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Search results for: hydroboration

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... into 13. The preparation of the iodide 19 began with the diene 14. Hydroboration followed by acetylation provided the meso diol. Enzymatic hydrolysis proceeded with high enantioselectivity ...
URL: https://www.organic-chemistry.org/Highlights/2010/02August.shtm
... /METAL HYDRIDE/DIBORANE/BH3/REDUCTION/B Catecholborane. A New Hydroboration Reagent. C. F. Lane, G. W. Kabalka, ...
URL: https://www.organic-chemistry.org/abstracts/authors/lane-c-f.shtm
... aldehyde 10 was prepared by opening the enantiomerically-pure epoxide 8 with the acetylide 9. Hydroboration of carvone 11 could not be effected with sufficient diastereocontrol. As an alternative ...
URL: https://www.organic-chemistry.org/Highlights/2010/04October.shtm
... 2009, 131, 5024.) that a benzylic organoborane, prepared by enantioselective hydroboration of styrene, coupled with an aryl iodide such as 6 in good yield ...
URL: https://www.organic-chemistry.org/Highlights/2010/08February.shtm
... . 2009, 11, 4140.) the enantiomerically-enriched ketone 15 by the enantioselective hydroboration of norbornadiene, followed by oxidation and alkylation. Intramolecular Schmidt cyclization following the ...
URL: https://www.organic-chemistry.org/Highlights/2010/10May.shtm
... , 51, 3033.) that an alkyl dimethyl borane, readily prepared by hydroboration of the alkene with BCl 3 and Et 3 SiH, reacted with benzoquinone ...
URL: https://www.organic-chemistry.org/Highlights/2010/11October.shtm
... Chem. Commun. 2009, 4947.) a gold catalyst for the selective hydroboration of alkynes over alkenes. Eiji Shirakawa and Tamio Hayashi of Kyoto University devised ...
URL: https://www.organic-chemistry.org/Highlights/2010/17May.shtm
... Lett. 2009, 11, 2007.) that the Suzuki coupling of the hydroboration product from 12 with the iodo alkene 13 was best supported by AsPh 3 ...
URL: https://www.organic-chemistry.org/Highlights/2010/29March.shtm
... the keto aldehyde, that underwent aldol condensation to give the enone 18. The hydroboration of 19 followed by coupling of the intermediate organoborane with 20 delivered 21 with ...
URL: https://www.organic-chemistry.org/Highlights/2011/03January.shtm
... rearrange. On the addition of water, the rearrangement proceeded smoothly. Protection and hydroboration converted 13 into 14. The bulk of the folded molecule protected the exo ...
URL: https://www.organic-chemistry.org/Highlights/2011/07March.shtm
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