Electrocarboxylation Synthesis for Obtaining Intermediates Useful for the Synthesis of SPAN Derivatives
申请人:Air Products and Chemicals, Inc.
公开号:US20130165684A1
公开(公告)日:2013-06-27
The present invention relates to a process for obtaining a compound of formula (
1
), (
2
) or (
3
) by means of a electrocarboxylation with CO
2
. The present invention also relates to the new intermediates (
1
) and (
2
). The present invention further relates to the use of intermediates (
1
) and (
2
) as starting materials for the synthesis of SPAN derivatives.
US8889897B2
申请人:——
公开号:US8889897B2
公开(公告)日:2014-11-18
Electrocarboxylation synthesis for obtaining intermediates useful for the synthesis of span derivatives