← Back to patent-cliff list
CAS 178860-12-3
(4R)-4-(Acetyloxy)-1-[[(9H-fluoren-9-yl)methoxy]carbonyl]-L-proline
Codes: ANID-036, (XVI)796686-1-b
Application context (from source-drug indications)
CandidiasisAnidulafunginCandidaemiaAnidulafunginFungal infectionAnidulafunginPeritonitisAnidulafunginAbscessAnidulafunginRespiratory tract infectionAnidulafungin侵袭性念珠菌病Rezafungin acetateCandidiasisRezafungin acetateCandidaemiaRezafungin acetate卡氏肺囊虫感染Rezafungin acetate侵袭性真菌感染Rezafungin acetateAspergillus infectionRezafungin acetate
Source drugs (routes using this intermediate)
| Drug | Tier | Expiry |
|---|---|---|
| Anidulafungin | Tier C — Watch / trade | - |
| Rezafungin acetate | Tier C — Watch / trade | - |
Position in synthesis routes (up/downstream chain)
Ordered by route registration; left → right is the synthesis direction. The highlighted node is the current CAS; others link to their own profiles.
Resin bound N5-[O-acetyl-N-[[(9H-fluoren-9-yl)oxy]carbonyl]-L-threonyl-(3S,4S)-3-(acetyloxy)-4-methyl-L-prolyl]-(4R,5R)-4,5-bis(acetyloxy)-N2-(tert-butoxycarbonyl)-L-ornithine→(4S)-O-Acetyl-4-(acetyloxy)-4-[4-(acetyloxy)phenyl]-N-[[(9H-fluoren-9-yl)oxy]carbonyl]-L-threonine→Resin bound N5-[O-acetyl-N-[[(9H-fluoren-9-yl)methoxy]carbonyl]-L-threonyl-(4R)-4-(acetyloxy)-L-prolyl-(4S)-O-acetyl-4-(acetyloxy)-4-[4-(acetyloxy)phenyl]-L-threonyl-O-acetyl-L-threonyl-(3S,4S)-3-(acetyloxy)-4-methyl-L-prolyl]-(4R,5R)-4,5-bis(acetyloxy)-N2-(tert-butoxycarbonyl)-L-ornithine→Resin bound N5-[(4S)-O-acetyl-4-(acetyloxy)-4-[4-(acetyloxy)phenyl]-N-[[(9H-fluoren-9-yl)oxy]carbonyl]-L-threonyl-O-acetyl-L-threonyl-(3S,4S)-3-(acetyloxy)-4-methyl-L-prolyl]-(4R,5R)-4,5-bis(acetyloxy)-N2-(tert-butoxycarbonyl)-L-ornithine→(4R)-4-(Acetyloxy)-1-[[(9H-fluoren-9-yl)methoxy]carbonyl]-L-proline→Resin bound N5-[(4R)-4-(acetyloxy)-1-[[(9H-fluoren-9-yl)methoxy]carbonyl]-L-prolyl-(4S)-O-acetyl-4-(acetyloxy)-4-[4-(acetyloxy)phenyl]-L-threonyl-O-acetyl-L-threonyl-(3S,4S)-3-(acetyloxy)-4-methyl-L-prolyl]-(4R,5R)-4,5-bis(acetyloxy)-N2-(tert-butoxycarbonyl)-L-ornithine→O-Acetyl-N-[[(9H-fluoren-9-yl)methoxy]carbonyl]-L-threonine→N5-[O-Acetyl-L-threonyl-(4R)-4-(acetyloxy)-L-prolyl-(4S)-O-acetyl-4-(acetyloxy)-4-[4-(acetyloxy)phenyl]-L-threonyl-O-acetyl-L-threonyl-(3S,4S)-3-(acetyloxy)-4-methyl-L-prolyl]-(4R,5R)-4,5-bis(acetyloxy)-N2-(tert-butoxycarbonyl)-L-ornithine→(2R,6S,9S,11R,12R,14aS,15S,16S,20S,23S,25aS)-6,20-Bis[(1R)-1-(acetyloxy)ethyl]-9-amino-23-[(1S,2S)-1,2-bis(acetyloxy)-2-[4-(acetyloxy)phenyl]ethyl]-16-methyl-5,8,14,19,22,25-hexaoxotetracosahydro-1H-dipyrrolo[2,1-c:2',1'-l][1,4,7,10,13,16]hexaazacyclohenicosine-2,11,12,15-tetrayl tetraacetate
