一二三四区视频,亚洲少妇熟女色,日本久热无码视频网,欧美国产日韩大尺度,亚洲a视频,久久少妇一区二区,日韩999无码视频,刺激久久久久久久,啊啊啊啊不要啊在线

Welcome to chemicalbook!
Chinese English Japanese Germany Korea
010-86108875
Try our best to find the right business for you.
Do not miss inquiry messages Please log in to view all inquiry messages.

Welcome back!

ChemicalBook CAS DataBase List Deferiprone
30652-11-0

Deferiprone synthesis

10synthesis methods
Deferiprone is a drug that chelates iron and is used to treat thalassaemia major. In 1994 was first approved for use in treating thalassaemia major in 1994 and had been licensed for use in Europe and Asia for many years while awaiting approval in Canada and the United States. On October 14, 2011, it was approved for use in the US under the FDA?’s accelerated approval program.
Synthetic Routes
  • ROUTE 1
  • 202112077391666935.jpg

    Dobbin, Paul S.; Hider, Robert C.; Hall, Adrian D.; Taylor, Paul D.; Sarpong, Patience; Porter, John B.; Xiao, Gaoyi; van der Helm, Dick. Synthesis, physicochemical properties, and biological evaluation of N-substituted 2-alkyl-3-hydroxy-4(1H)-pyridinones: orally active iron chelators with clinical potential. Journal of Medicinal Chemistry. Volume 36. Issue 17. Pages 2448-58. Journal. (1993).

  • ROUTE 2
  • 202112070063819108.jpg

    Fox, Raymond C.; Taylor, Paul D. Efficient syntheses of N-alkyl-3-hydroxy-2-methyl-4(1H)-pyridinones from carbohydrate precursors. Synthetic Communications. Volume 29. Issue 6. Pages 989-1001. Journal. (1999).

202112077391666935.jpg

Dobbin, Paul S.; Hider, Robert C.; Hall, Adrian D.; Taylor, Paul D.; Sarpong, Patience; Porter, John B.; Xiao, Gaoyi; van der Helm, Dick. Synthesis, physicochemical properties, and biological evaluation of N-substituted 2-alkyl-3-hydroxy-4(1H)-pyridinones: orally active iron chelators with clinical potential. Journal of Medicinal Chemistry. Volume 36. Issue 17. Pages 2448-58. Journal. (1993).

-

Yield:-

Steps:

Multi-step reaction with 3 steps
1: 99 percent / KOH / methanol / Ambient temperature
2: 99 percent / ethanol / 22 h / Ambient temperature
3: 80 percent / H2 / Pd/C / methanol / 2 h

References:

Rumbo, Antonio;Mourino, Antonio;Castedo, Luis;Mascarenas, Jose L. [Journal of Organic Chemistry,1996,vol. 61,# 18,p. 6114 - 6120]

FullText

通辽市| 北川| 溆浦县| 茂名市| 张掖市| 庄浪县| 蓝田县| 孝昌县| 体育| 定南县| 斗六市| 望江县| 延庆县| 西乌珠穆沁旗| 英德市| 普宁市| 桑植县| 深水埗区| 兰坪| 黄浦区| 札达县| 精河县| 石家庄市| 泸州市| 岳阳市| 平乡县| 新晃| 文水县| 台东县| 清镇市| 佳木斯市| 区。| 台东县| 淮南市| 兴宁市| 深泽县| 永平县| 西平县| 台东县| 兴海县| 綦江县|