Lac sulfur on alumina-triethanolamine - An effective reagent for the synthesis of substituted guanidines

Tetrahedron Letters

Volumn 37, Issue 29, 1996, Pages 5161-5162

  Ramadas, Krishnamurthy ^a  

^a Spic Science Foundation India   (India)

Author keywords

[No Author keywords available]

Indexed keywords

ALUMINUM OXIDE; GUANIDINE DERIVATIVE; REAGENT; SULFUR; THIOUREA; TRIETHANOLAMINE;

ARTICLE; CHEMICAL REACTION; CHEMICAL STRUCTURE; REACTION ANALYSIS; REACTION TIME; STRUCTURE ANALYSIS; SYNTHESIS;

EID: 0030586105     PISSN: 00404039     EISSN: None     Source Type: Journal    
DOI: 10.1016/0040-4039(96)01024-6     Document Type: Article

References (6)

1. 1. Ramadas. K., Srinivasan. N., and Janarthanan, N., Tetrahedron Lett., 1993, 34, 6447.
2. 2 A stirred mixture of alumina (15g), lac sulfur (15g) in dry benzene (30ml) is heated under reflux for 30min before stripping the solvent under vacuum to leave a free flowing solid.
3. 3. Ramadas. K and Janarthanan, N., Unpublished results
4. 4. Benac, B.L., Burgess, E.M., and Arduengo , A.J., Organic Syntheses, 1986, 64, 93. & Organic Syntheses Coll Vol,7, 1990, 195.
5. 4. Benac, B.L., Burgess, E.M., and Arduengo , A.J., Organic Syntheses, 1986, 64, 93. & Organic Syntheses Coll Vol,7, 1990, 195.
6. 5. Ramadas, K., and Srinivasan., N., Tetrahedron Lett., 1995, 36, 2841 and references therein..