在文献中看到“γ effect ”这个概念,不知道是什么意思,有没有哪位高人指点下?4 h5 n! l% J+ {+ c( I
原文是这样说的: a 'tentative assignment is proposed.+ K7 `( p, T! o
Such an assignment is based on consideration of the
8 y5 [, ]9 j! u) B7 V' a6 U“γ effect,” i.e. the steric polarization shift which
N/ ?2 A. L1 ^5 R4 s7 Dhas been observed whenever a carbon is close to a, K% }0 A1 K" {; y1 n
γ-carbon or a γ-oxygen.
. }) n3 E9 K' X不明白这句话的意思,steric polarization shift 指的是什么啊,望不吝赐教,谢谢! |