CAS#71989-28-1 Fmoc-L-Met-OH which is coded as 35601 is a catalogue compound synthesized/supplied by GL Biochem. Its specifications & structural Indications are as follows. This material is intended for the R&D and industrial production
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inquiryUnique advantages Guaranteed purity High quality & competitive price Quality control Fast feedback Prompt shipment Appearance:White powder Storage:cool dry place Package:1kg/foil bag;25kg/drum Application:pharmaceutical intermediate Transpo
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inquiryhigh purity Appearance:White to white powder Storage:cold storage Package:meet the demand of customer Application:Biomedical reagents Transportation:by sea or by air Port:shanghai
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inquiryName:FMOC-L-Methionine CAS NO:71989-28-1 Grade:Medical scientific research and export Molecular formula:C20H21NO4S Molecular weight:371.45 Product Quality 12 years of chemical raw materials Mature operation of the industry System stability
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inquiryProduct Name Fmoc-Met-OH CAS No. 71989-28-1 Synonyms FMOC-L-Methionine Purity 98.0% min Molecular Formula C20H21NO4S Molecular Weight 371.5 Appearance: white powder Stor
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inquiryEINECS No.:204-879-3 Place of Origin:Shaanxi, China (Mainland) Type:Anesthetic Agents, Anti-Allergic Agents, Antibiotic and Antimicrobial Agents, Antineoplastic Agents, Central Nervous System Agents Grade Standard:Cosmetic Grade, Feed Grade,
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inquiryFMOC-L-Methionine CAS:71989-28-1 Qingdao Belugas Import and Export Co., Ltd. is a scientific and technological company integrating research and development, production and trade of chemical intermediates, specializing in high quality organic interme
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FMOC-L-Methionine 71989-28-1 FMOC-L-Methionine Basic information Product Name: FMOC-L-Methionine Synonyms: N-ALPHA-FMOC-L-METHIONINE;N-(9-FLUORENYLMETHOXYCARBONYL)-L-METHIONINE;N-[(9H-
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inquiryProduct name: FMOC-L-Met-OH CAS No.:71989-28-1 Molecule Formula:C20H20NO4S Molecule Weight:370.44 Purity: 99.0% Package: 25kg/drum Description:White to off-white powder Manufacture Standards:Enterprise Standard TES
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2-(9H-fluoren-9-ylmethoxycarbonylamino)-4-methylsulfanyl-butyric acid methyl ester
N-[(9H-fluoren-9-ylmethoxy)carbonyl]-L-methionine
Conditions | Yield |
---|---|
With aluminium trichloride; N,N-dimethyl-aniline In dichloromethane | 98% |
L-methionine
(9-fluorenyl)methyl pentafluorophenyl carbonate
N-[(9H-fluoren-9-ylmethoxy)carbonyl]-L-methionine
