Research Article

Fine Structures of 8-G-1-( - ) (G = H, Cl, and Br) in Crystals and Solutions: Ethynyl Influence and Y- and G-Dependences

Table 2

and NMR chemical shifts in , together with those in and (a,b).

YOMeMeHFClCNNO2

bcadefg
1
7.7797.7877.7987.8037.8097.8457.857
8.0108.0198.0338.0388.0458.0878.102
240.9241.4241.4240.5241.3243.9244.9
2
8.3688.3718.3778.3388.3268.2988.309
327.1329.2327.9327.7329.0332.7334.2
3
8.4328.4308.4408.3998.389
323.1325.2323.7323.7324.8
7
8.9298.8898.8848.8568.8098.6988.666
236.8242.4249.0245.4247.5275.2279.3
8
7.2607.2617.2377.1997.2207.1817.185
8.3748.3658.3528.3578.3638.3638.370
497.3503.4512.3502.2505.3504.1509.8

(a) In CDCl3. (b) From TMS for (H) and from for .