KR20210046730A - Wnt 헥사펩티드에 대한 용액상 경로 - Google Patents
Wnt 헥사펩티드에 대한 용액상 경로 Download PDFInfo
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- KR20210046730A KR20210046730A KR1020217008318A KR20217008318A KR20210046730A KR 20210046730 A KR20210046730 A KR 20210046730A KR 1020217008318 A KR1020217008318 A KR 1020217008318A KR 20217008318 A KR20217008318 A KR 20217008318A KR 20210046730 A KR20210046730 A KR 20210046730A
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Abstract
Description
도 2는 Foxy-5에 대한 SPPS 경로의 합성 계획을 보여준다.
도 3은 Key 트리펩티드 1 (KT-1), 즉 For-Met-Asp(OtBu)-Gly (도면 상단) 및 Key 트리펩티드 1* (KT-1*), 즉 Fmoc-Met-Asp(OtBu)-Gly의 화학 구조를 보여준다. 모든 광학 활성 아미노산 잔기는 L-배열로 있다. KT-1의 분자식은 C16H27N3O7S이고, 분자량은 405 g/mol (평균 질량)이다.
도 4는 Key 트리펩티드 2 (KT-2), Fmoc-Cys(Trt)Glu(OtBu)-Leu-OMe (상단) 및 Key 트리펩티드 2* (KT-2*), Fmoc-Cys(Trt)Glu(OtBu)-Leu-O-tert-Bu (하단)의 구조를 보여준다.
도 5는 산 불안정 보호기(acid-labile protection group) 전략에 기반한 Foxy-5 형성을 위한 2+2+2 전략을 보여준다.
도 6은 가수소분해성 보호기(hydrogenolytic protection group) 전략에 기반한 Foxy-5 형성을 위한 2+2+2 전략을 보여준다.
도 6 a는 염기 불안정 보호기(base-labile protection group) 전략에 기반한 Foxy-5 형성을 위한 2+2+2 전략을 보여준다.
도 7은 Key 트리펩티드 1 (KT-1)와 Key 트리펩티드 2 (KT-2)의 커플링 이후, 류신 메틸 에스터의 비누화 및 tert-부틸 및 트리틸 보호기의 탈보호에 기반한 Foxy-5 형성을 위한 3+3 전략을 보여준다.
도 7 a는 Key 트리펩티드 1* (KT-1*)와 Key 트리펩티드 2* (KT-2*)의 커플링 이후, DBU를 이용한 Fmoc의 탈보호, 포름산과의 커플링, tert-부틸 및 트리틸 보호기의 탈보호에 기반한 Foxy-5 형성을 위한 3+3 전략을 보여주어 원하는 Foxy-5를 제공한다.
도 8은 아미노산 Gly, Asp 및 포르밀-Met를 이용한 Key 트리펩티드 2 (KT-2)의 순차적인 신장에 기반한 Foxy-5 형성을 위한 3+1+1+1 전략을 보여준다.
도 8a는 아미노산 Fmoc-Gly, Fmoc-Asp-OtBu 및 Fmoc-Met를 이용한 Key 트리펩티드 2* (KT-2*)의 순차적인 신장에 기반한 Foxy-5 형성을 위한 3+1+1+1 전략을 보여준다. 생성된 헥사펩티드는 DBU를 이용한 Fmoc의 탈보호, 포름산과의 커플링 및 tert-부틸 및 트리틸 보호기의 탈보호를 거쳐 원하는 Foxy-5를 제공한다.
