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1-Substituted β-Carbolines by a Pictet−Spengler Cyclization with Thioortho Esters and Carbon−Carbon Bond Formation via N -Sulfonyl Iminium Ions Generated from N,S -Sulfonyl Acetals

✍ Scribed by Silveira, Claudio C.; Felix, Luciana A.; Braga, Antonio L.; Kaufman, Teodoro S.

Book ID: 126094924
Publisher: American Chemical Society
Year: 2005
Tongue: English
Weight: 71 KB
Volume: 7
Category: Article
ISSN: 1523-7060
DOI: 10.1021/ol051342i

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📜 SIMILAR VOLUMES

1-Substituted β-Carbolines by a Pictet—S

1-Substituted β-Carbolines by a Pictet—Spengler Cyclization with Thioortho Esters and Carbon—Carbon Bond Formation via N-Sulfonyl Iminium Ions Generated from N,S-Sulfonyl Acetals.

✍ Claudio C. Silveira; Luciana A. Felix; Antonio L. Braga; Teodore S. Kaufman 📂 Article 📅 2006 🏛 John Wiley and Sons ⚖ 33 KB

## Abstract For Abstract see ChemInform Abstract in Full Text.

Thioorthoesters in the activated Pictet–

Thioorthoesters in the activated Pictet–Spengler cyclization. Synthesis of 1-thiosubstituted tetrahydroisoquinolines and carboncarbon bond formation via sulfonyl iminium ions generated from N,S-sulfonyl acetals

✍ Claudio C Silveira; Carmem R Bernardi; Antonio L Braga; Teodoro S Kaufman 📂 Article 📅 2003 🏛 Elsevier Science 🌐 French ⚖ 119 KB

The elaboration of 1-alkylthio-and 1-arylthio-tetrahydroisoquinolines by means of the activated Pictet-Spengler reaction of N-sulfonyl-b-phenethylamines with thioorthoesters as electrophiles, and their use as sulfonyl iminium ion precursors for carbon carbon bond formation, leading to 1-substituted

Thioorthoesters in the Activated Pictet—

Thioorthoesters in the Activated Pictet—Spengler Cyclization. Synthesis of 1-Thiosubstituted Tetrahydroisoquinolines and Carbon—Carbon Bond Formation via Sulfonyl Iminium Ions Generated from N,S-Sulfonyl Acetals.

✍ Claudio C. Silveira; Carmen R. Bernardi; Antonio L. Braga; Teodoro S. Kaufman 📂 Article 📅 2003 🏛 John Wiley and Sons ⚖ 166 KB