Alpha-pinene derivative and preparation method and application thereof
A derivative, pinene technology, applied in the field of α-pinene derivatives and their preparation, can solve the problems of few reports and the like, and achieve the effect of good anti-liver cancer activity
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Embodiment 1
[0136] Example 1 (1R,5S)-(6,6-dimethylbicyclo[3,1,1]hept-2-en-2-yl)(spiro[indoline-3,4'-piperidine The preparation of ]-2-keto) benzoate
[0137] (1) Preparation of (1R,5S)-(6,6-dimethylbicyclo[3,1,1]hept-2-en-2-yl)alcohol
[0138]
[0139] Under the condition of 78° C., 1.32 grams (12 mmol) of active selenium dioxide were dissolved in 10 ml of absolute ethanol solvent, heated to 80° C., and 1.36 grams (10 mmol) of α-pinene was slowly added dropwise thereto for reflux reaction for 3.5 hours, TLC Track and monitor the end point of the reaction, cool and filter, wash the filter residue with a solvent, combine the filtrate and the washing liquid, carry out vacuum distillation under nitrogen protection, and vacuum dry to obtain 0.94 g of a colorless transparent liquid with a yield of 63.1%. The molecular formula is C10H16O, and the molecular weight is for 152.23. 1 HNMR (400MHz, CDCl3) δ5.89 (t, J = 8.7Hz, 1H), 4.10 (s, 2H), 2.45-2.17 (m, 3H), 2.08 (dt, J = 7.9, 3.0Hz, 1H), ...
Embodiment 2
[0149] Example 2 (1R,5S)-(6,6-Dimethylbicyclo[3,1,1]hept-2-en-2-yl)(2-tert-butoxyformyl-1,3,4 , the preparation of 5-tetrahydropyrido[4,3-b]indole) benzoate
[0150] (1) Preparation of (1R,5S)-(6,6-dimethylbicyclo[3,1,1]hept-2-en-2-yl)alcohol
[0151]
[0152] Under the condition of 78° C., 1.32 grams (12 mmol) of active selenium dioxide were dissolved in 10 ml of absolute ethanol solvent, heated to 80° C., and 1.36 grams (10 mmol) of α-pinene was slowly added dropwise thereto for reflux reaction for 3.5 hours, TLC Track and monitor the end point of the reaction, cool and filter, wash the filter residue with a solvent, combine the filtrate and the washing liquid, carry out vacuum distillation under nitrogen protection, and vacuum dry to obtain 0.94 g of a colorless transparent liquid with a yield of 63.1%. The molecular formula is C10H16O, and the molecular weight is for 152.23. 1 HNMR (400MHz, CDCl3) δ5.89 (t, J = 8.7Hz, 1H), 4.10 (s, 2H), 2.45-2.17 (m, 3H), 2.08 (dt, J ...
Embodiment 3
[0163] Example 3 Preparation of (1R,5S)-(6,6-dimethylbicyclo[3,1,1]hept-2-en-2-yl)methanesulfonate;
[0164] (1) Preparation of (1R,5S)-(6,6-dimethylbicyclo[3,1,1]hept-2-en-2-yl)methanol;
[0165]
[0166] Under the condition of 78° C., 1.32 grams (12 mmol) of active selenium dioxide were dissolved in 10 ml of absolute ethanol solvent, heated to 80° C., and 1.36 grams (10 mmol) of α-pinene was slowly added dropwise thereto for reflux reaction for 3.5 hours, TLC Track and monitor the reaction end point, cool and filter, wash the filter residue with a solvent, combine the filtrate and the washing liquid, carry out vacuum distillation under nitrogen protection, and vacuum dry to obtain 0.94 g of a colorless transparent liquid with a yield of 63.1%. The molecular formula is C 10 h 16 O, the molecular weight is 152.23. 1 HNMR (400MHz, CDCl3) δ5.89 (t, J = 8.7Hz, 1H), 4.10 (s, 2H), 2.45-2.17 (m, 3H), 2.08 (dt, J = 7.9, 3.0Hz, 1H), 1.64-1.51(m,2H),0.98(s,6H).
[0167] (2) Prep...
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