METHOD FOR PRODUCING COMPOUND HAVING ACID-LABILE GROUP
申请人:Kyowa Hakko Chemical Co., Ltd.
公开号:EP1661918A1
公开(公告)日:2006-05-31
The present invention provides a process for producing a compound having a group represented by general formula (II):
(wherein R1, R2, and R3 may be the same or different, and each represent a substituted or unsubstituted alkyl, a substituted or unsubstituted aryl, or a substituted or unsubstituted aralkyl, or R1 and R2 may bind to each other to form an alicyclic hydrocarbon ring together with the adjacent carbon atoms, or R2 and R3 may bind to each other to form a alicyclic heterocyclic ring together with the adjacent O-C-C that may have a substituent), which comprises allowing a compound having a hydroxyl group to react with halogenated alkyl ether represented by general formula (I):
(wherein R1, R2, and R3 are the same as those defined above, respectively and X represents a halogen atom).
Torsional effects on reactivity in glycosyl transfer
作者:Kathryn E. S. Dean、Anthony J. Kirby、Igor V. Komarov
DOI:10.1039/b106257n
日期:2002.1.23
the parent tetrahydropyranyl acetal. The magnitude of the steric contribution to this factor is assessed by measuring the effect of four equatorial methyl groups on the rate of hydrolysis of 4-nitrophenyl tetrahydropyranyl acetal. Though the electronic effects of methyl substituents will be to increase the rate of hydrolysis, the net effect of the four equatorial methyl groups is a 4-fold decrease,
Method for producing compound having acid-labile group
申请人:Matsuoka Hiroshi
公开号:US20060177763A1
公开(公告)日:2006-08-10
The present invention provides a process for producing a compound having a group represented by general formula (II).
(wherein R
1
, R
2
, and R
3
may be the same or different, and each represent a substituted or unsubstituted alkyl, a substituted or unsubstituted aryl, or a substituted or unsubstituted aralkyl, or R
1
and R
2
may bind to each other to form an alicyclic hydrocarbon ring together with the adjacent carbon atoms, or R
2
and R
3
may bind to each other to form a alicyclic heterocyclic ring together with the adjacent O—C—C that may have a substituent), which comprises allowing a compound having a hydroxyl group to react with halogenated alkyl ether represented by general formula (I):
(wherein R
1
, R
2
, and R
3
are the same as those defined above, respectively and X represents a halogen atom).
PROCESS FOR PRODUCING COMPOUND HAVING ACID-LABILE GROUP
申请人:Matsuoka Hiroshi
公开号:US20090035702A1
公开(公告)日:2009-02-05
The present invention provides a process for producing a compound having a group represented by general formula (II):
(wherein R
1
, R
2
, and R
3
may be the same or different, and each represent a substituted or unsubstituted alkyl, a substituted or unsubstituted aryl, or a substituted or unsubstituted aralkyl, or R
1
and R
2
may bind to each other to form an alicyclic hydrocarbon ring together with the adjacent carbon atoms, or R
2
and R
3
may bind to each other to form a alicyclic heterocyclic ring together with the adjacent O—C—C that may have a substituent), which comprises allowing a compound having a hydroxyl group to react with halogenated alkyl ether represented by general formula (I):
(wherein R
1
, R
2
, and R
3
are the same as those defined above, respectively and X represents a halogen atom).