Stereochemistry of the Addition Reactions of Grignard Reagents to 20-Keto Steroids. Sythesis of 17.alpha.,20.alpha.--Dihydroxycholesterol

N. Chaudhuri; June Williams; Robert Nickolson; Marcel Gut

doi:10.1021/jo01264a600

Stereochemistry of the Addition Reactions of Grignard Reagents to 20-Keto Steroids. Sythesis of 17.alpha.,20.alpha.--Dihydroxycholesterol

The Journal of Organic Chemistry ◽

10.1021/jo01264a600 ◽

1969 ◽

Vol 34 (12) ◽

pp. 3759-3766 ◽

Cited By ~ 23

Author(s):

N. Chaudhuri ◽

June Williams ◽

Robert Nickolson ◽

Marcel Gut

Keyword(s):

Grignard Reagents ◽

Addition Reactions

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ChemInform Abstract: Conjugate Addition Reactions of Allylic Copper Species Derived from Grignard Reagents: Synthetic and Spectroscopic Aspects (19 examples).

ChemInform ◽

10.1002/chin.199528069 ◽

2010 ◽

Vol 26 (28) ◽

pp. no-no

Author(s):

B. H. LIPSHUTZ ◽

C. HACKMANN

Keyword(s):

Conjugate Addition ◽

Grignard Reagents ◽

Addition Reactions ◽

Copper Species

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Formation of Quaternary Chiral Centers by N-Heterocyclic Carbene-Cu-Catalyzed Asymmetric Conjugate Addition Reactions with Grignard Reagents on Trisubstituted Cyclic Enones

Chemistry - A European Journal ◽

10.1002/chem.201000471 ◽

2010 ◽

Vol 16 (32) ◽

pp. 9890-9904 ◽

Cited By ~ 98

Author(s):

Stefan Kehrli ◽

David Martin ◽

Diane Rix ◽

Marc Mauduit ◽

Alexandre Alexakis

Keyword(s):

Conjugate Addition ◽

Grignard Reagents ◽

Addition Reactions ◽

Cyclic Enones ◽

Chiral Centers

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Asymmetric Addition Reactions of Grignard Reagents to Chiral 2-Trifluoromethyl tert-Butyl (Ellman) Sulfinimine—Ethanol Adducts.

ChemInform ◽

10.1002/chin.200629026 ◽

2006 ◽

Vol 37 (29) ◽

Author(s):

Scott D. Kuduk ◽

Christina Ng Di Marco ◽

Steven M. Pitzenberger ◽

Nancy Tsou

Keyword(s):

Grignard Reagents ◽

Addition Reactions ◽

Asymmetric Addition ◽

Tert Butyl

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ChemInform Abstract: Formation of Quaternary Chiral Centers by N-Heterocyclic Carbene-Cu-Catalyzed Asymmetric Conjugate Addition Reactions with Grignard Reagents on Trisubstituted Cyclic Enones.

ChemInform ◽

10.1002/chin.201102049 ◽

2010 ◽

Vol 42 (2) ◽

pp. no-no

Author(s):

Stefan Kehrli ◽

David Martin ◽

Diane Rix ◽

Marc Mauduit ◽

Alexandre Alexakis

Keyword(s):

Conjugate Addition ◽

Grignard Reagents ◽

Addition Reactions ◽

Cyclic Enones ◽

Chiral Centers

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ChemInform Abstract: Synthesis of Ar-BINMOL Ligands by [1,2]-Wittig Rearrangement to Probe Their Catalytic Activity in 1,2-Addition Reactions of Aldehydes with Grignard Reagents.

ChemInform ◽

10.1002/chin.201324052 ◽

2013 ◽

Vol 44 (24) ◽

pp. no-no

Author(s):

Long-Sheng Zheng ◽

Ke-Zhi Jiang ◽

Yuan Deng ◽

Xing-Feng Bai ◽

Guang Gao ◽

...

Keyword(s):

Catalytic Activity ◽

Grignard Reagents ◽

Addition Reactions ◽

Wittig Rearrangement

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Asymmetric addition reactions of Grignard reagents to chiral 2-trifluoromethyl tert-butyl (Ellman) sulfinimine–ethanol adducts

Tetrahedron Letters ◽

10.1016/j.tetlet.2006.01.154 ◽

2006 ◽

Vol 47 (14) ◽

pp. 2377-2381 ◽

Cited By ~ 31

Author(s):

Scott D. Kuduk ◽

Christina Ng Di Marco ◽

Steven M. Pitzenberger ◽

Nancy Tsou

Keyword(s):

Grignard Reagents ◽

Addition Reactions ◽

Asymmetric Addition ◽

Tert Butyl

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Action of Grignard Reagents. XXIII. Action of Organomagnesium Compounds on Saturated and Unsaturated Azlactones. Addition Reactions of Mercaptans and Piperidine with Unsaturated Azlactones

The Journal of Organic Chemistry ◽

10.1021/jo01054a030 ◽

1962 ◽

Vol 27 (7) ◽

pp. 2406-2411 ◽

Cited By ~ 11

Author(s):

Ahmed Mustafa ◽

Mohamed Mohamed Mohamed Sallam

Keyword(s):

Grignard Reagents ◽

Addition Reactions ◽

Organomagnesium Compounds

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Sequential Addition Reactions of Two Molecules of Grignard Reagents to Thioformamides

The Journal of Organic Chemistry ◽

10.1021/jo900915n ◽

2009 ◽

Vol 74 (15) ◽

pp. 5703-5706 ◽

Cited By ~ 26

Author(s):

Toshiaki Murai ◽

Kazuki Ui ◽

Narengerile

Keyword(s):

Grignard Reagents ◽

Addition Reactions ◽

Sequential Addition

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Formation of Quaternary Stereogenic Centers by NHC-Cu-Catalyzed Asymmetric Conjugate Addition Reactions with Grignard Reagents on Polyconjugated Cyclic Enones

Chemistry - A European Journal ◽

10.1002/chem.201200502 ◽

2012 ◽

Vol 18 (28) ◽

pp. 8731-8747 ◽

Cited By ~ 69

Author(s):

Matthieu Tissot ◽

Daniele Poggiali ◽

Hélène Hénon ◽

Daniel Müller ◽

Laure Guénée ◽

...

Keyword(s):

Conjugate Addition ◽

Grignard Reagents ◽

Addition Reactions ◽

Stereogenic Centers ◽

Cyclic Enones ◽

Quaternary Stereogenic Centers

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Understanding the high diastereofacial discrimination in nucleophilic additions to nitrones: the first ab initio study on the nucleophilic addition reactions of chiral nitrones with Grignard reagents

Tetrahedron ◽

10.1016/s0040-4020(01)00784-0 ◽

2001 ◽

Vol 57 (38) ◽

pp. 8125-8128 ◽

Cited By ~ 20

Author(s):

Pedro Merino ◽

Tomás Tejero

Keyword(s):

Ab Initio ◽

Nucleophilic Addition ◽

Grignard Reagents ◽

Addition Reactions ◽

Nucleophilic Additions ◽

Ab Initio Study

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