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Title: Conversion of alkanes to organoseleniums and organotelluriums

Patent ·
OSTI ID:1333819
; ;

The invention provides processes and materials for the efficient and costeffective functionalization of alkanes and heteroalkanes, comprising contacting the alkane or heteroalkane and a soft oxidizing electrophile comprising Se(VI) or Te(VI), in an acidic medium, optionally further comprising an aprotic medium, which can be carried out at a temperature of less than 300 C. Isolation of the alkylselenium or alkyltellurium intermediate allows the subsequent conversion to products not necessarily compatible with the initial reaction conditions, such as amines, stannanes, organosulfur compounds, acyls, halocarbons, and olefins.

Research Organization:
The Scripps Research Inst., La Jolla, CA (United States)
Sponsoring Organization:
USDOE
Assignee:
The Scripps Research Institute (La Jolla, CA)
Patent Number(s):
9,505,714
Application Number:
14/910,275
OSTI ID:
1333819
Resource Relation:
Patent File Date: 2014 Aug 06
Country of Publication:
United States
Language:
English

References (9)

Method for preparation of organo-tellurium and selenium compounds patent November 1992
Organometallic tellurium compounds useful in chemical vapor deposition processes patent May 1994
Method for the preparation of free radical pharmaceuticals diagnostics and devices using selenium conjugates patent June 2000
Olefin polymerization catalyst system patent May 2001
Catalyst compositions for the selective conversion of alkanes to unsaturated carboxylic acids, methods of making and methods of using thereof patent July 2005
Catalyst composition for the selective conversion of alkanes to unsaturated carboxylic acids, method of making and method of using thereof patent June 2007
Synthesis of diselenides and selenides from elemental selenium journal April 2002
Studies on biological methylation. Part XV. The formation of dimethyl selenide in mould cultures in presence of D- and L-methionine, or of thetins, all containing the 14CH3 group journal January 1955
Designing Catalysts for Functionalization of Unactivated C–H Bonds Based on the CH Activation Reaction journal January 2012

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37 INORGANIC, ORGANIC, PHYSICAL, AND ANALYTICAL CHEMISTRY