Low-valent titanium induced reductive cyclization of isothiocyanates to indole derivatives

Heterocycles

Volumn 45, Issue 12, 1997, Pages 2381-2384

  Li, Jing ^a   Shi, Da Qing ^a   Chen, Wei Xing ^a  

^a NANJING UNIVERSITY   (China)

Author keywords

[No Author keywords available]

Indexed keywords

EID: 0001276146     PISSN: 03855414     EISSN: None     Source Type: Journal    
DOI: 10.3987/com-97-7951     Document Type: Article

References (10)

1. D. Lenoir, Synthesis, 1989, 883;
2. J. E. McMurry, Chem. Rew., 1989, 89, 1513;
3. W.-x. Chen, Advances in Organic Synthesis, ed. by L. -x. Dai and Y. -I. Qian, Chemical Industry Press, Beijing, 1993, p. 469.
4. W. -x. Chen, J. -h. Zhang, M. -y. Hu, and X. -c. Wang, Synthesis, 1990, 701.
5. J.-x. Chen, D.-q. Shi, W.-y. Chai, J. Chen, W.-x. Chen, and T.-y. Kao. Chinese Chemical Letter 1993, 4, 943.
6. J. E. Hodgkin and W. P. Reeves, J. Org. Chem., 1964, 29, 3098
7. 1/c, a=13.991(1), b=5.748(1), c=21.569Å; β=90.619(8)°, Z=4.1619 reflection obtained, R=0.034,' Rω=0.040. Further details of the crystal structure investigation of 2a may be obtained from the Managing Editor, International Union of Crystallography, 5 Abbey Square, Chester CH1 2HU, England, on quoting the depository number: CF1106.
8. 2O.
9. 2O in the system, the peaks of the labile protons did not appear.
10. H. S. Fry, J. Am. Chem. Soc., 1913, 35, 1539.