天然产物复习思考题 - 百度文库

AOHHOOONOBOHHOOONCHOOHO1

ON

AONCH3HOCOCH2OHCHBNCH3HOCOCH2OHCHCNCH3HOCOCH2OHCH2

HO

7днṹơ

NH

N

N

NNNCH3

HH

NNNNNNN

8ҪѧɷʲôǵĻѧṹʲôͬη룿 95֣TLCΪչΪȷ£״ϵͳչaRfֵ̫Сb Rfֵ̫c β ӦֱȡЩ

10ijҩҪɷ֣֪ܼк³ɷ֣ 識尷Ƿ尷ˮʡ֬з̣ԽÿֳɷֵֿܳIJλС

11ѧи黯

塢 1

HHNH

N

N

NNCH3

NNNN

N

N

N

N

N

2

O

+-NOH O OCH3ַ

EtOH½Ũ

EtOHŨҺ

á˹ Һ

ŨHCl ɫ

OCH33ļǿ뵪ԭӵӻȡյЧӦյ-ЧӦЧӦռЧӦԼγɵйء

1ԭӵӻȣеԭӹµӶԴӻУǿӻ߶ǿsp3>sp2>sp

2յЧӦеԭϵܶܵйȣ緼Ѽ˫ǻȣյЧӦӰ졣ʹܶ࣬Աǿ򽵵͵ܶȣ磺ǿǣװpKa10.70> װpKa10.64> pKa9.75

3յ-ЧӦͬʱԭʱʹ䴦ȫͬвġһһԭӻ󣬾Ͳһǿ +NHR2 ʱԵڶԭӲּԽЧӦյЧӦ;ЧӦǰ̼ͨݣ̼ͨ͡ռֱãֳΪֱЧӦ߿ͳΪյ-ЧӦʱǿ͵ڶԭڿռϽӽʱֱЧӦȵӰ͸ռԶ˴յ-ЧӦӰС

4ЧӦеԭӹµӶԳp-pϵʱͨ£Խгp-pЧӦҪͣ͡ϩͺ͡

ٱͣԭϹµӶ뱽p-ӳ p-pϵԣpKa4.58ӦĻpKa10.14Ķࡣ ϩͣͨϩƽ⣺

ͣԭӴṹУڵԭӹµӶʻp-p

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