Resin bound N5-[O-acetyl-N-[[(9H-fluoren-9-yl)oxy]carbonyl]-L-threonyl-(3S,4S)-3-(acetyloxy)-4-methyl-L-prolyl]-(4R,5R)-4,5-bis(acetyloxy)-N2-(tert-butoxycarbonyl)-L-ornithine→(4S)-O-Acetyl-4-(acetyloxy)-4-[4-(acetyloxy)phenyl]-N-[[(9H-fluoren-9-yl)oxy]carbonyl]-L-threonine→Resin bound N5-[O-acetyl-N-[[(9H-fluoren-9-yl)methoxy]carbonyl]-L-threonyl-(4R)-4-(acetyloxy)-L-prolyl-(4S)-O-acetyl-4-(acetyloxy)-4-[4-(acetyloxy)phenyl]-L-threonyl-O-acetyl-L-threonyl-(3S,4S)-3-(acetyloxy)-4-methyl-L-prolyl]-(4R,5R)-4,5-bis(acetyloxy)-N2-(tert-butoxycarbonyl)-L-ornithine→Resin bound N5-[(4S)-O-acetyl-4-(acetyloxy)-4-[4-(acetyloxy)phenyl]-N-[[(9H-fluoren-9-yl)oxy]carbonyl]-L-threonyl-O-acetyl-L-threonyl-(3S,4S)-3-(acetyloxy)-4-methyl-L-prolyl]-(4R,5R)-4,5-bis(acetyloxy)-N2-(tert-butoxycarbonyl)-L-ornithine→(4R)-4-(Acetyloxy)-1-[[(9H-fluoren-9-yl)methoxy]carbonyl]-L-proline→Resin bound N5-[(4R)-4-(acetyloxy)-1-[[(9H-fluoren-9-yl)methoxy]carbonyl]-L-prolyl-(4S)-O-acetyl-4-(acetyloxy)-4-[4-(acetyloxy)phenyl]-L-threonyl-O-acetyl-L-threonyl-(3S,4S)-3-(acetyloxy)-4-methyl-L-prolyl]-(4R,5R)-4,5-bis(acetyloxy)-N2-(tert-butoxycarbonyl)-L-ornithine→O-Acetyl-N-[[(9H-fluoren-9-yl)methoxy]carbonyl]-L-threonine→N5-[O-Acetyl-L-threonyl-(4R)-4-(acetyloxy)-L-prolyl-(4S)-O-acetyl-4-(acetyloxy)-4-[4-(acetyloxy)phenyl]-L-threonyl-O-acetyl-L-threonyl-(3S,4S)-3-(acetyloxy)-4-methyl-L-prolyl]-(4R,5R)-4,5-bis(acetyloxy)-N2-(tert-butoxycarbonyl)-L-ornithine→(2R,6S,9S,11R,12R,14aS,15S,16S,20S,23S,25aS)-6,20-Bis[(1R)-1-(acetyloxy)ethyl]-9-amino-23-[(1S,2S)-1,2-bis(acetyloxy)-2-[4-(acetyloxy)phenyl]ethyl]-16-methyl-5,8,14,19,22,25-hexaoxotetracosahydro-1H-dipyrrolo[2,1-c:2',1'-l][1,4,7,10,13,16]hexaazacyclohenicosine-2,11,12,15-tetrayl tetraacetate
Intermediates available on this site
Side-by-side comparison of all listed offers on this CAS; price bands are list-price ranges, final price subject to RFQ confirmation.
| Supplier | Product | Price band | MOQ | Lead time | Qualifications | Action |
|---|---|---|---|---|---|---|
| Qualified Partner — East China API Works | 4-(4'-Pentoxy-4-biphenylyl)benzoic acid Pharmaceutical Intermediates | On request | On request | On request | — | |
| Unibest Nantong cGMP Site | 1-(Diphenylmethyl)-3-hydroxyazetidine Pharmaceutical Intermediates | On request | On request | On request | — |
This is a CAS-level registry record: registrations across routes are merged. Supplier offers and buyer demands will be matched on this CAS as the primary key.