22
2. Aus a b-Thiocarbaminat:
H
H—H-
H—
H
CH*—
CH,
—H
H
—CH,
H
/
H—
\C = S u. H
CHs-
CH,
-NH-C- NH
—H
H
—CH.,
H
H—
H
CHs-
H
H
—H
H
-CH,
CH,
N x N—H H-N
Esothioharnstoff Sp. 77° und n b-Thioharnstoff Sp. 199—200°.
3. Aus ß a-Thiocarbaminat:
S
H
H-
H-
CH,-
H
NH-C-NH
-H
-H
H—
H
—CH, CH,-
CH, CH,
H
—H
H
—CH,
H
H-N N-H
ß a-Thioharnstoff Sp. 164—165°.
4. Aus ß b-Tiocarbaminat:
S
H
H—
H
CH,—
H
NH-C-NH-
—H
H
H-
H
-CH, CH,—
CH, CH,
H
—H
H
-CH,
H
N-H H-N
ß b-Thioharnstoff Sp. 171—172°.