Conditions | Yield |
---|---|
With sodium hydrogencarbonate In water; acetone Ambient temperature; | 84% |
L-methionine
1-[(9-fluorenylmethyloxycarbonyl)]benzotriazole
N-[(9H-fluoren-9-ylmethoxy)carbonyl]-L-methionine
Conditions | Yield |
---|---|
With triethylamine In water; acetonitrile at 20℃; for 2h; | 84% |
L-methionine
N-[(9H-fluoren-9-ylmethoxy)carbonyl]-L-methionine
Conditions | Yield |
---|---|
With triethylamine In water Ambient temperature; | 80% |
L-methionine
(fluorenylmethoxy)carbonyl chloride
N-[(9H-fluoren-9-ylmethoxy)carbonyl]-L-methionine
Conditions | Yield |
---|---|
Stage #1: L-methionine With chloro-trimethyl-silane In dichloromethane for 1h; Inert atmosphere; Reflux; Stage #2: (fluorenylmethoxy)carbonyl chloride With N-ethyl-N,N-diisopropylamine In dichloromethane at 5 - 20℃; for 1.5h; | 80% |
In acetonitrile at 20℃; for 0.25h; pH=9.2; aq. borate buffer; | |
Stage #1: L-methionine With sodium carbonate In 1,4-dioxane; water Cooling with ice; Stage #2: (fluorenylmethoxy)carbonyl chloride In 1,4-dioxane; water at 20℃; for 5h; |
L-methionine
N-(9H-fluoren-2-ylmethoxycarbonyloxy)succinimide
N-[(9H-fluoren-9-ylmethoxy)carbonyl]-L-methionine
Conditions | Yield |
---|---|
With sodium hydrogencarbonate In N,N-dimethyl-formamide at 50℃; | 78% |
Stage #1: L-methionine With N-cyclohexyl-cyclohexanamine In acetone at 20℃; Stage #2: N-(9H-fluoren-2-ylmethoxycarbonyloxy)succinimide With sodium carbonate In water; acetonitrile at 0 - 20℃; pH=8; Stage #3: With potassium hydrogensulfate In water; acetonitrile pH=2 - 3; | 61% |
With sodium hydrogencarbonate In water; N,N-dimethyl-formamide at 0 - 20℃; for 2h; |
N-[(9H-fluoren-9-ylmethoxy)carbonyl]-L-methionine
Conditions | Yield |
---|---|
With methanol In dichloromethane for 0.5h; Ambient temperature; Yield given; |
N-[(9H-fluoren-9-ylmethoxy)carbonyl]-L-methionine
Conditions | Yield |
---|---|
With magnesium; acetic acid In methanol; N,N-dimethyl-formamide at 20℃; for 75h; |
L-methionine
N-[(9H-fluoren-9-ylmethoxy)carbonyl]-L-methionine
Conditions | Yield |
---|---|
Multi-step reaction with 3 steps 1: CH2Cl2 / 1 h / Heating 2: CH2Cl2 / 72 h / Ambient temperature 3: MeOH / CH2Cl2 / 0.5 h / Ambient temperature View Scheme |
O-(Trimethylsilyl)methionine
N-[(9H-fluoren-9-ylmethoxy)carbonyl]-L-methionine
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: CH2Cl2 / 72 h / Ambient temperature 2: MeOH / CH2Cl2 / 0.5 h / Ambient temperature View Scheme |
(fluorenylmethoxy)carbonyl chloride
N-[(9H-fluoren-9-ylmethoxy)carbonyl]-L-methionine
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: triethylamine / dichloromethane / 2 h / 10 °C 2: triethylamine / water; acetonitrile / 2 h / 20 °C View Scheme |
picolyl N-Fmoc-L-methioninate
N-[(9H-fluoren-9-ylmethoxy)carbonyl]-L-methionine
