- the
dithioacetals, with the
formula R−CH(−SR')2 (symmetric
dithioacetals) or R−CH(−SR')−SR" (asymmetric
dithioacetals). The
symmetric dithioacetals are...
-
alkane via a
dithioacetal. The
reaction scheme is as follows: The
ketone or
aldehyde is
activated by
conversion to
cyclic dithioacetal by
reaction with...
- ketones, acyl halides, and
iminium salts,
which after hydrolysis of
dithioacetals can
yield ketones, β-hydroxyketones, α-hydroxyketones, 1,2-****tones...
-
diethyl sulfine, CH3CH(SO2C2H5)2 (which is
formed by the
oxidation of
dithioacetal with pot****ium permanganate). It
crystallizes in
prisms melting at 125...
-
chloral hydrate is used as a
reagent for the
deprotection of acetals,
dithioacetals and
tetrahydropyranyl ethers in
organic solvents. The
compound can be...
- 3-dichloro-2-butene 4 to give the
intermediate 5.
Hydrolysis of the
dithioacetal protecting group with
concentrated sulfuric acid
yields 2,5-undecanedione...
-
oxidation of
thiols to disulfides.
Claycop is also used to
convert dithioacetals to carbonyls. A
related reagent based on
montmorillonite has proven...
- (CH2S)2(CHR′S) + H2O → R′CHO + ....
Trithiane is the
dithioacetal of formaldehyde.
Other dithioacetals undergo similar reactions to the above. It is also...
-
reactions such as cyclisation. With
diaddition the 1,2-disulfide or the 1,1-
dithioacetal forms.
Reported catalysts for
radical additions are triethylborane, indium(III)...
- Nguyen, H. D.; Chung, J. Y. L. (1984). "Cationic
cyclization of
ketene dithioacetals. A
general synthesis of pyrrolizidine, indolizidine, and quinolizidine...
