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Catalytic Enantioselective Formation...

Wu, Hao.

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Catalytic Enantioselective Formations of C-B, C-C and C-Si Bonds by Organic Molecules or Transition-Metal Complexes.

紀錄類型:	書目-電子資源 : Monograph/item
正題名/作者:	Catalytic Enantioselective Formations of C-B, C-C and C-Si Bonds by Organic Molecules or Transition-Metal Complexes./
作者:	Wu, Hao.
面頁冊數:	632 p.
附註:	Source: Dissertation Abstracts International, Volume: 77-03(E), Section: B.
Contained By:	Dissertation Abstracts International77-03B(E).
標題:	Organic chemistry. -
電子資源:	http://pqdd.sinica.edu.tw/twdaoapp/servlet/advanced?query=3732584
ISBN:	9781339204871

Catalytic Enantioselective Formations of C-B, C-C and C-Si Bonds by Organic Molecules or Transition-Metal Complexes.
Wu, Hao.

Catalytic Enantioselective Formations of C-B, C-C and C-Si Bonds by Organic Molecules or Transition-Metal Complexes. - 632 p.

Source: Dissertation Abstracts International, Volume: 77-03(E), Section: B.

Thesis (Ph.D.)--Boston College, 2015.

Catalytic enantioselective reactions are of great importance in synthetic organic chemistry. Thus, development of efficient, selective and easily accessible catalyst for various bond formations is the main task in our laboratories.

ISBN: 9781339204871Subjects--Topical Terms:

523952
Organic chemistry.

Catalytic Enantioselective Formations of C-B, C-C and C-Si Bonds by Organic Molecules or Transition-Metal Complexes.
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245 1 0 $a Catalytic Enantioselective Formations of C-B, C-C and C-Si Bonds by Organic Molecules or Transition-Metal Complexes.
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500 $a Source: Dissertation Abstracts International, Volume: 77-03(E), Section: B.
500 $a Adviser: Amir H. Hoveyda.
502 $a Thesis (Ph.D.)--Boston College, 2015.
520 $a Catalytic enantioselective reactions are of great importance in synthetic organic chemistry. Thus, development of efficient, selective and easily accessible catalyst for various bond formations is the main task in our laboratories.
520 $a First, we have developed the first broadly applicable enantioselective boryl conjugate addition reactions to a variety of alpha,beta-unsaturated carbonyls, promoted by a chiral Lewis basic N-heterocyclic carbene. The valuable beta-boryl carbonyls were further used in complex molecule syntheses. The mechanism of these C--B bond formations was studied in details.
520 $a We have also developed a practical method for enantioselective addition of an allene unit to aryl-, heteroaryl- and alkyl-substituted Boc-aldimines. These efficient C--C bond formations, catalyzed by an aminophenol-derived boron-based catalyst, were further utilized in succinct syntheses of anisomycin and epi-cytoxazone.
520 $a Finally, chiral NHC--Cu complexes were employed for site-, diastereo- and enantioselective silyl conjugate additions to acyclic and cyclic dienones and dienoates. The precious enantiomerically enriched allylsilane obtained can be converted into a ketone-aldol type product, which is difficult to access through alternative methods.
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