Sodium Cyanoborohydride

Hutchins, Robert O.; Hutchins, MaryGail K.; Crawley, Matthew L.

doi:10.1002/9780470842898.rs059.pub2

Encyclopedia of Reagents for Organic Synthesis 2007

DOI: 10.1002/9780470842898.rs059.pub2

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Sodium Cyanoborohydride

Robert O. Hutchins

MaryGail K. Hutchins²,

Matthew L. Crawley³

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2018

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Cited by 1 publication

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A General Stereoselective Approach to 1,2,4-Triazepane-3-thiones/ones via Reduction or Reductive Alkylation of 2,4,5,6-Tetrahydro-3H-1,2,4-triazepine-3-thiones/ones

Fesenko

Шуталев

2018

22nd International Electronic Conference on Synthetic Organic Chemistry

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A general stereoselective approach to previously unknown 1,2,4-triazepane-3-thiones/ones based on reduction or reductive alkylation of readily available 2,4,5,6-tetrahydro-3H-1,2,4-triazepine- 3-thiones/ones has been developed. The approach involved treatment of tetrahydrotriazepines with sodium cyanoborohydride in MeOH at pH 3 or with sodium borohydride and excess of carboxylic acid in tetrahydrofuran to give 1-unsubstituted or 1-alkyl-substituted 1,2,4-triazepane-3- thiones/ones, respectively. The latter were also prepared by reaction of 1-unsubstituted 1,2,4- triazepane-3-thiones/ones with sodium cyanoborohydride and aldehyde in MeOH in the presence of AcOH.

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A General Stereoselective Approach to 1,2,4-Triazepane-3-thiones/ones via Reduction or Reductive Alkylation of 2,4,5,6-Tetrahydro-3H-1,2,4-triazepine-3-thiones/ones

Fesenko

Шуталев

2018

22nd International Electronic Conference on Synthetic Organic Chemistry

View full text Add to dashboard Cite

show abstract

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Sodium Cyanoborohydride

Cited by 1 publication

References 88 publications

A General Stereoselective Approach to 1,2,4-Triazepane-3-thiones/ones via Reduction or Reductive Alkylation of 2,4,5,6-Tetrahydro-3H-1,2,4-triazepine-3-thiones/ones

A General Stereoselective Approach to 1,2,4-Triazepane-3-thiones/ones via Reduction or Reductive Alkylation of 2,4,5,6-Tetrahydro-3H-1,2,4-triazepine-3-thiones/ones

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