Conditions | Yield |
---|---|
With magnesium In methanol at 20℃; for 4h; |
(fluorenylmethoxy)carbonyl chloride
A
N-[(9H-fluoren-9-ylmethoxy)carbonyl]-L-methionine
B
Nα-fluorenyl-9-methoxycarbonyl-D-Met
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1.1: sodium carbonate / water; 1,4-dioxane / Cooling with ice 1.2: 5 h / 20 °C 2.1: trifluoroacetic acid / isopropyl alcohol; hexane / 25 °C / Resolution of racemate View Scheme |
N-Fmoc-methionine
A
N-[(9H-fluoren-9-ylmethoxy)carbonyl]-L-methionine
B
Nα-fluorenyl-9-methoxycarbonyl-D-Met
Conditions | Yield |
---|---|
With trifluoroacetic acid In hexane; isopropyl alcohol at 25℃; Reagent/catalyst; Resolution of racemate; | |
With chiral column based on 3,5-dimethylphenylcarbamoylated β-cyclodextrin combining cinchona alkaloid immobilized on silica gel In methanol; formic acid; triethylamine; acetonitrile at 25℃; Reagent/catalyst; Resolution of racemate; enantioselective reaction; |
DL-methionine
A
N-[(9H-fluoren-9-ylmethoxy)carbonyl]-L-methionine
B
Nα-fluorenyl-9-methoxycarbonyl-D-Met
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1.1: sodium carbonate / water; 1,4-dioxane / Cooling with ice 1.2: 5 h / 20 °C 2.1: trifluoroacetic acid / isopropyl alcohol; hexane / 25 °C / Resolution of racemate View Scheme |
N-[(9H-fluoren-9-ylmethoxy)carbonyl]-L-methionine
Conditions | Yield |
---|---|
Stage #1: mono-oxidized L-methionine With chloro-trimethyl-silane In N,N-dimethyl-formamide at 20℃; Pummerer Sulfoxide Rearrangement; Stage #2: With 1,3-dihydro-imidazole-2-thione In N,N-dimethyl-formamide at 20℃; Solvent; Reagent/catalyst; Pummerer Sulfoxide Rearrangement; | 90 %Chromat. |
1,3-dihydro-imidazole-2-thione
C
N-[(9H-fluoren-9-ylmethoxy)carbonyl]-L-methionine
Conditions | Yield |
---|---|
Stage #1: mono-oxidized L-methionine With chloro-trimethyl-silane In ethyl acetate at 20℃; Pummerer Sulfoxide Rearrangement; Stage #2: 1,3-dihydro-imidazole-2-thione In ethyl acetate at 20℃; Solvent; Reagent/catalyst; Pummerer Sulfoxide Rearrangement; | A n/a B n/a C 8 %Chromat. |
N-[(9H-fluoren-9-ylmethoxy)carbonyl]-L-methionine
(9H-fluoren-9-yl)methyl (S)-(1-amino-4-(methylthio)-1-oxobutan-2-yl)carbamate
Conditions | Yield |
---|---|
Stage #1: N-[(9H-fluoren-9-ylmethoxy)carbonyl]-L-methionine With chloroformic acid ethyl ester; triethylamine In tetrahydrofuran at 0℃; for 0.5h; Stage #2: With ammonium chloride In tetrahydrofuran; water at 0℃; for 0.5h; | 100% |
With pyridine; di-tert-butyl dicarbonate; ammonium bicarbonate In 1,4-dioxane; N,N-dimethyl-formamide at 20℃; for 48h; Inert atmosphere; | 91% |
With ammonium bicarbonate; N-ethoxycarbonyl-2-ethoxy-1,2-dihydroquinoline In acetonitrile at 20℃; for 15h; | 86% |
Fmoc-Leu-OH
Fmoc-Pro-OH
N-[(9H-fluoren-9-ylmethoxy)carbonyl]-L-methionine
trifluoroacetic acid
Conditions | Yield |
---|---|
