The reactions of arenesulphonyl azides with tetrahydropyrido[1,2-a]indoles and the X-ray crystallographic structure determination of a resultant novel zwitterion, 1,2,3,4-tetrahydro-10-methyl-4a-p-tolylsulphonylaminopyrido[1,2-a] indole

1979 ◽  
Vol 57 (5) ◽  
pp. 558-564 ◽  
Author(s):  
T. Stanley Cameron ◽  
Ruth E. Cordes ◽  
Aris Terzis ◽  
A. Sydney Bailey ◽  
Peter W. Scott
Keyword(s):  
Structure Determination ◽  
Crystallographic Structure ◽  
X Ray ◽  
X Ray Crystallography ◽  
Ring Enlargement

The reactions of arenesulphonyl azides with tetrahydropyrido[1,2-a]indoles have been examined. Compounds formed by elimination and by ring enlargement are obtained, including a compound with a novel zwitterion structure. The structure of this compound has been determined by X-ray crystallography.

scholarly journals X-ray crystallographic structure determination of the smoke-derived karrikin KAR3

2013 ◽  
Vol 88 ◽  
pp. 107-109 ◽  
Author(s):  
J.J. Nair ◽  
O.Q. Munro ◽  
M. Pošta ◽  
H.B. Papenfus ◽  
P. Beier ◽  
...  
Keyword(s):  
Structure Determination ◽  
Crystallographic Structure ◽  
X Ray

scholarly journals Howard Flack and the Flack Parameter

Chemistry ◽  
2020 ◽  
Vol 2 (4) ◽  
pp. 796-804
Author(s):  
David John Watkin ◽  
Richard Ian Cooper
Keyword(s):  
Structure Determination ◽  
Standard Uncertainty ◽  
Crystallographic Structure ◽  
X Ray ◽  
Original Algorithm ◽  
X Ray Crystallography ◽  
Chiral Materials

The Flack Parameter is now almost universally reported for all chiral materials characterized by X-ray crystallography. Its elegant simplicity was an inspired development by Howard Flack, and although the original algorithm for its computation has been strengthened by other workers, it remains an essential outcome for any crystallographic structure determination. As with any one-parameter metric, it needs to be interpreted in the context of its standard uncertainty.

The synthesis and properties of two stable benzo[c]furans. An x-ray crystallographic structure determination of the geometry of 1-cyano-5,6-(methylenedioxy)benzo[c]furan

1986 ◽  
Vol 51 (21) ◽  
pp. 3973-3978 ◽  
Author(s):  
Russell Rodrigo ◽  
Susan M. Knabe ◽  
Nicholas J. Taylor ◽  
Dayananda Rajapaksa ◽  
Michael J. Chernishenko
Keyword(s):  
Structure Determination ◽  
Crystallographic Structure ◽  
X Ray

ChemInform Abstract: X-Ray Crystallographic Structure Determination of Some Unique Chiral Sultam Derivatives.

ChemInform ◽  
2010 ◽  
Vol 28 (24) ◽  
pp. no-no
Author(s):  
H. KAKUDA ◽  
T. SUZUKI ◽  
Y. TAKEUCHI ◽  
M. SHIRO
Keyword(s):  
Structure Determination ◽  
Crystallographic Structure ◽  
X Ray
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