Proximity Effects. XXXV. Stereospecific Synthesis and Acetolysis ofcis- andtrans-5-Methylcyclooctyl Tosylates

1963 ◽  
Vol 85 (23) ◽  
pp. 3743-3747 ◽  
Author(s):  
Arthur C. Cope ◽  
David M. Gale
Keyword(s):  
Proximity Effects ◽  
Stereospecific Synthesis

Proximity effects. XLVI. Stereospecific synthesis of cis- and trans-4-phenylcyclooctanol

1967 ◽  
Vol 89 (12) ◽  
pp. 2932-2936 ◽  
Author(s):  
Arthur C. Cope ◽  
Michael A. McKervey ◽  
Ned M. Weinshenker
Keyword(s):  
Proximity Effects ◽  
Stereospecific Synthesis ◽  
Cis And Trans

Processing cost and its consequences

2016 ◽  
Vol 39 ◽  
Author(s):  
William O'Grady
Keyword(s):  
Word Order ◽  
Proximity Effects ◽  
Processing Cost

AbstractI focus on two challenges that processing-based theories of language must confront: the need to explain why language has the particular properties that it does, and the need to explain why processing pressures are manifested in the particular way that they are. I discuss these matters with reference to two illustrative phenomena: proximity effects in word order and a constraint on contraction.

ANALYSIS OF PROXIMITY EFFECTS BETWEEN SPIN SINGLET AND SPIN TRIPLET SUPERCONDUCTORS

1978 ◽  
Vol 39 (C6) ◽  
pp. C6-481-C6-483 ◽  
Author(s):  
K. Scharnberg ◽  
D. Fay ◽  
N. Schopohl
Keyword(s):  
Proximity Effects ◽  
Spin Singlet ◽  
Spin Triplet

Stereospecific Synthesis of m-Hydroxymexiletine Enantiomers

2013 ◽  
Vol 6 (3) ◽  
pp. 182-186 ◽  
Author(s):  
Alessia Catalano ◽  
Alessia Carocci ◽  
Giovanni Lentini ◽  
Ivana Defrenza ◽  
Claudio Bruno ◽  
...  
Keyword(s):  
Stereospecific Synthesis

Proximity and conformation effects in 29Si and 13C NMR spectra of di-ortho substituted trimethylsiloxybenzenes

1990 ◽  
Vol 55 (8) ◽  
pp. 2027-2032 ◽  
Author(s):  
Jan Schraml ◽  
Robert Brežný ◽  
Jan Čermák
Keyword(s):  
Benzene Ring ◽  
13C Nmr ◽  
Proximity Effect ◽  
Nmr Spectra ◽  
Methoxy Group ◽  
Chemical Shifts ◽  
Proximity Effects ◽  
13C Nmr Spectra ◽  
Methoxy Groups ◽  
C Nmr

29Si and 13C NMR spectra of five 4-substituted 2,6-dimethoxytrimethylsiloxybenzenes were studied with the aim to elucidate the nature of the deshielding proximity effects observed in the spectra of ortho substituted trimethylsiloxybenzenes. The sensitivity of 29Si chemical shifts to para substitution is in the studied compounds essentially the same as in mono ortho methoxytrimethylsiloxybenzenes. The deshielding proximity effect of the ìsecondî methoxy group is somewhat smaller than that of the ìfirstî group. The present results indicate that the two methoxy groups assume coplanar conformations with the benzene ring and are turned away from the trimethylsiloxy group which is not in the benzene plane. It is argued that in mono ortho methoxytrimethylsiloxybenzenes the two substituent groups adopt the same conformations as in the compounds studied here.

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