Tangutorine (1) in the racemic form has been assembled from tryptamine and aldehyde 3. The synthetic design was based on uncovering a hidden symmetry in the nontryptamine portion of the norketone 2. A five-step process with an overall yield of 7% was developed in which 2 was transformed into the target molecule via a Vilsineier-Haack reaction and two reduction steps.
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Jilin Normal Univ, Coll Engn, Siping 136000, Peoples R ChinaJilin Normal Univ, Coll Engn, Siping 136000, Peoples R China
Sun, Tao
Sun, Tiantian
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Jilin Normal Univ, Coll Engn, Siping 136000, Peoples R ChinaJilin Normal Univ, Coll Engn, Siping 136000, Peoples R China
Sun, Tiantian
Lu, Ming
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Jilin Normal Univ, Minist Educ, Key Lab Funct Mat Phys & Chem, Changchun 130103, Peoples R ChinaJilin Normal Univ, Coll Engn, Siping 136000, Peoples R China
Lu, Ming
Sun, Wei
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Jilin Normal Univ, Coll Engn, Siping 136000, Peoples R ChinaJilin Normal Univ, Coll Engn, Siping 136000, Peoples R China
Sun, Wei
Liu, Chunbo
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Jilin Normal Univ, Coll Engn, Siping 136000, Peoples R China
Jilin Joint Technol Innovat Lab Developing & Utili, Siping 136000, Peoples R ChinaJilin Normal Univ, Coll Engn, Siping 136000, Peoples R China