약자
Fmoc = 플루오레닐메틸옥시카르보닐(Fluorenylmethoxycarbonyl)
Boc = tert - 부틸옥시카보닐(tert - 부틸oxycarbonyl)
For = 포르밀(formyl)
Trt = 트리페닐 메틸 (트리틸) (Triphenyl 메틸 (Trityl))
Cbz = 카복시벤질(carboxybenzyl)
DCHA = 디사이클로헥실아민(dicyclohexylamine)
tBu = tert - 부틸(tert - Butly)
THF = 테트라하이드로퓨란(Tetrahydrofuran)
DMF = N, N-디메틸포름아마이드(N, N-Dimethylformamide)
TEA = 트리에틸아민(Triethylamine)
Bn = 벤질(Benzyl)
TFA = 트리플루오로아세트산(Trifluoroacetic acid)
TIS =트리이소프로필실란(Triisopropylsilane)
HOBt = 1 -하이드록시벤조트리아졸(Hydroxybenzotriazole)
HOSu = N-하이드록시숙신이미드(Hydroxysuccinimide)
DCM = 디클로로메탄(Dichloromethane)
HOAt = 1-하이드록시-7-아자벤조트리아졸(1-Hydroxy-7-azabenzotriazole)
EDAC, HCl = 1-에틸-3-(3'디메틸아미노프로필)카보디이미드, HCl (1-Ethyl-3-(3'-dimethylaminopropyl)carbodiimide, HCl)
DIPEA = 디이소프로필아민(Diisopropylamine)
DIPE = 디이소프로필에터(Diisopropylether)
DBU = 1,8-디아자바이사이클로[5.4.0]운데크-7엔(1,8-Diazabicyclo[5.4.0]undec-7-ene)
아미노산 약자:
Met = 메티오닌
Asp = 아스파라진
Gly = 글리신
Cys = 시스테인
Glu = 글루탐산
Leu = 류신
Foxy-5 = For-Met-Asp-Gly-Cys-Glu-Leu
Claims (11)
- a) PG 1 -Cys(PG 2 )Glu(OPG 3 )-Leu-OR 1
b) PG 5 -Met-Asp(OPG 4 )-Gly-OR 2
c) PG 1 -Gly-Cys(PG 2 )Glu(OPG 3 )-Leu-OR 1
로부터 선택되는 Foxy-5 (For-Met-Asp-Gly-Cys-Glu-Leu-OH)의 보호 펩티드 단편으로서,
PG1은 H 및 플루오레닐메틸옥시카르보닐 (Fmoc) 또는 Boc와 같은 보호기로부터 선택되고, PG2는 H 및 아세토니드 (슈도프롤린, ψMe,MePro), 트리틸 (Trt)로부터 선택되는 보호기로부터 선택되며, PG3는 H 및 tert-부틸 (tBu)로부터 선택되는 보호기로부터 선택되고, PG5는 포르밀기 또는 플루오레닐메틸옥시카르보닐 (Fmoc)와 같은 염기-민감성 보호기이며, PG4는 H 및 tert-부틸 (tBu)로부터 선택되는 보호기로부터 선택되고, 및 R1과 R2는 H 및 메틸, 에틸 또는 tert-부틸 (tBu)와 같은 C1-C6 알킬로부터 독립적으로 선택되는 것인 Foxy-5의 보호 펩티드 단편. - 제1항에 있어서, PG 1 -Cys(PG 2 )Glu(OPG 3 )-Leu-OR 1 인 것인 Foxy-5의 보호 트리펩티드 단편.
- 제1항에 있어서, PG 5 -Met-Asp(OPG 4 )-Gly-OR 2 인 것인 Foxy-5의 보호 트리펩티드 단편.
- 제1항에 있어서, PG 1 -Gly-Cys(PG 2 )Glu(OPG 3 )-Leu-OR 1 인 것인 Foxy-5의 보호 테트라펩티드 단편.
- 제1항 또는 제2항에 있어서, Fmoc-Cys(Trt)Glu(OtBu)-Leu-OtBu (Key 트리펩티드-2*, KT-2*)인 것인 Foxy-5의 보호 트리펩티드 단편.
- 제1항 또는 제3항에 있어서, Fmoc-Met-Asp(OtBu)-Gly (Key 트리펩티드-1*, KT-1*)인 것인 Foxy-5의 보호 트리펩티드 단편
- 제1항 또는 제4항에 있어서, Fmoc-Gly-Cys(PG 2 )Glu(OPG 3 )-Leu-OtBu인 것인 Foxy-5의 보호 테트라펩티드 단편.
- 제1항 내지 제7항 중 어느 하나의 항에 있어서, 고형인 것인 Foxy-5의 보호 펩티드 단편.
