PROCESSES OF ENANTIOSELECTIVELY FORMING AN AMINOXY COMPOUND AND AN 1,2-OXAZINE COMPOUND
申请人:Zhong Guofu
公开号:US20110224429A1
公开(公告)日:2011-09-15
Disclosed is a process of enantioselectively forming an aminoxy compound of Formula (3)
In formula (3) R
1
is one of an aliphatic group and an alicyclic group. R
2
is one of hydrogen, an aliphatic group, an alicyclic group, an aromatic group, an arylaliphatic group and an arylalicyclic group. R
3
is one of hydrogen, halogen, hydroxyl, and an aliphatic group with a main chain having 1 to about 10 carbon atoms. The respective aliphatic, alicyclic, aromatic, arylaliphatic or arylalicyclic groups of R
1
, R
2
, and R
3
comprise 0 to about 3 heteroatoms independently selected from the group consisting of N, O, S, Se and Si. The process includes contacting a carbonyl compound of Formula (1)
and a nitroso compound of Formula (2)
in the presence of a chiral catalyst. The chiral catalyst is a compound of Formula (IX)
本公开了一种选择性形成化合物的过程,该化合物的化学式为(3)。在化学式(3)中,R1是脂肪族基团和脂环族基团中的一种。R2是氢、脂肪族基团、脂环族基团、芳香族基团、芳基脂肪族基团和芳基脂环族基团中的一种。R3是氢、卤素、羟基和主链含有1至约10个碳原子的脂肪族基团中的一种。R1、R2和R3的各自的脂肪、脂环、芳香、芳基脂肪或芳基脂环基团包括独立选择自N、O、S、Se和Si组成的0至约3个杂原子。该过程包括在手性催化剂的存在下接触化合物的化学式(1)和化合物的化学式(2)。该手性催化剂是化合物的化学式(IX)。