Hydrochloric Acid → 3,4-Methylenedioxyphenylalanyl chloride hydrochloride

反応式

[CH2:1]1[O:15][C:14]2[CH:13]=[CH:12][C:5]([CH2:6][C@@H:7]([C:9](O)=[O:10])[NH2:8])=[CH:4][C:3]=2[O:2]1.Cl.P(Cl)(Cl)(Cl)(Cl)[Cl:18].Cl.C1(NCC([Cl:34])=O)C=CC=CC=1>>[ClH:18].[CH2:1]1[O:15][C:14]2[CH:13]=[CH:12][C:5]([CH2:6][C@@H:7]([C:9]([Cl:34])=[O:10])[NH2:8])=[CH:4][C:3]=2[O:2]1

参加物

反応物 4

HCID 313Hydrochloric Acid

HCID 24819Phosphorus pentachloride

HCID 12918717(S)-2-Amino-3-(benzo[D][1,3]dioxol-5-YL)propanoic acid

HCID 13140662N-Phenylglycyl chloride--hydrogen chloride (1/1)

生成物 1

HCID 867342163,4-Methylenedioxyphenylalanyl chloride hydrochloride

実験手順

The compound 3,4-methylenedioxyphenylalanine, Ber., 59, 2952 (1926), is treated with hydrogen chloride and phosphorous pentachloride in accordance with the procedure described by Hartcastle et al., J. Org. Chem., 31, 897 (1966) for the preparation of phenylglycyl chloride hydrochloride to yield 3,4-methylenedioxyphenylalanyl chloride hydrochloride.

出典と根拠

ORDレコード: ord-2c6906adf7194110b7100c74188569f5
出典データセット: uspto-grants-1977_04
DOI: 10.6084/m9.figshare.5104873.v1
特許番号: US04020060

反応ノート

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