- 제8항에 있어서, 결정형인 것인 Foxy-5의 보호 펩티드 단편.
- Foxy-5의 보호 유도체인 PG 5 -Met-Asp(OtBu)-Gly-Cys(Trt)-Glu(OtBu)-Leu-OtBu를 제조하기 위한 용액상 방법으로서, 상기 방법은:
a. 디펩티드 Fmoc-Glu-(OtBu)-Leu-OtBu (KD-3c)를 Fmoc-Gly-Cys(Trt)-OH (KD-2c)와 커플링하여 테트라펩티드 Fmoc-Gly-Cys(Trt)-Glu(OtBu)-Leu-OtBu (SEQ_ID NO 6)를 수득하고, 이어서 PG 5 -Met-Asp(OtBu)-OH와 커플링하는 단계, 또는
b. 트리펩티드 PG 5 -Met-Asp(OtBu)-Gly-OH를 Fmoc-Cys(Trt)-Glu(OtBu)-Leu-OtBu (KT-2*)와 커플링하는 단계, 또는
c. 트리펩티드 Fmoc-Cys(Trt)Glu(OtBu)-Leu-OtBu (KT-2*)를 Fmoc-Gly-OH, Fmoc-Asp-OtBu 및 PG 5 -Met와 순차적으로 커플링하는 단계, 또는
d. 테트라펩티드 Fmoc-Gly-Cys(Trt)-Glu(OtBu)-Leu-OtBu (SEQ_ID NO 6)를 Fmoc-Asp-OtBu 및 PG 5 -Met와 순차적으로 커플링하는 단계
선택적으로 컬럼 크로마토그래피에 의해 조 헥사펩티드를 정제한 다음, 유기 용매로부터 고체로서 침전시키는 단계를 포함하고, 여기서 PG 5 는 포르밀기 또는 Fmoc와 같은 염기 민감성 보호기인 것인 용액상 방법. - PG 5 -Met-Asp(OtBu)-Gly-Cys(Trt)-Glu(OtBu)-Leu-OtBu를 Foxy-5 (For-Met-Asp-Gly-Cys-Glu-Leu-OH)로 전환하기 위한 용액상 방법으로서, 상기 방법은:
PG 5 = 포르밀인 경우:
i. For-Met-Asp(OtBu)-Gly-Cys(Trt)-Glu(OtBu)-Leu-OtBu (SEQ_NO 15)의 탈보호로 조 형태의 Foxy-5를 수득하는 단계,
또는 PG 5 = Fmoc와 같은 염기 민감성 보호기인 경우:
ii. 헥사펩티드 PG 6 -Met-Asp(OtBu)-Gly-Cys(Trt)-Glu(OtBu)-Leu-OtBu로부터 PG 5 를 제거한 다음, 포름산과 커플링하여 For-Met-Asp(OtBu)-Gly-Cys(Trt)-Glu(OtBu)-Leu-OtBu (SEQ_NO 15)를 수득하는 단계,
iii. For-Met-Asp(OtBu)-Gly-Cys(Trt)-Glu(OtBu)-Leu-OtBu (SEQ_NO 15)의 탈보호로 조 형태의 Foxy-5를 수득하는 단계,
이어서:
a. 선택적으로 컬럼 크로마토그래피에 의해 조 생성물을 정제한 뒤, 선택적으로 유기 용매로부터 고체로서 침전시키는 단계,
b. 선택적으로 결정형과 같은 고형의 알칼리 또는 산성 염으로서 형성된 Foxy-5 헥사펩티드를 침전시키는 단계
를 포함하는 것인 용액상 방법.
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EP18189699.4 | 2018-08-20 | ||
EP18189699.4A EP3613757A1 (en) | 2018-08-20 | 2018-08-20 | Solution phase routes for wnt hexapeptides |
PCT/EP2019/072122 WO2020038878A1 (en) | 2018-08-20 | 2019-08-19 | Solution phase routes for wnt hexapeptides |
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US5086042A (en) | 1985-12-19 | 1992-02-04 | Fisons Corporation | Peptides with sulfate ester groups |
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