3
3
cln"Cox
H,KSO,
COOCH,
\
a V H C O N
C1
COOCH,C,H, VI
V
Iv-VI Compd
11I
I \'a
H H C1 C1 C1
IVb IVC IT'd
v
It?
C t j s t d froma
H H H
H
Cl
H
H \,I 1'11 C1 .I = l*:tOH, B = H?O, C way using pgrrolgllithium.
VI1
R3
A-B -4-B -4-B
37 1st
56 20 25 53 29
H =\-B CH:i C-B CHpCsH: -1 H THI;-P, DMF. * Satisfactory analyses were cibtaiiied for C, H,S.
HpSSOr HySSOy C1 H?SSO? =
Yield, %
"CON,
I11 It 6
Ciystd fiom'&
lb
COlllPd
1