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2 030 407

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C1

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IPC

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Application

4951134/04, 1991-06-27

(22)

Actual filing date

1991-06-27

(45)

Published

1995-03-10

(72)

Inventor

Rusinov G.L.Kitaeva V.G.Ishmetova R.I.Ignatenko N.K.

(73)

Holder

Rusinov Gennadij LeonidovichKitaeva Valentina Grigor'EvnaIshmetova Rashida IrshotovnaIgnatenko Nina Konstantinovna

METHOD OF SYNTHESIS OF SUBSTITUTED 1(2)-BENZYL-5-R-TETRAZOLES Russian patent published in 1995 - IPC

Abstract RU 2030407 C1

FIELD: organic chemistry. SUBSTANCE: product of the formula (I) where R1 - compound of the formula A; R1 - compound of the formula B. 1. R - phenyl, R1 - A; 2. R - R-4-OCH3-phenyl; R1 - A. 3. R - 3,4(OCH3)2-phenyl, R1 - A. 4. R - 3-pyridyl; R1 - A. 5. R - 4-pyridyl; R1 - A. 6. R - 4-Cl-phenyl; R1 - A. 7. R - 4-Br-phenyl; R1 - A. 8. R - NH2; R1 - A. 9. R - N-phthalimido; R1 - A. 10. R - phenyl; R1 - B. 11. R - 4-OCH3; R1 - B. 12. R - 3,4(OCH3)-phenyl; R1 - B. 13. R - 4-Br-phenyl; R1 - B. 14. R - 4-NO2; R1 - B. Synthesized compounds were used as complexing agents of synthones for synthesis of new heterocyclic compounds showing bioactive properties. Reagent 1: 1-H-5-substituted derivatives of tetrazole. Reagent 2: Mannich base. Reaction conditions: in the presence of potash in dimethylformamide, at 105-130 C, under ultrasonic oscillation effect at power 160-312 watt, at ratio (1.3-2.5):1. Formula A is , formula B is . EFFECT: improved method of synthesis of compounds indicated above. 2 tbl

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RU 2 030 407 C1

Authors

Rusinov G.L.

Kitaeva V.G.

Ishmetova R.I.

Ignatenko N.K.

Dates

1995-03-10—Published

1991-06-27—Filed

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