Multistep reaction.; | 100% |
N-Cbz-L-Phe
N-[(9H-fluoren-9-ylmethoxy)carbonyl]-L-alanine
O-benzyl-N-Fmoc-L-serine
Fmoc-Pro-OH
Fmoc-Ser(tBu)-OH
N-[(9H-fluoren-9-ylmethoxy)carbonyl]-L-methionine
Nα-FMOC-Nω-L-tosylarginine
N-(((9H-fluoren-9-yl)methoxy)carbonyl)-O-(tert-butyldimethylsilyl)-L-threonine
N-alpha-(9-fluorenylmethyloxycarbonyl)-L-aspartic acid beta-allyl ester
Z-Phe-Ala-Thr(TBS)-Met-Arg(Tos)-Tyr(Pen)-Pro-Ser(tBu)-Asp(OAll)-Ser(Bzl)-Asp(OtBu)-OH
Conditions | Yield |
---|---|
Stage #1: C42H37ClNO6Pol With morpholine Automated synthesizer; solid phase reaction; Stage #2: O-benzyl-N-Fmoc-L-serine With O‑(6‑chlorobezotriazol‑1‑yl)‑N,N,N,N‑tetramethyluronium hexafluorophosphate; N-ethyl-N,N-diisopropylamine; 6-chloro-1-hydroxybenzotriazole In 1-methyl-pyrrolidin-2-one Automated synthesizer; solid phase reaction; Stage #3: C29H31NO5; N-Cbz-L-Phe; N-[(9H-fluoren-9-ylmethoxy)carbonyl]-L-alanine; Fmoc-Pro-OH; Fmoc-Ser(tBu)-OH; N-[(9H-fluoren-9-ylmethoxy)carbonyl]-L-methionine; Nα-FMOC-Nω-L-tosylarginine; N-(((9H-fluoren-9-yl)methoxy)carbonyl)-O-(tert-butyldimethylsilyl)-L-threonine; N-alpha-(9-fluorenylmethyloxycarbonyl)-L-aspartic acid beta-allyl ester Further stages; | 100% |
N-(fluoren-9-ylmethoxycarbonyl)glycine
N-Fmoc L-Phe
Fmoc-Glu(OtBu)-OH
N-[(9H-fluoren-9-ylmethoxy)carbonyl]-L-methionine
Conditions | Yield |
---|---|
Stage #1: N-[(9H-fluoren-9-ylmethoxy)carbonyl]-L-methionine With N-ethyl-N,N-diisopropylamine In methanol; dichloromethane; N,N-dimethyl-formamide for 1.33333h; Inert atmosphere; Stage #2: With piperidine In N,N-dimethyl-formamide for 0.333333h; Inert atmosphere; Stage #3: N-(fluoren-9-ylmethoxycarbonyl)glycine; N-Fmoc L-Phe; Fmoc-Glu(OtBu)-OH; N-[(9H-fluoren-9-ylmethoxy)carbonyl]-L-methionine Further stages; | 99% |
N-Fmoc L-Phe
N-[(9H-fluoren-9-ylmethoxy)carbonyl]-L-methionine
Conditions | Yield |
---|---|
Stage #1: N-[(9H-fluoren-9-ylmethoxy)carbonyl]-L-methionine With N-ethyl-N,N-diisopropylamine In methanol; dichloromethane; N,N-dimethyl-formamide for 1.33333h; Inert atmosphere; Stage #2: With piperidine In N,N-dimethyl-formamide for 0.333333h; Inert atmosphere; Stage #3: N-Fmoc L-Phe; N-[(9H-fluoren-9-ylmethoxy)carbonyl]-L-methionine Further stages; | 99% |
Stage #1: N-[(9H-fluoren-9-ylmethoxy)carbonyl]-L-methionine With N-ethyl-N,N-diisopropylamine In dichloromethane for 1.08333h; Inert atmosphere; Stage #2: With piperidine In N,N-dimethyl-formamide for 0.166667h; Inert atmosphere; Stage #3: N-Fmoc L-Phe; N-[(9H-fluoren-9-ylmethoxy)carbonyl]-L-methionine Further stages; | 99% |
N-(fluoren-9-ylmethoxycarbonyl)glycine
N-Fmoc L-Phe
N-[(9H-fluoren-9-ylmethoxy)carbonyl]-L-methionine
Nα-(9-fluorenylmethoxycarbonyl)-L-glutamic acid α-allyl ester
Conditions | Yield |
---|---|
