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2 147 571

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Application

98117285/04, 1998-09-14

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Start date

1998-09-14

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Actual filing date

1998-09-14

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Published

2000-04-20

(72)

Inventor

Khusnutdinov R.I.Shchadneva N.A.Malikov A.I.Dzhemilev U.M.

(73)

Holder

Institut Neftekhimii I Kataliza An Respubliki Bashkortostan Unts Ran

METHOD OF SYNTHESIS OF DI-1-ADAMANTYL ESTER Russian patent published in 2000 - IPC

Abstract RU 2147571 C1

FIELD: organic chemistry, chemical technology. SUBSTANCE: invention relates to synthesis of di-1-adamantyl ester that is used as effective addition enhancing oxidative stability of high-molecular compounds. Di-1-adamantyl ester is synthesized by alcoholysis of 1-chloroadamantane using 1-hydroxyadamantane and under effect of catalysts, for example, Pd(PPh3)4 and Pd(PPh3)2CI2 at 160-190 C, for 3-8 h, at mole ratio [AdCl] : [AdOH] : [Pd] = 1 : 1 : (0.005-0.01). Conversion of 1-hydroxyadamantane is about 100%. EFFECT: high yield of end compound, simplified technology, decreased catalyst consumption, decreased amount of waste. 1 tbl, 16 ex

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RU 2 147 571 C1

Authors

Khusnutdinov R.I.

Shchadneva N.A.

Malikov A.I.

Dzhemilev U.M.

Dates

2000-04-20—Published

1998-09-14—Filed

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