Synthesis of 6‐methoxy‐2,2‐dimethyl‐2 H ‐1‐benzothiopyran and 6,7‐dimethoxy‐2,2‐dimethyl‐2 H ‐1‐benzothiopyran, sulfur analogues of precocene I and precocene II | Zendy

Camps F. | Zendy; Colomina O. | Zendy; Coll J. | Zendy; Messeguer A. | Zendy

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Synthesis of 6‐methoxy‐2,2‐dimethyl‐2 H ‐1‐benzothiopyran and 6,7‐dimethoxy‐2,2‐dimethyl‐2 H ‐1‐benzothiopyran, sulfur analogues of precocene I and precocene II

Author(s) -

Camps F.,

Colomina O.,

Coll J.,

Messeguer A.

Publication year - 1983

Publication title -

journal of heterocyclic chemistry

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.321

H-Index - 59

eISSN - 1943-5193

pISSN - 0022-152X

DOI - 10.1002/jhet.5570200456

Subject(s) - chemistry , thiophenol , sulfur , organic chemistry , dehydration , combinatorial chemistry , medicinal chemistry , biochemistry

Preparation of title compounds 5 , sulfur analogues of the natural insect antijuvenile hormones precocene I and II, is described. The synthetic pathway involves conversion of the appropriate thiophenol 2 into the corresponding thiochroman‐4‐one 4 followed by reduction and dehydration. The 13 C nmr data for all the above products are also reported.

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