Stage #1: Nα-(9-fluorenylmethoxycarbonyl)-L-glutamic acid α-allyl ester With N-ethyl-N,N-diisopropylamine In dichloromethane for 0.916667h; Stage #2: With piperidine In N,N-dimethyl-formamide for 0.333333h; Stage #3: N-(fluoren-9-ylmethoxycarbonyl)glycine; N-Fmoc L-Phe; N-[(9H-fluoren-9-ylmethoxy)carbonyl]-L-methionine Further stages; | 99% |
N-[(9H-fluoren-9-ylmethoxy)carbonyl]-L-methionine
1-methyl-1-phenylethyl 2,2,2-trichloroacetimidoate
Conditions | Yield |
---|---|
In dichloromethane | 98% |
In dichloromethane at 20℃; for 16h; | 95% |
N-(2,2-diethoxyethyl)-3-methylbutan-1-amine
N-[(9H-fluoren-9-ylmethoxy)carbonyl]-L-methionine
Conditions | Yield |
---|---|
With N-ethyl-N,N-diisopropylamine; HATU In dichloromethane at 20℃; Cooling with ice; | 98% |
N-[(9H-fluoren-9-ylmethoxy)carbonyl]-L-methionine
3-hydroxy-3,4-dihydrobenzotriazine-4-one
Fmoc-Met-ODhbt
Conditions | Yield |
---|---|
With dicyclohexyl-carbodiimide In tetrahydrofuran at -15 - 4℃; | 95% |
With thionyl chloride In dichloromethane Heating; | 92% |
tert-Butyl 2,2,2-trichloroacetimidate
N-[(9H-fluoren-9-ylmethoxy)carbonyl]-L-methionine
Conditions | Yield |
---|---|
In dichloromethane Heating; | 95% |
(4-iodomethylphenoxy)acetic acid 2-oxo-2-phenylethyl ester
N-[(9H-fluoren-9-ylmethoxy)carbonyl]-L-methionine
4-(Fmoc-methionyloxymethyl)phenoxyacetic acid 2-phenacyl ester
Conditions | Yield |
---|---|
With N-ethyl-N,N-diisopropylamine at 0℃; | 95% |
N-[(9H-fluoren-9-ylmethoxy)carbonyl]-L-methionine
L-methionine
Conditions | Yield |
---|---|
With sodium azide In N,N-dimethyl-formamide at 50℃; for 16h; | 95% |
formaldehyd
N-[(9H-fluoren-9-ylmethoxy)carbonyl]-L-methionine
(4S)-3-(9-fluorenylmethyloxycarbonyl)-4-<2-(methylthio)ethyl>-5-oxooxazolidine
Conditions | Yield |
---|---|
With toluene-4-sulfonic acid In toluene for 2h; Reflux; | 94% |
With toluene-4-sulfonic acid In toluene for 0.5h; Heating; | 88% |
N-[(9H-fluoren-9-ylmethoxy)carbonyl]-L-methionine
α-bromoacetophenone
Conditions | Yield |
---|---|
With triethylamine In ethyl acetate; N,N-dimethyl-formamide at 0℃; for 18h; | 94% |
N-[(9H-fluoren-9-ylmethoxy)carbonyl]-L-methionine
Conditions | Yield |
---|---|
Stage #1: N-[(9H-fluoren-9-ylmethoxy)carbonyl]-L-methionine With 1-hydroxy-pyrrolidine-2,5-dione; dicyclohexyl-carbodiimide In dichloromethane at 0℃; for 1h; Inert atmosphere; Stage #2: (E)-1α,25-dihydroxy-2-(1′-amino-3′,6′,9′-trioxadodecan-12′-ylidene)-19-norvitamin D3 In dichloromethane Inert atmosphere; | 94% |
2,3,4,5,6-pentafluorophenol
N-[(9H-fluoren-9-ylmethoxy)carbonyl]-L-methionine
N-α-Fmoc-L-methionine pentafluorophenyl ester
Conditions | Yield |
---|---|
With dicyclohexyl-carbodiimide In ethyl acetate 0 deg C, 1 h; r.t., 1 h; | 93% |
With dicyclohexyl-carbodiimide In ethyl acetate at 0℃; for 2h; Yield given; |
N-[(9H-fluoren-9-ylmethoxy)carbonyl]-L-methionine
pentafluorophenyl 4-nitrobenzenesulfonate
