Abstract:Debabrata Maiti of the Indian Institute of Technology Bombay found (Chem. Commun. 2012, 48, 4253) that the relatively inexpensive Pd(OAc)2 effectively catalyzed the decarbonylation of an aldehyde 1 to...Debabrata Maiti of the Indian Institute of Technology Bombay found (Chem. Commun. 2012, 48, 4253) that the relatively inexpensive Pd(OAc)2 effectively catalyzed the decarbonylation of an aldehyde 1 to the hydrocarbon 2. Hui Lou of Zhejiang University used (Adv. Synth. Catal. 2011, 353, 2577) a Mo catalyst to effect reduction of the ester 3 to the hydrocarbon 4, with retention of all the skeletal carbons. Jon T. Njardarson of the University of Arizona showed (Chem. Commun. 2012, 48, 7844) that the allylic ether 5 could be reduced with high regioselectivity to give 6. José Barluenga and Carlos Valdés of the Universidad de Oviedo effected (Angew. Chem. Int. Ed. 2012, 51, 5950) the direct conversion of a ketone 7 to the azide 8. Although no cyclic ketones were included in the examples, there is a good chance that this will be the long-sought diastereoselective reduction of a cyclohexanone to the equatorial amine. Hideo Nagashima of Kyushu University reduced (Chem. Lett. 2012, 41, 229) the acid 9 directly to the aldehyde 1 using a ruthenium catalyst with the bis silane 10. Georgii I. Nikonov of Brock University described (Adv. Synth. Catal. 2012, 354, 607) a similar Ru-mediated silane reduction of an acid chloride to the aldehyde. Professor Nagashima used (Angew. Chem. Int. Ed. 2012, 51, 5363) his same Ru catalyst to reduce the ester 11 to the protected amine 12. Shmaryahu Hoz of Bar-Ilan University used (J. Org. Chem. 2012, 77, 4029) photostimulation to promote the SmI2-mediated reduction of a nitrile 13 to the amine 14. Bakthan Singaram of the University of California, Santa Cruz effected (J. Org. Chem. 2012, 77, 221) the same transformation with InCl3/NaBH4. David J. Procter of the University of Manchester described (J. Org. Chem. 2012, 77, 3049) what promises to be a general method for activating Sm metal to form SmI2. Mark T. Hamann of the University of Mississippi directly reduced (J. Org. Chem. 2012, 77, 4578) the nitro group of 15 to the alkylated amine 16. Cleanly oxidizing aromatic methyl groups to the level of the aldehyde without overoxidation has been a challenge.Read More
Publication Year: 2015
Publication Date: 2015-01-08
Language: en
Type: book-chapter
Indexed In: ['crossref']
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