BRANCHED MONODISPERSED POLYETHYLENE GLYCOL, INTERMEDIATE AND METHODS FOR PRODUCING SAME
申请人:NOF CORPORATION
公开号:US20210009757A1
公开(公告)日:2021-01-14
A branched monodispersed polyethylene glycol represented by the formula (1):
wherein X
1
is a functional group that forms a covalent bond upon a reaction with a functional group present in a biofunctional molecule; n is an integer of 4 to 50, which represents number of repeating units of ethylene oxide units; and L
1
represents a single bond, —NH—, -L
2
-(CH
2
)
m1
— or -L
2
-(CH
2
)
m1
-L
3
-(CH
2
)
2
-, L
2
represents an ether bond, an amide bond, an urethane bond or a single bond, L
3
represents an ether bond, an amide bond or an urethane bond, and m1 and m2 represent each independently an integer of 1 to 5.
US5567783A
申请人:——
公开号:US5567783A
公开(公告)日:1996-10-22
Weber, Edwin, Liebigs Annalen der Chemie, 1983, # 5, p. 770 - 801