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O
O
O
O
LiAlH
4
CH
3
COSH
CH
3
SO
2
Cl
S
Pr NH
2
OH
OH
O
S
SH
8
8
NEt
3
,CH
2
Cl
2
8
KO
t
-Bu
8
8
Scheme 4.27 The synthesis of bio-based 10-undecene-1-thiol.
61
O
TMDS, GaBr
3
HS
SH
O
O
O
RT, 1 h
8
8
8
8
8
8
DTUE
UE
SH
SH
DTL
Scheme 4.28 The synthesis of dithiols (DTUE and DTL) from bio-based di-unsaturated materials.
55
DTUE and DTL were later reacted with
undecenylic ether (UE) to form polymers via a thiol-ene reaction. TMDS: tetramethyldisiloxane.
