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Hydrochloric Acid → H-Gly-Leu-Ala-OBzl

HRID 1655683
ノート
印刷プレビュー

反応式

HRID 1655683 の反応式
[NH:1](C(OC(C)(C)C)=O)[CH2:2][C:3]([NH:5][C@H:6]([C:11]([NH:13][C@H:14]([C:16]([O:18][CH2:19][C:20]1[CH:25]=[CH:24][CH:23]=[CH:22][CH:21]=1)=[O:17])[CH3:15])=[O:12])[CH2:7][CH:8]([CH3:10])[CH3:9])=[O:4].FC(F)(F)C(O)=O.N[C@H](C(N[C@H](C(OCC1C=CC=CC=1)=O)C)=O)CC(C)C.FC(F)(F)C([O-])=O.Cl>CCOCC.C(OCC)(=O)C>[NH2:1][CH2:2][C:3]([NH:5][C@H:6]([C:11]([NH:13][C@H:14]([C:16]([O:18][CH2:19][C:20]1[CH:21]=[CH:22][CH:23]=[CH:24][CH:25]=1)=[O:17])[CH3:15])=[O:12])[CH2:7][CH:8]([CH3:10])[CH3:9])=[O:4]
参加物実験手順後処理出典と根拠反応ノート

参加物

8

反応物 5

HCID 313Hydrochloric AcidHCID 6422Trifluoroacetic acidHCID 84468TrifluoroacetateHCID 16742166H-Leu-Ala-OBzlHCID 131717744Boc-Gly-Leu-Ala-OBzl

生成物 1

HCID 131717745H-Gly-Leu-Ala-OBzl

試薬・触媒・溶媒 2

HCID 3283
Diethyl Ether
溶媒
HCID 8857Ethyl Acetate溶媒

実験手順

Boc-Gly-Leu-Ala-OBzl was prepared by coupling Boc-Gly-OH (5.70 g, 32.6 mmoles) to H-Leu-Ala-OBzl using the mixed anhydride procedure described in Example 2. The product (13.8 g) was obtained as an amorphous solid. Boc-Gly-Leu-Ala-OBzl was deblocked with trifluoroacetic acid by the procedure described for the preparation of H-Leu-Ala-OBzl except that the trifluoroacetate salt was soluble in ether. The preparation was dissolved in ethyl acetate and treated with anhydrous hydrogen chloride. The resulting product was precipitated by the addition of ether to yield 7.7 g of H-Gly-Leu-Ala-OBzl .HCl in a first crop.

後処理

  1. customThe resulting product was precipitated by the addition of ether

出典と根拠

ORDレコード
ord-8b52d57d8a714cfd8dace28118f3e22a
出典データセット
uspto-grants-1993_10
DOI
10.6084/m9.figshare.5104873.v1
特許番号
US05250720

反応ノート

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