
Journal fur Praktische Chemie - Chemiker-Zeitung p. 147 - 150 (1992)
Update date:2022-07-29
Topics:
Weissenfels, M.
Pulst, M.
Greif, D.
Benzene derivatives useful as C3S-building blocks for the synthesis of 2H-benzothiopyrans are not easily available.The synthesis starting with 2-chloro-benzaldehyde via 2-chloro-5-nitro-benzaldehyde to 2-mercapto-5-nitro-benzaldehyde-tert-butylimin 1b
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