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CAS 71989-33-8
Fmoc-O-tert-butyl-L-serine
Codes：Tirzepatide-001
Application context (from source-drug indications)
阻塞性睡眠呼吸暂停综合征替尔泊肽肥胖症替尔泊肽超重替尔泊肽二型糖尿病替尔泊肽
Source drugs (routes using this intermediate)
| Drug | Tier | Expiry |
|---|---|---|
| 替尔泊肽Tirzepatide | Tier B — Position early | 2036 |
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.
Fmoc-O-tert-butyl-L-serine→Resin bound O-tert-butyl-L-serinamide→Resin bound L-prolyl-O-tert-butyl-L-serinamide→Resin bound L-prolyl-L-prolyl-O-tert-butyl-L-serinamide→Resin bound O-tert-butyl-L-seryl-O-tert-butyl-L-serylglycyl-L-alanyl-L-prolyl-L-prolyl-L-prolyl-O-tert-butyl-L-serinamide→Resin bound L-prolyl-L-prolyl-L-prolyl-O-tert-butyl-L-serinamide→Resin bound L-alanyl-L-prolyl-L-prolyl-L-prolyl-O-tert-butyl-L-serinamide→Resin bound Gly-Pro-Pro-Pro-Ser(tBu)-NH→Resin bound O-tert-butyl-L-serylglycyl-L-alanyl-L-prolyl-L-prolyl-L-prolyl-O-tert-butyl-L-serinamide→Resin bound L-prolyl-O-tert-butyl-L-seryl-O-tert-butyl-L-serylglycyl-L-alanyl-L-prolyl-L-prolyl-L-prolyl-O-tert-butyl-L-serinamide→Resin bound glycyl-L-prolyl-O-tert-butyl-L-seryl-O-tert-butyl-L-serylglycyl-L-alanyl-L-prolyl-L-prolyl-L-prolyl-O-tert-butyl-L-serinamide→Resin bound N-[(2,4-dimethoxyphenyl)methyl]glycylglycyl-L-prolyl-O-tert-butyl-L-seryl-O-tert-butyl-L-serylglycyl-L-alanyl-L-prolyl-L-prolyl-L-prolyl-O-tert-butyl-L-serinamide→Resin bound L-alanyl-N-[(2,4-dimethoxyphenyl)methyl]glycylglycyl-L-prolyl-O-tert-butyl-L-seryl-O-tert-butyl-L-serylglycyl-L-alanyl-L-prolyl-L-prolyl-L-prolyl-O-tert-butyl-L-serinamide→Resin bound L-isoleucyl-L-alanyl-N-[(2,4-dimethoxyphenyl)methyl]glycylglycyl-L-prolyl-O-tert-butyl-L-seryl-O-tert-butyl-L-serylglycyl-L-alanyl-L-prolyl-L-prolyl-L-prolyl-O-tert-butyl-L-serinamide→Resin bound L-leucyl-L-isoleucyl-L-alanyl-N-[(2,4-dimethoxyphenyl)methyl]glycylglycyl-L-prolyl-O-tert-butyl-L-seryl-O-tert-butyl-L-serylglycyl-L-alanyl-L-prolyl-L-prolyl-L-prolyl-O-tert-butyl-L-serinamide→Resin bound 1-(tert-butoxycarbonyl)-L-tryptophyl-L-leucyl-L-isoleucyl-L-alanyl-N-[(2,4-dimethoxyphenyl)methyl]glycylglycyl-L-prolyl-O-tert-butyl-L-seryl-O-tert-butyl-L-serylglycyl-L-alanyl-L-prolyl-L-prolyl-L-prolyl-O-tert-butyl-L-serinamide→Resin bound N-(triphenylmethyl)-L-glutaminyl-1-(tert-butyloxycarbonyl)-L-tryptophyl-L-leucyl-L-isoleucyl-L-alanyl-N-[(2,4-dimethoxyphenyl)methyl]glycylglycyl-L-prolyl-3-O-tert-butyl-L-seryl-3-O-tert-butyl-L-serylglycyl-L-alanyl-L-prolyl-L-prolyl-L-prolyl-O-tert-butyl-L-serinamide→Resin bound L-valyl-N-(triphenylmethyl)-L-glutaminyl-1-(tert-butyloxycarbonyl)-L-tryptophyl-L-leucyl-L-isoleucyl-L-alanyl-N-[(2,4-dimethoxyphenyl)methyl]glycylglycyl-L-prolyl-3-O-tert-butyl-L-seryl-3-O-tert-butyl-L-serylglycyl-L-alanyl-L-prolyl-L-prolyl-L-prolyl-3-O-tert-butyl-L-serinamide
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 |
|---|---|---|---|---|---|
| 四川同晟生物医药有限公司 | Fmoc-Ser(tBu)-OH Pharmaceutical Intermediates | 询价 | 询价 | 询价 | — |
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