6-BENZYLAMINOPURINE
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6-BENZYLAMINOPURINE
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CAS No:
162714-86-5
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Formula:
C12H11N5.ClH
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Chemical Name:
6-BENZYLAMINOPURINE
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Synonyms:
BENZYLAMINOPURINE, 6-;BENZYL-(7H-PURIN-6-YL)-AMINE;BA;BAP;6BAP;6-BA;6-BENZYLADENINE 6-BENZYLAMINOPURINE;6-BENZYLADENINE
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CAS No:
Safety Information
NONH for all modes of transport
3
36/37/38
26-36
AU6252200
Xi
Harmful
P261, P264, P271, P280, P302+P352, P304+P340, P305+P351+P338, P312, P321, P332+P313, P337+P313, P362, P403+P233, P405, P501
H315
6-BENZYLAMINOPURINE Use and Manufacturing
The first preparation method is synthesized with the by-product (I) of ribavirin produced in industry as a raw material. The production process involves three chemical reactions including hydrolysis, condensation and benzyl amination. Hydrolysis (preparation of hypoxanthine). 1400 mL of 3% hydrochloric acid and 105 g (I) were refluxed for 8 hours, and 500 mL of 10% sodium hydroxide solution was added to make the pH value 5-6. Cooled, filtered with suction to obtain a grayish yellow solid, recrystallized with water, and treated with activated carbon to obtain a white powdered solid (II) with a dry weight of 83g. Condensation (preparation of pyridine salt intermediate). Dissolve 6g (II) in 125mL pyridine solution, add 8mL phosphorus oxychloride dropwise, and cool the reaction in an ice bath. After dripping, continue to react at room temperature for 0.5h, that is, filter with suction, and obtain (III) 7.85g after drying. Benzyl amination (synthesis of 6-BA). Place the intermediate salt (III) in the reaction flask, add 30 mL benzylamine dropwise, and then heat up the water bath to 60-70°C after dripping, react for 3h, distill off the benzylamine to obtain 2.1 g of crude product (IV). During recrystallization, use 1mol/L sodium hydroxide to dissolve the crude product, boil activated carbon to decolorize, filter hot, adjust the pH value of 4 to 5 after cooling, and a white solid will precipitate. The reaction process of the above steps is as follows. Preparation method 2: Benzyl adenine is obtained by chlorination of hypoxanthine and then benzylamine hydrolysis. Preparation method 3 Preparation method 4 is prepared by the direct reaction of adenine and benzyl chloride, but the 9-position substitution in the product is difficult to separate and purify.
Efficient plant cytokinin. Has good biochemical properties, promotes plant cell division, releases seed dormancy, promotes seed germination, promotes lateral bud germination and lateral branching, promotes flower bud differentiation, increases fruit setting, and inhibits protein and chlorophyll degradation. It can be used for fruit type and variety improvement, fruit and vegetable fresh storage and rice yield increase. Spraying rice with 10～20mg/L liquid medicine can increase the yield by 10%～15%. Guangdong once sprayed rice with 50～400mg/L. Used in apples can increase fruit diameter, quantity and yield. It can be used for celery and parsley to inhibit leaf yellowing, chlorophyll degradation and increase amino acid content. The concentration is 10mg/L.
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