112378-35-5Relevant articles and documents
Preparation method of tenuazonic Acid and derivative thereof
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Paragraph 0066-0067, (2021/05/12)
The invention provides a preparation method of tenuazonic Acid and a derivative thereof. The synthesis route comprises the following steps: reacting malonic acid cycloisopropylidene ester with acyl chloride, then reacting with amino acid methyl ester hydr
Amic acid derivative as well as preparation method and application thereof
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Paragraph 0117; 0146-0148; 0150, (2021/09/21)
The invention provides an amine acid derivative as well as a preparation method and application thereof. The amine acid derivative has the structure as follows. Herein, R is selected from methyl, methoxy and the like. R1 Selected from C1 - C4 a
1,3-Oxazines and Related Compounds. XIII. Reaction of Acyl Meldrum's Acids with Schiff Bases Giving 2,3-Disubstituted 5-Acyl-3,4,5,6-tetrahydro-2H-1,3-oxazine-4,6-diones and 2,3,6-Trisubstituted 2,3-Dihydro-1,3-oxazin-4-ones
Yamamoto, Yutaka,Watanabe, Yukiyoshi,,Ohnishi, Shuhei
, p. 1860 - 1870 (2007/10/02)
The reaction of Schiff bases (2) with various acyl Meldrum's acids (1) were investigated.Refluxing of 1 and 2 in benzene caused an exchange reaction of the acetone moiety of 1 with the Schiff base moiety through the intermediate acylketenes 11 formed in s