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(19)

RU

(11)

2 636 942

(13)

C2

(51)

IPC

C07C51/60(2006-01-01)

C07C57/36(2006-01-01)

C07C57/72(2006-01-01)

C07C57/34(2006-01-01)

(21) (22)

Application

2014128826, 2012-12-13

(24)

Start date

2012-12-13

(22)

Actual filing date

2012-12-13

(45)

Published

2017-11-29

(72)

Inventor

Chzhan VenminAnnis Gari Devid

(73)

Holder

E.I.Dyupon De Nemur End Kompani

DISOLS OF MALONIC ACID AND METHOD OF PRODUCTING MALONYLDIHALOGENIDES Russian patent published in 2017 - IPC C07C51/60 C07C57/36 C07C57/72 C07C57/34 

Abstract RU 2636942 C2

FIELD: chemistry.

SUBSTANCE: invention relates to of producing a compound of formula 1 , wherein R1 is phenyl substituted by 1 or 2 substituents independently selected from Cl or CF3; and X is Cl or Br, comprising contacting a compound of formula 2 , wherein R1 is phenyl substituted with 1 or 2 substituents independently selected from Cl or CF3; and each MA and MB independently is Na, K, NH4, NH(CH2CH3)3 or NH(CH2CH2CH2CH3)3, with a halogenating agent.

EFFECT: method is shorter and more efficient.

3 cl, 3 ex, 321 tbl

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RU 2 636 942 C2

Authors

Chzhan Venmin

Annis Gari Devid

Dates

2017-11-29—Published

2012-12-13—Filed

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