Hydrochloric Acid → HCID 13061858、化合物

HRID 1493353ノート

反応式

HRID 1493353 の反応式
[CH3:1][C:2]1[C:3]([O:12][CH3:13])=[C:4]([C:8]([O:10]C)=[O:9])[S:5][C:6]=1[CH3:7].Cl>[OH-].[Na+]>[CH3:13][O:12][C:3]1[C:2]([CH3:1])=[C:6]([CH3:7])[S:5][C:4]=1[C:8]([OH:10])=[O:9]

参加物

4

反応物 2

HCID 313Hydrochloric AcidHCID 14154178Methyl 3-methoxy-4,5-dimethyl-2-thiophenecarboxylate

生成物 1

HCID 13061858HCID 13061858、化合物

試薬・触媒・溶媒 1

HCID 14798Sodium Hydroxide溶媒

実験手順

Methyl 4,5-dimethyl-3-methoxythiophene-2-carboxylate (34 g) was heated under reflux in 1M sodium hydroxide solution (500 ml) for 1 hour. After cooling the mixture was acidified with concentrated hydrochloric acid to pH4. The solid was filtered, washed with water and dried, m.p. 142°-143° C.

後処理

  1. temperatureAfter cooling the mixture
  2. filtrationThe solid was filtered
  3. washwashed with water
  4. customdried

出典と根拠

ORDレコード
ord-59d63cedf5744082af887b37b0f2b888
出典データセット
uspto-grants-1991_06
特許番号
US05021449

反応ノート

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