鏍哥鍏辨尟娉㈣氨娉?/p>
涓�銆佸～绌洪
1. NMR
娉?/p>
涓奖
鍝嶈川
瀛愬寲瀛?/p>
浣嶇Щ
鍊肩殑鍥?/p>
绱?/p>
鏈夛細
__________
锛?/p>
___________
锛?/p>
__________
銆?/p>
锛?/p>
锛?/p>
銆?/p>
2.
1
H
鐨勬牳纾佺煩鏄?/p>
2.7927
鏍哥瀛?/p>
,
11
B
鐨勬牳纾佺煩鏄?/p>
2.6880
鏍哥瀛?/p>
,
鏍歌嚜鏃嬮噺瀛愭暟涓?/p>
3/2
锛屽湪
1.000T
纾佸満涓?/p>
,
1
H
鐨?/p>
NMR
鍚告敹棰戠巼鏄?/p>
________MHz,
11
B
鐨勮嚜鏃嬭兘绾у垎瑁?
涓?/p>
_______
涓?/p>
,
鍚告敹棰戠巼鏄?/p>
________MHz
(1
鏍哥瀛?/p>
=5.051
脳
10
-27
J/T,
h
=6.626
脳
10
-34
J
路
s)
3.
鍖栧悎鐗?/p>
C
6
H
12
O,
鍏剁孩澶栧厜璋卞湪
1720cm
-1
闄勮繎鏈?/p>
1
涓己鍚告敹宄帮紝
1HNMR
璋卞浘涓?/p>
,
鏈変袱缁勫崟宄?/p>
d
a
=0.9,
d
b
=2.1,
宄伴潰绉箣姣?/p>
a:b =3:1, a
涓?/p>
_______
鍩哄洟
, b
涓?/p>
_________
鍩哄洟
,
鍏剁粨鏋勫紡鏄?/p>
__________________
銆?/p>
4.
鑻�佷箼鐑�佷箼鐐斻�佺敳閱?/p>
,
鍏?/p>
1
H
鍖栧浣嶇Щ鍊?/p>
d
鏈�澶х殑鏄?/p>
_______
鏈�灏忕殑鏄?/p>
_________,
13
C
鐨?/p>
d
鍊兼渶澶х殑鏄?/p>
_________
鏈�灏忕殑鏄?/p>
____________
銆?/p>
浜屻�侀�夋嫨棰?/p>
1.
鑷棆鏍?/p>
7
Li
銆?/p>
11
B
銆?/p>
75
As,
瀹冧滑鏈夌浉鍚岀殑鑷棆閲忓瓙鏁?/p>
螜
=3/2,
纾佺煩
渭
鍗曚綅涓烘牳纾?/p>
瀛愶紝
m
Li
=3.2560,
m
B
=2.6880,
m
As
=1.4349
鐩稿悓棰戠巼灏勯鐓у皠
,
鎵�闇�鐨勭鍦哄己
搴?/p>
H
澶у皬椤哄簭涓?/p>
(1)
B
Li
>
B
B
>
B
As
(2)
B
As
>
B
B
>
B
Li
(3)
B
B
>
B
Li
>
B
As
(4)
B
Li
>
B
As
>
B
Li
2.
鍦?/p>
O
-
H
浣?/p>
绯?/p>
涓?/p>
锛?/p>
璐?/p>
瀛?/p>
鍙?/p>
姘?/p>
鏍?/p>
鑷?/p>
鏃?/p>
锛?/p>
鑷?/p>
鏃?/p>
鍋?/p>
鍚?/p>
浜?/p>
鐢?/p>
澶?/p>
灏?/p>
涓?/p>
宄?/p>
?
( )
(1) 2 (2) 1 (3) 4 (4) 3
3.
涓嬪垪鍖栧悎鐗╃殑
1HNMR
璋?/p>
,
鍚勭粍宄板叏鏄崟宄扮殑鏄?/p>
( )
(1) CH
3
-OOC-CH
2
CH
3
(2) (CH
3
)
2
CH-O-CH(CH
3
)
2
(3) CH
3
-OOC-CH
2
-COO-CH
3
(4) CH
3
CH
2
-OOC-CH
2
CH
2
-COO-CH
2
CH
3
4.
涓�绉嶇函鍑�鐨勭鍩虹敳鑻殑
NMR
鍥捐氨涓嚭鐜颁簡
3
缁勫嘲
,
鍏朵腑涓�涓槸鍗曞嘲
,
涓�缁勬槸浜?/p>
閲嶅嘲锛?/p>
涓�缁勬槸涓夐噸宄?/p>
.
璇ュ寲鍚堢墿鏄笅鍒楃粨鏋勪腑鐨?/p>
( )