申请人:Tokyo University of Agriculture and Technology
公开号:US20230242480A1
公开(公告)日:2023-08-03
The present invention is intended to provide a compound useful to analyze a vitamin D compound. The present invention provides an alkyne compound represented by Formula (I):
where in Formula (I), A is a linear carbon chain having an alkynyl group at an end and having a vinyl group at another end; X
1
is CH or
13
CH; X
2
is CHY, CDY,
13
CHY,
13
CDY, CO,
13
CO, C
18
O, or
13
C
18
O; m is an integer from 1 to 4; when m is 2 or more, X
2
s are identical or different; Y is H, D, NH
2
,
15
NH
2
, OH,
18
OH, SH, OR, O(CO)R, OSO
3
H, OSO
3
Na, or a sugar substituent; when Formula (I) contains two or more Ys, Ys are identical or different; R is an alcohol protective group, an alkyl group, an alkenyl group, or an aryl group; X
3
is C or
13
C; and at least one selected from the group consisting of X
1
, X
2
(s), and X
3
is modified with a stable isotope D,
13
C,
18
O, or
15
N.