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  • 专利标题:   Preparation of isopropyl acetoacetate, involves esterifying diketene and isopropyl alcohol using self-catalyst comprises graphene as carrier, and rectifying obtained crude product.
  • 专利号:   CN107986966-A
  • 发明人:   YU X, ZHANG Z, LI H, ZHANG G, HOU X, ZHANG C
  • 专利权人:   SHANDONG HUIHAI PHARM CHEM CO LTD
  • 国际专利分类:   C07C067/46, C07C067/54, C07C069/72
  • 专利详细信息:   CN107986966-A 04 May 2018 C07C-067/46 201837 Pages: 4 Chinese
  • 申请详细信息:   CN107986966-A CN11336217 14 Dec 2017
  • 优先权号:   CN11336217

▎ 摘　　要

NOVELTY - Preparation of isopropyl acetoacetate, involves esterifying diketene and isopropyl alcohol using a self-catalyst comprising graphene as carrier, and rectifying the obtained crude product. USE - Preparation of isopropyl acetoacetate. ADVANTAGE - The method provides a product purity of 98% or more and a yield of 93% or more, improves raw material utilization rate, reduces waste generation, and is economical and environmentally-friendly.