N-α-Fmoc-L-methionine pentafluorophenyl ester
Conditions | Yield |
---|---|
With benzotriazol-1-ol; N-ethyl-N,N-diisopropylamine In N,N-dimethyl-formamide at 20℃; Esterification; | 93% |
methyl 2-aminoisobutyrate hydrochloride
N-[(9H-fluoren-9-ylmethoxy)carbonyl]-L-methionine
Fmoc-L-Met-Aib-OMe
Conditions | Yield |
---|---|
With 4-methyl-morpholine; 1-hydroxy-7-aza-benzotriazole; 1-ethyl-(3-(3-dimethylamino)propyl)-carbodiimide hydrochloride In dichloromethane at 20℃; for 24h; | 93% |
2-docosyloxy-4-methoxybenzyl alcohol
N-[(9H-fluoren-9-ylmethoxy)carbonyl]-L-methionine
C50H73NO6S
Conditions | Yield |
---|---|
With dmap; 1-ethyl-(3-(3-dimethylamino)propyl)-carbodiimide hydrochloride In chloroform at 20℃; for 1h; Cooling with ice; | 93% |
L-leucine benzyl ester p-toluenesulfonate
N-[(9H-fluoren-9-ylmethoxy)carbonyl]-L-methionine
Conditions | Yield |
---|---|
Stage #1: L-leucine benzyl ester p-toluenesulfonate With triethylamine In dichloromethane at 20℃; for 0.5h; Stage #2: N-[(9H-fluoren-9-ylmethoxy)carbonyl]-L-methionine With benzotriazol-1-ol; dicyclohexyl-carbodiimide In dichloromethane at 20℃; | 93% |
N-[(9H-fluoren-9-ylmethoxy)carbonyl]-L-methionine
(9H-fluoren-9-yl)methyl (S)-(1-fluoro-4-(methylthio)-1-oxobutan-2-yl)carbamate
Conditions | Yield |
---|---|
With tetramethylammonium trifluoromethanethiolate In dichloromethane at 20℃; for 0.0833333h; | 92% |
With pyridine; trifluoro-[1,3,5]triazine In dichloromethane for 4h; Ambient temperature; | 80% |
With pyridine; trifluoro-[1,3,5]triazine In dichloromethane at 20℃; | 74% |
With pyridine; trifluoro-[1,3,5]triazine In dichloromethane for 2h; | 72% |
L-leucine benzyl ester hydrochloride
N-[(9H-fluoren-9-ylmethoxy)carbonyl]-L-methionine
Conditions | Yield |
---|---|
With C36H24B4N2O3 In toluene at 80℃; for 48h; Inert atmosphere; Molecular sieve; | 92% |
N-[(9H-fluoren-9-ylmethoxy)carbonyl]-L-methionine
(S)-2-((S)-2-Amino-4-methyl-pentanoylamino)-3-phenyl-propionic acid (benzhydryl-carbamoyl)-methyl ester; compound with trifluoro-acetic acid
Fmoc-Met-Leu-Phe-OBg
Conditions | Yield |
---|---|
With 4-methyl-morpholine; (benzotriazo-1-yloxy)tris(dimethylamino)phosphonium hexafluorophosphate In N,N-dimethyl-formamide for 0.5h; Ambient temperature; | 91% |
N-[(9H-fluoren-9-ylmethoxy)carbonyl]-L-methionine
Conditions | Yield |
---|---|
With diethyl cyanophosphonate; N-ethyl-N,N-diisopropylamine In dichloromethane at 20℃; Addition; Peptide-bond formation; | 91% |
1,2,3-Benzotriazole
N-[(9H-fluoren-9-ylmethoxy)carbonyl]-L-methionine
9H-fluoren-9-ylmethyl N-[(1S)-1-(1H-1,2,3-benzotriazol-1-ylcarbonyl)-3-(methylsulfanyl)propyl]carbamate
Conditions | Yield |
---|---|
Stage #1: 1,2,3-Benzotriazole With thionyl chloride In tetrahydrofuran at 25℃; for 0.5h; Inert atmosphere; Stage #2: N-[(9H-fluoren-9-ylmethoxy)carbonyl]-L-methionine In tetrahydrofuran at 20℃; for 2h; Inert atmosphere; | 91% |
