Method for rapidly preparing abscisic acid receptor stimulant
An abscisic acid receptor and agonist technology, applied in the field of chemical synthesis and plant growth regulation, can solve the problems of restricting promotion speed, low efficiency, and many steps, and achieve high application value, enhanced tolerance, and extensive sources Effect
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specific Embodiment 1
[0027] Two-step one-pot method for preparing an abscisic acid receptor agonist: add p-methylbenzyl mercaptan to acetonitrile, then add a chlorinating reagent, spot the plate for monitoring, move it into an ice-water bath after the reaction, and add 4 equivalents of an acid-binding agent Such as pyridine, slowly drop 7-amino- N -Acetonitrile solution of propyl quinolinone, spot plate to monitor the reaction, after the reaction, pickling, drying, and further column chromatography or recrystallization can obtain the abscisic acid receptor agonist, its NMR data is as follows 1 H NMR (600 MHz, DMSO- d 6 ): δ9.66 (s, 1H), 7.16 (s, 4H), 7.11-7.03 (m, 2H), 6.99 (s, 1H), 4.37 (s, 2H),3.86-3.72 (m, 2H), 2.89-2.72 (m, 2H), 2.52 (s, 2H), 2.29 (s, 3H), 1.53 (m, 2H), 0.87 (t, J = 7.2 Hz, 3H). The reaction equation is:
[0028]
specific Embodiment 2
[0029] Two-step one-pot method: add p-bromobenzylmercaptan to acetonitrile, then add chlorinated reagent, spot plate monitoring, after the reaction is completed, move it into an ice-water bath, add 4 equivalents of an acid-binding agent such as pyridine, and slowly drop it after the addition 7-amino- N -Acetonitrile solution of propyl quinolinone, spot plate to monitor the reaction, after the reaction, pickling, drying, and further column chromatography or recrystallization can obtain the abscisic acid receptor agonist, its NMR data is as follows 1 H NMR (600 MHz, DMSO- d 6 ): δ 9.67 (s, 1H), 7.18 (s,4H), 7.12-7.03 (m, 2H), 7.00 (s, 1H), 4.36 (s, 2H), 3.85-3.70 (m, 2H), 2.88 -2.71 (m, 2H), 2.30 (s, 3H), 1.52 (m, 2H), 0.88 (t, J = 7.2 Hz, 3H). The reaction equation is:
[0030]
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