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Volumn 35, Issue 11, 1994, Pages 1719-1722

A new radical based synthesis of lactams and indolones from dithiocarbonates (xanthates)

Author keywords

[No Author keywords available]

Indexed keywords

INDOLE DERIVATIVE; LACTAM DERIVATIVE;

ARTICLE; DRUG SYNTHESIS; REACTION ANALYSIS;

EID: 0028314798 PISSN: 00404039 EISSN: None Source Type: Journal
DOI: 10.1016/0040-4039(94)88328-9 Document Type: Article

Times cited : (66)

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- Typical experimental procedure: A degassed solution of starting xanthate (1 mmole) and di-t-butyl peroxide (ca 0.05 mmole) in chlorobenzene (5ml) was heated to reflux until thin layer chromatograghic analysis indicated essentially complete reaction (from several hours for lactams to 2–3 days for some indolones; in the case of the latter, a fresh batch of initiator was added every few hours). The reaction mixture was then concentrated and the residue purified by flash chromatography.

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