Chemistry of carbon compounds – Miscellaneous organic carbon compounds – C-metal
Patent
1987-07-15
1989-01-24
Shippen, Michael L.
Chemistry of carbon compounds
Miscellaneous organic carbon compounds
C-metal
C07C14940
Patent
active
048000442
ABSTRACT:
Compounds of forumla XII ##STR1## wherein R.sub.1 is hydrogen and R.sub.2 is phenyl or benzyl are useful as intermediates in the preparation of 1,2-dithiolane-3-pentanoic acid (D,L-thioctic acid) of formula IX ##STR2##
REFERENCES:
patent: 2809978 (1957-10-01), Holly et al.
patent: 3002011 (1961-09-01), Holly et al.
patent: 3033882 (1962-05-01), Joullie et al.
patent: 3223712 (1965-12-01), Ose et al.
Giray Guenes
Huthmacher Klaus
Kleemann Axel
Lied Thomas
Degussa - AG
Shippen Michael L.
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