Absolute asymmetric synthesis. III. Hindered rotation about aryl-ethylene bonds in the excited states of diaryl ethylenes. Structural effects on the asymmetric synthesis of 2- and 4-substituted hexahelicenes

William J. Bernstein; Melvin. Calvin; Ole. Buchardt

doi:10.1021/ja00783a036

Absolute asymmetric synthesis. III. Hindered rotation about aryl-ethylene bonds in the excited states of diaryl ethylenes. Structural effects on the asymmetric synthesis of 2- and 4-substituted hexahelicenes

Journal of the American Chemical Society ◽

10.1021/ja00783a036 ◽

1973 ◽

Vol 95 (2) ◽

pp. 527-532 ◽

Cited By ~ 46

Author(s):

William J. Bernstein ◽

Melvin. Calvin ◽

Ole. Buchardt

Keyword(s):

Asymmetric Synthesis ◽

Excited States ◽

Structural Effects ◽

Hindered Rotation ◽

Absolute Asymmetric Synthesis

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ChemInform Abstract: ABSOLUTE ASYMMETRIC SYNTHESIS PART 3, HINDERED ROTATION ABOUT ARYL-ETHYLENE BONDS IN THE EXCITED STATES OF DIARYL ETHYLENES, STRUCTURAL EFFECTS ON THE ASYMMETRIC SYNTHESIS OF 2- AND 4-SUBSTITUTED HEXAHELICENES

Chemischer Informationsdienst ◽

10.1002/chin.197329272 ◽

1973 ◽

Vol 4 (29) ◽

pp. no-no

Author(s):

WILLIAM J. BERNSTEIN ◽

MELVIN CALVIN ◽

OLE BUCHARDT

Keyword(s):

Asymmetric Synthesis ◽

Excited States ◽

Structural Effects ◽

Hindered Rotation ◽

Absolute Asymmetric Synthesis

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Absolute asymmetric synthesis. II. (1) on the mechanism of the synthesis of nonracemic helicenes with circularly polarized light. Structural effects.

Tetrahedron Letters ◽

10.1016/s0040-4039(01)84804-8 ◽

1972 ◽

Vol 13 (22) ◽

pp. 2195-2198 ◽

Cited By ~ 21

Author(s):

William J. Bernstein ◽

Melvin Calvin ◽

Ole Buchardt

Keyword(s):

Asymmetric Synthesis ◽

Polarized Light ◽

Structural Effects ◽

Circularly Polarized Light ◽

Circularly Polarized ◽

Absolute Asymmetric Synthesis

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First absolute asymmetric synthesis with circularly polarized synchrotron radiation in the vacuum ultraviolet region: direct photoderacemization of (E)-cyclooctene

Chemical Communications ◽

10.1039/cc9960002627 ◽

1996 ◽

pp. 2627 ◽

Cited By ~ 28

Author(s):

Yoshihisa Inoue ◽

Hiroshi Tsuneishi ◽

Tadao Hakushi ◽

Kazutoshi Yagi ◽

Koichi Awazu ◽

...

Keyword(s):

Synchrotron Radiation ◽

Asymmetric Synthesis ◽

Vacuum Ultraviolet ◽

Ultraviolet Region ◽

Circularly Polarized ◽

Absolute Asymmetric Synthesis ◽

Vacuum Ultraviolet Region

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Absolute asymmetric synthesis. I. Mechanism of the photochemical synthesis of nonracemic helicenes with circularly polarized light. Wavelength dependence of the optical yield of octahelicene

Journal of the American Chemical Society ◽

10.1021/ja00757a029 ◽

1972 ◽

Vol 94 (2) ◽

pp. 494-498 ◽

Cited By ~ 85

Author(s):

William J. Bernstein ◽

Melvin Calvin ◽

Ole Buchardt

Keyword(s):

Asymmetric Synthesis ◽

Polarized Light ◽

Wavelength Dependence ◽

Photochemical Synthesis ◽

Optical Yield ◽

Light Wavelength ◽

Circularly Polarized Light ◽

Circularly Polarized ◽

Absolute Asymmetric Synthesis

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Absolute Asymmetric Synthesis of Tertiary α-Amino Acids

Angewandte Chemie ◽

10.1002/ange.201200950 ◽

2012 ◽

Vol 124 (20) ◽

pp. 5065-5068 ◽

Cited By ~ 6

Author(s):

Thi Thoa Mai ◽

Mathieu Branca ◽

Didier Gori ◽

Régis Guillot ◽

Cyrille Kouklovsky ◽

...

Keyword(s):

Amino Acids ◽

Asymmetric Synthesis ◽

Absolute Asymmetric Synthesis

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ChemInform Abstract: Absolute Asymmetric Synthesis: The Origin, Control, and Amplification of Chirality

ChemInform ◽

10.1002/chin.200008287 ◽

2010 ◽

Vol 31 (8) ◽

pp. no-no

Author(s):

Ben L. Feringa ◽

Richard A. van Delden

Keyword(s):

Asymmetric Synthesis ◽

Absolute Asymmetric Synthesis ◽

Amplification Of Chirality

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Absolute Asymmetric Synthesis and Asymmetric Catalysis

The Origin of Life on the Earth ◽

10.1016/b978-1-4831-9737-1.50022-9 ◽

1959 ◽

pp. 158-168 ◽

Cited By ~ 3

Author(s):

E.I. KLABUNOVSKIÎ

Keyword(s):

Asymmetric Synthesis ◽

Asymmetric Catalysis ◽

Absolute Asymmetric Synthesis

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Absolute Asymmetric Synthesis by Irradiation of Chiral Crystals

Organic Synthesis Set ◽

10.1002/9783527620784.ch16b ◽

2003 ◽

pp. 89-95

Author(s):

Gerd Kaupp ◽

Michael Haak

Keyword(s):

Asymmetric Synthesis ◽

Absolute Asymmetric Synthesis ◽

Chiral Crystals

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ChemInform Abstract: PHOTOINDUCED REACTION. 142. INTRAMOLECULAR HYDROGEN ABSTRACTION FROM TRIPLET STATES OF 2,4,6-TRIISOPROPYLBENZOPHENONES: IMPORTANCE OF HINDERED ROTATION IN EXCITED STATES

Chemischer Informationsdienst ◽

10.1002/chin.198339125 ◽

1983 ◽

Vol 14 (39) ◽

Author(s):

Y. ITO ◽

H. NISHIMURA ◽

Y. UMEHARA ◽

Y. YAMADA ◽

M. TONE ◽

...

Keyword(s):

Excited States ◽

Hydrogen Abstraction ◽

Triplet States ◽

Hindered Rotation ◽

Photoinduced Reaction ◽

Intramolecular Hydrogen

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A Different Approach to Enantioselective Organic Synthesis: Absolute Asymmetric Synthesis of Organometallic Reagents

Angewandte Chemie ◽

10.1002/ange.200806222 ◽

2009 ◽

Vol 121 (17) ◽

pp. 3183-3186 ◽

Cited By ~ 16

Author(s):

Anders Lennartson ◽

Susanne Olsson ◽

Jonas Sundberg ◽

Mikael Håkansson

Keyword(s):

Asymmetric Synthesis ◽

Organic Synthesis ◽

Organometallic Reagents ◽

Absolute Asymmetric Synthesis

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