Studies on Peptides. XXII. Synthesis of the partially Protected Pentadecapeptide related to Monkey and Human β-Melanocyte-stimulating Hormones
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Synthesis of the partially protected pentadecapeptide related to monkey and human β-melanocyte-stimulating hormone, H-Pro-Tyr-Arg-Met-Glu-His-Phe-Arg-Trp-Gly-Ser-Pro-Pro-Lys (Nε-formyl)-Asp-OH (III), was described. Condensation of Z-Glu (γ-OBzl)-OH with H-His-Phe-Arg-Trp-Gly-Ser-Pro-Pro-Lys (Nε-formyl)-Asp-OH (IV) by the p-nitrophenyl ester method and subsequent hydrogenation gave H-Glu-IV, which was condensed with Boc-Met-OH by the same procedure. Treatment of the product with trifluoroacetic acid gave H-Met-Glu-IV. Boc-Arg (NG-nitro)-OH was condensed with this dodecapeptide by the mixed anhydride procedure and the product was treated with hydrogen fluoride to give H-Arg-Met-Glu-IV, to which Boc-Pro-Tyr-OH was added by the azide procedure to afford the protected III. Treatment of which with trifluoroacetic acid gave III. The MSH activity of the synthetic peptides was as follows ; H-Glu-IV, 6.0×106 : H-Met-Glu-IV, 1.9×106, 2.3×107 : H-Arg-Met-Glu-IV, 1.8×108 and III, 2.2×1012units/g.
収録刊行物
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- CHEMICAL & PHARMACEUTICAL BULLETIN
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CHEMICAL & PHARMACEUTICAL BULLETIN 17 (6), 1229-1236, 1969
公益社団法人 日本薬学会
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詳細情報 詳細情報について
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- CRID
- 1390001204171452416
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- NII論文ID
- 110003621001
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- NII書誌ID
- AA00602100
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- COI
- 1:CAS:528:DyaF1MXks1Wkt7o%3D
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- ISSN
- 13475223
- 00092363
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- PubMed
- 4979659
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- 本文言語コード
- en
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- データソース種別
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- JaLC
- Crossref
- PubMed
- CiNii Articles
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- 抄録ライセンスフラグ
- 使用不可