R. Helgeson
发表
F. Wudl,
L. Chen,
D. Mcbranch,
1999,
Proceedings of the National Academy of Sciences of the United States of America.
Liang Tong,
Gaetano T Montelione,
Donald Hilvert,
2012,
Journal of the American Chemical Society.
B. Dunn,
F. Wudl,
R. Helgeson,
2003
.
G. Gokel,
R. Helgeson,
D. Cram,
1974
.
G. Gokel,
R. Helgeson,
D. Cram,
1975
.
F. Wudl,
D. Mcbranch,
R. Helgeson,
1999
.
R. Helgeson,
P. Bartlett,
G. N. Fickes,
1970
.
R. Helgeson,
D. Cram,
J. Timko,
1977
.
R. Helgeson,
C. Knobler,
D. Cram,
1988
.
Spherands, the first ligand systems fully organized during synthesis rather than during complexation
R. Helgeson,
C. Knobler,
D. Cram,
1981
.
R. Helgeson,
D. Cram,
J. Mazaleyrat,
1981
.
R. Helgeson,
C. Knobler,
D. Cram,
1993
.
R. Helgeson,
C. Knobler,
D. Cram,
1985
.
R. Helgeson,
C. Knobler,
K. Trueblood,
2000,
Acta crystallographica. Section C, Crystal structure communications.
R. Helgeson,
C. Knobler,
D. Cram,
1985
.
R. Helgeson,
C. Knobler,
D. Cram,
1995
.
Brian J. Levandowski,
Trevor A. Hamlin,
K. Houk,
2018,
The Journal of organic chemistry.
G. Gokel,
R. Helgeson,
D. Cram,
1977
.
Enrico Dalcanale,
Donald J. Cram,
Linda M. Tunstad,
1989
.
R. Helgeson,
D. Cram,
1966
.
R. Helgeson,
D. Cram,
K. Koga,
1978
.
R. Helgeson,
D. Cram,
G. Weisman,
1979
.
R. Helgeson,
D. Cram,
Richard A. Carmack,
1988
.
G. Gokel,
R. Helgeson,
D. Cram,
1978
.
R. Helgeson,
C. Knobler,
D. Cram,
1990
.
R. Helgeson,
C. Knobler,
D. Cram,
1986
.
R. Helgeson,
D. Cram,
T. Kaneda,
1979
.
R. Helgeson,
D. Cram,
L. Domeier,
1978
.
R. Helgeson,
D. Cram,
M. Newcomb,
1979
.
James M. Mayer,
Donald J. Cram,
Patrice Moreau,
1974
.
Donald J. Cram,
R. Helgeson,
D. Cram,
1981
.
G. Gokel,
R. Helgeson,
D. Cram,
1974
.
R. Helgeson,
D. Cram,
K. Koga,
1978
.
R. Helgeson,
D. Cram,
1966
.
R. Helgeson,
D. Cram,
Anand Kumar,
1989
.
G. Gokel,
R. Helgeson,
D. Cram,
1978
.
K. Houk,
R. Helgeson,
Hao Wang,
2013,
Angewandte Chemie.
K. Houk,
R. Helgeson,
Fang Liu,
2014,
Accounts of chemical research.
HOST‐GUEST COMPLEXATION. 22. RECIPROCAL CHIRAL RECOGNITION BETWEEN AMINO ACIDS AND DILOCULAR SYSTEMS
D. Walba,
R. Helgeson,
D. Cram,
1980
.
Donald J. Cram,
George W. Gokel,
G. Gokel,
1977
.
R. Helgeson,
D. Cram,
M. Newcomb,
1974,
Journal of the American Chemical Society.
R. Helgeson,
D. Cram,
M. Newcomb,
1975
.
R. Helgeson,
C. Knobler,
D. Cram,
1996
.
R. Helgeson,
D. Cram,
D. Lingenfelter,
2002
.
K. Houk,
R. Helgeson,
Amy E. Hayden,
2010,
The Journal of organic chemistry.
R. Helgeson,
D. Cram,
T. Tarnowski,
1979
.
R. Helgeson,
D. Cram,
K. Koga,
1973
.
K. Houk,
R. Helgeson,
Yi-Lei Zhao,
2006
.
R. Helgeson,
D. Cram,
S. Kurdistani,
1995
.
R. Helgeson,
D. Cram,
J. Timko,
1974
.
D. Hilvert,
K. Houk,
R. Helgeson,
2021,
Nature Chemistry.
R. Helgeson,
C. Knobler,
D. Cram,
1981
.
Host-guest complexation. 22. Reciprocal chiral recognition between amino acids and dilocular systems
D. Walba,
R. Helgeson,
D. Cram,
1980
.
R. Helgeson,
C. Knobler,
D. Cram,
2000
.
R. Helgeson,
C. Knobler,
D. Cram,
1997
.
R. Helgeson,
P. Bartlett,
Ortwin A. Wersel,
1968
.
R. Helgeson,
D. Cram,
J. Timko,
1973
.
R. Helgeson,
D. Cram,
D. Lock,
1966
.
B. Schwartz,
F. Wudl,
R. Helgeson,
2000
.
B. Schwartz,
R. Helgeson,
S. Roberts,
2007
.
Theo Siegrist,
Zhenan Bao,
Fred Wudl,
2003
.
David Whitten,
Roger Helgeson,
D. Mcbranch,
2002,
Journal of the American Chemical Society.
John R. Reynolds,
Fred Wudl,
Yang Yang,
1998,
Optics & Photonics.
Duncan W. McBranch,
Troy Bergstedt,
Robert Jones,
2001,
SPIE OPTO.
R. Helgeson,
D. Cram,
J. Timko,
1978
.
F. Wudl,
R. Helgeson,
P. Buchacher,
1998
.
D. Mcbranch,
R. Helgeson,
D. Whitten,
2001,
Proceedings of the National Academy of Sciences of the United States of America.
R. Helgeson,
C. Knobler,
D. Cram,
1986
.
R. Helgeson,
D. Cram,
K. Koenig,
1976
.