1159680-21-3

  • Product Name:L-Lysine, N6-[[[(2,3-dihydro-2,2,4,6,7-pentamethyl-5-benzofuranyl)sulfonyl]amino]iminomethyl]-N2-[(9H-fluoren-9-ylmethoxy)carbonyl]-
  • Molecular Formula:C35H42N4O7S
  • Purity:99%
  • Molecular Weight:662.807
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Product Details;

CAS#: 1159680-21-3

Molecular Formula: C35H42N4O7S

Factory Supply Best Quality 1159680-21-3 In Bulk Supply

  • Molecular Formula:C35H42N4O7S
  • Molecular Weight:662.807
  • PKA:3.87±0.21(Predicted) 
  • PSA:175.29000 
  • Density:1.35±0.1 g/cm3(Predicted) 
  • LogP:7.64340 

1159680-21-3 Relevant articles

Preparation method of eptifibatide key raw material L-higher arginine

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Paragraph 0041-0044, (2021/02/20)

The invention discloses a preparation me...

1159680-21-3 Process route

Fmoc-L-arginine hydrochloride

Fmoc-L-arginine hydrochloride

2,2,4,6,7-pentamethyl-2,3-dihydrobenzofuran-5-sulfonyl chloride
154445-78-0

2,2,4,6,7-pentamethyl-2,3-dihydrobenzofuran-5-sulfonyl chloride

(S)-2-(((9H-fluoren-9-yl)methoxy)carbonylamino)-6-(3-(2,2,4,6,7-pentamethyl-2,3-dihydrobenzofuran-5-ylsulfonyl)guanidino)hexanoic acid
1159680-21-3

(S)-2-(((9H-fluoren-9-yl)methoxy)carbonylamino)-6-(3-(2,2,4,6,7-pentamethyl-2,3-dihydrobenzofuran-5-ylsulfonyl)guanidino)hexanoic acid

Conditions
Conditions Yield
With sodium hydrogencarbonate; N-ethyl-N,N-diisopropylamine; In water; acetone; at 20 - 25 ℃; for 3h; pH=7 - 7.5;
81.3%
Fmoc-Lys(tert-butoxycarbonyl)
71989-26-9

Fmoc-Lys(tert-butoxycarbonyl)

(S)-2-(((9H-fluoren-9-yl)methoxy)carbonylamino)-6-(3-(2,2,4,6,7-pentamethyl-2,3-dihydrobenzofuran-5-ylsulfonyl)guanidino)hexanoic acid
1159680-21-3

(S)-2-(((9H-fluoren-9-yl)methoxy)carbonylamino)-6-(3-(2,2,4,6,7-pentamethyl-2,3-dihydrobenzofuran-5-ylsulfonyl)guanidino)hexanoic acid

Conditions
Conditions Yield
Multi-step reaction with 4 steps
1: hydrogenchloride / N,N-dimethyl-formamide; water / 2 h / 20 - 25 °C
2: triethylamine / N,N-dimethyl-formamide / 6 h / 20 - 25 °C / Industrial scale
3: hydrogenchloride / water; ethyl acetate / 2 h / 0 - 25 °C
4: N-ethyl-N,N-diisopropylamine; sodium hydrogencarbonate / water; acetone / 3 h / 20 - 25 °C / pH 7 - 7.5
With hydrogenchloride; sodium hydrogencarbonate; triethylamine; N-ethyl-N,N-diisopropylamine; In water; ethyl acetate; N,N-dimethyl-formamide; acetone;
 

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