Patent classifications
B
PERFORMING OPERATIONS; TRANSPORTING
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B01
PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
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B01J
CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
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2231/00
Catalytic reactions performed with catalysts classified in B01J31/00
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B01J2231/40
Substitution reactions at carbon centres, e.g. C-C or C-X, i.e. carbon-hetero atom, cross-coupling, C-H activation or ring-opening reactions
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B01J2231/42
Catalytic cross-coupling, i.e. connection of previously not connected C-atoms or C- and X-atoms without rearrangement
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B01J2231/4205
C-C cross-coupling, e.g. metal catalyzed or Friedel-Crafts type
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B01J2231/4238
Negishi-type, i.e. RY + R'ZnZ, in which R, R' is optionally substituted alkyl, alkenyl, alkynyl, aryl, Y is the leaving group and Z is halide or R'
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B01J2231/425

AIR-STABLE Ni(0)-OLEFIN COMPLEXES AND THEIR USE AS CATALYSTS OR PRECATALYSTS
20220266232 · 2022-08-25 · ·

The present invention relates to air stable, binary Ni(0)-olefin complexes and their use in organic synthesis.

METHOD FOR SYNTHESIZING 5,8-DIAMINO-3,4-DIHYDRO-2H-1-NAPHTHALENONE AND INTERMEDIATE COMPOUND USED THEREIN
20240343678 · 2024-10-17 ·

A method for synthesizing 5,8-diamino-3,4-dihydro-2H-1-naphthalenone (Compound I), which method comprises: subjecting 2,5-diprotected aminophenylbutyric acid to the Friedel-Crafts reaction for ring closure, and then removing a protecting group on the amino group to obtain Compound I.

Air-stable ni(0)-olefin complexes and their use as catalysts or precatalysts
12558677 · 2026-02-24 · ·

The present invention relates to air stable, binary Ni(0)-olefin complexes and their use in organic synthesis.