclic proline derivatives 2a- d were conveniently prepared from cis-3-phenylproline using macrolactonisation or macrolactamisation reactions.