PROCESS FOR PREPARING AN ALKOXYMETHYL ALKYNYL ETHER COMPOUND HAVING A TERMINAL TRIPLE BOND
申请人:Shin-Etsu Chemical Co., Ltd.
公开号:US20210198172A1
公开(公告)日:2021-07-01
The present invention provides a process for preparing an alkoxymethyl alkynyl ether compound having a terminal triple bond of the following formula (4): H—C≡C(CH
2
)
a
OCH
2
OCH
2
R (4), wherein R represents a hydrogen atom, an n-alkyl group having 1 to 9 carbon atoms, or a phenyl group, and “a” represents an integer of 1 to 10, the method comprising subjecting an alkynol compound having a terminal triple bond of the following formula (1): H—C≡C(CH
2
)
a
OH (1), wherein “a” is as defined above, to an alkoxymethylation with a halomethyl alkyl ether compound of the following formula (3): RCH
2
OCH
2
X (3), wherein X represents a halogen atom, and R is as defined above, in the presence of a dialkylaniline compound of the following formula (2): [CH
3
(CH
2
)
b
][CH
3
(CH
2
)
c
]NC
6
H
5
(2), wherein b and c represent, independently of each other, an integer of 0 to 9, to form the alkoxymethyl alkynyl ether compound (4) having a terminal triple bond.
本发明提供了一种制备具有以下式(4)的末端三键的烷氧甲基炔基醚化合物的方法:H—C≡C(CH2)aOCH2OCH2R (4),其中R代表氢原子、具有1至9个碳原子的n-烷基基团或苯基,而“a”代表1至10的整数,所述方法包括将具有以下式(1)末端三键的炔醇化合物进行烷氧甲基化,其中H—C≡C(CH2)aOH (1),其中“a”如上所定义,与具有以下式(3)的卤甲基烷醚化合物进行反应:RCH2OCH2X (3),其中X代表卤素原子,R如上所定义,在存在以下式(2)的二烷基苯胺化合物的情况下进行,[CH3(CH2)b][CH3(CH2)c]NC6H5(2),其中b和c独立地代表0至9的整数,以形成具有末端三键的烷氧甲基炔基醚化合物(4)。