Stage #1: 1,2,3-Benzotriazole With thionyl chloride In tetrahydrofuran at 35 - 40℃; for 0.333333h; Stage #2: N-[(9H-fluoren-9-ylmethoxy)carbonyl]-L-methionine In tetrahydrofuran at 25℃; for 2h; | 87% |
Stage #1: 1,2,3-Benzotriazole With thionyl chloride In tetrahydrofuran at 40 - 50℃; for 0.333333h; Stage #2: N-[(9H-fluoren-9-ylmethoxy)carbonyl]-L-methionine In tetrahydrofuran at 20℃; for 2h; | 87% |
With thionyl chloride In tetrahydrofuran at 20℃; for 2h; |
curcumin
N-[(9H-fluoren-9-ylmethoxy)carbonyl]-L-methionine
Conditions | Yield |
---|---|
With dmap; 1-ethyl-(3-(3-dimethylamino)propyl)-carbodiimide hydrochloride In dichloromethane at -5 - 0℃; | 91% |
N-[(9H-fluoren-9-ylmethoxy)carbonyl]-L-methionine
Fmoc-methioninechloride
Conditions | Yield |
---|---|
With thionyl chloride; N,N-dimethyl-formamide In dichloromethane for 1h; Ambient temperature; | 90.3% |
With thionyl chloride In dichloromethane for 24h; Ambient temperature; | 90% |
With pyridine; thionyl chloride In dichloromethane Heating; |
N,O-dimethylhydroxylamine*hydrochloride
N-[(9H-fluoren-9-ylmethoxy)carbonyl]-L-methionine
Conditions | Yield |
---|---|
Stage #1: N-[(9H-fluoren-9-ylmethoxy)carbonyl]-L-methionine With 2,4,6-tripropyl-1,3,5,2,4,6-trioxatriphosphinane-2,4,6-trioxide; 1,8-diazabicyclo[5.4.0]undec-7-ene In ethyl acetate; acetonitrile at 0℃; for 0.166667h; Stage #2: N,O-dimethylhydroxylamine*hydrochloride With triethylamine In ethyl acetate; acetonitrile at 0℃; for 0.5h; | 90% |
Stage #1: N-[(9H-fluoren-9-ylmethoxy)carbonyl]-L-methionine With trichloroacetonitrile; triphenylphosphine In tetrahydrofuran at 20℃; for 1h; Inert atmosphere; Stage #2: N,O-dimethylhydroxylamine*hydrochloride With triethylamine In tetrahydrofuran at 20℃; for 2h; Inert atmosphere; | 78% |
With O-(1H-benzotriazol-1-yl)-N,N,N',N'-tetramethyluronium hexafluorophosphate; N-ethyl-N,N-diisopropylamine | |
Stage #1: N,O-dimethylhydroxylamine*hydrochloride; N-[(9H-fluoren-9-ylmethoxy)carbonyl]-L-methionine With O-(benzotriazol-1-yl)-N,N,N',N'-tetramethyluronium tetrafluoroborate In acetonitrile at 0℃; Inert atmosphere; Stage #2: With N-ethyl-N,N-diisopropylamine In acetonitrile at 0 - 20℃; Inert atmosphere; |
Fmoc-Leu-OH
N-Fmoc L-Phe
N-[(9H-fluoren-9-ylmethoxy)carbonyl]-L-methionine
Conditions | Yield |
---|---|
Stage #1: N-Fmoc L-Phe With N-ethyl-N,N-diisopropylamine In N,N-dimethyl-formamide at 20℃; for 0.666667h; Stage #2: With N-ethyl-N,N-diisopropylamine In methanol; dichloromethane at 20℃; for 0.166667h; Stage #3: Fmoc-Leu-OH; N-[(9H-fluoren-9-ylmethoxy)carbonyl]-L-methionine; Nα-(9-fluorenylmethyloxycarbonyl)-Nγ-2,2,4,6,7-pentamethyldihydrobenzofuran-5-sulfonyl-L-arginine Further stages; | 90% |
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