14-02-2019 дата публикации
Номер: US20190047855A1
Автор:
Rui SANG,
Jie LIU,
Kaiwu DONG,
Ralf JACKSTELL,
Matthias BELLER,
Robert FRANKE,
SANG RUI,
LIU JIE,
DONG KAIWU,
JACKSTELL RALF,
BELLER MATTHIAS,
FRANKE ROBERT,
SANG, Rui,
LIU, Jie,
DONG, Kaiwu,
JACKSTELL, Ralf,
BELLER, Matthias,
FRANKE, Robert
Process for Pd-catalyzed decomposition of formic acid 2. Process according to claim 1 ,wherein the compound in process step b) is selected from:{'sub': 2', '2', '3', '3', '2', '2', '3', '2, 'Pd(acac), PdCl, Pd(dba)*CHCl (dba=dibenzylideneacetone), Pd(OAc), Pd(TFA), Pd(CHCN)Cl.'}3. Process according to claim 1 ,{'sub': '2', 'wherein the compound in process step b) is Pd(OAc).'}4. Process according to claim 1 ,wherein the process comprises additional process step f):f) addition of an acid.5. Process according to claim 4 ,{'sub': 2', '4', '3', '3', '3', '3, 'wherein the acid in process step f) is selected from: HSO, CHSOH, CFSOH, PTSA.'}6. Process according to claim 4 ,wherein the acid in process step f) is PTSA.7. Process according to claim 1 ,{'sup': 1', '2', '3', '4, 'sub': 1', '12', '1', '12', '4', '14', '4', '14', '1', '12', '1', '12', '3', '14', '3', '14', '2, 'wherein R, R, R, Rare each independently selected from: —(C-C)-alkyl, —O—(C-C)-alkyl, —(C-C)-aryl, —O—(C-C)-aryl, cycloalkyl, —(C-C)-heteroalkyl, —O—(C-C)-heteroalkyl, —(C-C)-heteroaryl, —O—(C-C)-heteroaryl, —COO-alkyl, —COO-aryl, —C—O-alkyl, —C—O-aryl, NH, halogen and the residues are also capable of forming a larger condensed ring;'}wherein the recited alkyl groups, aryl groups, cycloalkyl, heteroalkyl groups, heteroaryl groups may be substituted as follows:{'sub': 1', '12', '1', '12, '—(C-C)-alkyl, —O—(C-C)-alkyl, halogen;'}{'sup': 1', '2', '3', '4, 'and at least one of the radicals R, R, R, Rdoes not represent phenyl.'}8. Process according to claim 1 ,{'sup': 1', '2', '3', '4, 'sub': 1', '12', '4', '14', '1', '12', '3', '14, 'wherein R, R, R, Rare each independently selected from: —(C-C)-alkyl, —(C-C)-aryl, cycloalkyl, —(C-C)-heteroalkyl, —(C-C)-heteroaryl, halogen and the residues are also capable of forming a larger condensed ring;'}wherein the recited alkyl groups, aryl groups, cycloalkyl, heteroalkyl groups, heteroaryl groups may be substituted as follows:{'sub': 1', '12', '1', '12, '—(C-C)-alkyl, ...
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