133603-84-6

Upstream product

• 135-02-4 ortho-anisaldehyde 
• 32044-22-7 (1R,2R)-1,2-diaminocyclohexane tartrate 
• 32044-22-7 (R,R)-1,2-diaminocyclohexane tartrate 
• 20439-47-8 (1R,2R)-1,2-diaminocyclohexane 

Downstream Products

• 854513-44-3 (1R,2R)-N,N’-bis(2-methoxybenzyl)cyclohexane-1,2-diamine 
• 133603-97-1 (2S,3S,4aR,8aR)-2,3-Bis-(2-methoxy-phenyl)-decahydro-quinoxaline 

Relevant academic research and scientific papers

Zinc Acetate-Catalyzed Enantioselective Hydrosilylation of Ketones

Zinc acetate complexes with a chiral diphenylethylenediamine (DPEDA)-derived ligand have been proved to be efficient catalysts for the enantioselective hydrosilylation of aryl ketones. Replacing pyrophoric dialkylzinc with the readily available zinc salt simplifies the procedures and provides excellent conversions (up to >99%) and enantioselectivities (ees up to 97%).

Schiff Bases as Added Chiral Ligands for the 6-C6H6)Cl2>2 Catalysed Hydrogen-Transfer Reduction of Ketones with 2-Propanol

Ruthenium complexes generated in situ from 2 and chiral Schiff bases catalyse asymmetric hydrogen-transfer reduction of alkyl aryl ketones by 2-propanol to give the (S) alcohol in up to 40percent ee.

Synthesis and characterisation of Cu(II) complexes bearing N,N′-di(methoxybenzyl)-(R,R)-1,2-diaminocyclohexane as catalysts for the asymmetric nitroaldol reaction

Enantiopure Cu(II) complexes with N,N′-di(p-methoxybenzyl)-(R,R)-1,2- diaminocyclohexane (L1), N,N′-di(m-methoxybenzyl)-(R,R)-1,2- diaminocyclohexane (L2), and N,N′-di(m-methoxybenzyl)-(R,R)-1, 2-diaminocyclohexane (L3) li

Synthesis of chlorinated biphenyls by Suzuki cross-coupling using diamine or diimine-palladium complexes

Several novel diimines (Salen-type ligands) 2a-2i and their reduced diamine counterparts 3b,3d-3g and 3i form complexes 4a-4i, 5b,5d-5g, and 5i with PdCl2 in DMF or methanol. Using 1 mol-% of the isolated complexes 4e and 5f many polychlorinated biphenyls (PCBs) can be prepared in moderate to excellent yields according to the Suzuki cross-coupling protocol with contact to air. Several 4-acetylbiphenyls prepared by this method can be converted in moderate yields into the corresponding biphenylcarboxylic acids (BCAs) by alkaline cleavage. An X-ray crystal structure determination confirms the structure of complex 5f. Wiley-VCH Verlag GmbH & Co. KGaA, 2008.

One catalyst for two distinct reactions: Sequential asymmetric hetero Diels-Alder reaction and diethylzinc addition

This paper describes the successful development of a series of chiral zinc catalysts containing (R)-3,3′-Br2-BINOL ligand and various diimine activators for enantioselective HDA reaction of Danishefsky's diene with aldehydes through a combinato