References
- 7-(R-Substituted)-4-oxothieno[2,3-b][1]benzothiapyrans. Neth Appl 6, 411, 477 (Cl, C 07d). April 9, 1965, Swiss Appl Oct 8, 1963 and July 29, 1964. Sandoz Ltd
- Majumdar , K.C. , Khan , A.T. and Saha , S. 1991 . Facile regioselective alkylative cyclisation: synthesis of 2-methyl-4H-thieno[2,3-b][1]benzothiopyran-4-one and thiopyrano[2,3-b]benzothiopyran-5(4H)-one . Syn. Lett. , : 595
- Majumdar , K.C. , Khan , A.T. and Saha , S. 1992 . Regioselective synthesis of 4-aryloxymethyl thiopyrano[2,3-b]benzopyran-5(2H)-ones . Synth. Commun. , 22 : 901
- Majumdar , K.C. , Saha , S. and Khan , A.T. 1994 . Facile alkylative cyclisation: regioselectivity in the synthesis of thieno[2,3-b]benzothiopyran-5(4H)-one . Indian J. Chem. , 33 : 216
- Majumdar , K.C. and Roy , B. Studies in sigmatropic rearrangement: thermal rearrangement of 3-prop-2-ynyloxybenzothiapyran-4-ones . Synth. Commun. , in press
- Majumdar , K.C. , Roy , B. and Biswas , P. Thiochromenone-annelated heterocycles regioselective synthesis of furo[3,2-b]thiochromen-9-ones . Monatsh. Chem. , in press
- Majumdar , K.C. and Roy , B. Studies in sigmatropic rearrangement: thermal rearrangement of 3-(4′-aryloxybut-2-ynyloxy)thiochromen-4-ones . J. Chem. Res. (S). , in press
- Hegedus , L.S. , Allen , G.F. and Waterman , E.L. 1976 . Palladium-assisted intramolecular amination of olefins. A new synthesis of indoles. J. Amer . Chem. Soc. , 98 : 2674 – 2676 .
- Hegedus , L.S. , Allen , G.F. , Bozell , J.J. and Waterman , E.L. 1978 . Palladium-assisted intramolecular amination of olefins. Synthesis of nitrogen heterocycles . J. Amer. Chem. Soc. , 100 : 5800 – 5807 .
- Jagadish Kumar , R. , David Krupadanam , G.L. and Srimannarayana , G. 1990 . A new approach to the synthesis of 2-methyl-4H-furo[3,2-c][1]benzopyran-4-ones and 2H,5H-[3,2-c][1]benzopyran-5-ones. . Synthesis , : 535 – 538 .
- Majumdar , K.C. and Kundu , A.K. 1993 . Pyridine hydrotribromide mediated regioselective cyclization of ortho-cyclohexenyl phenols . Ind. J. Chem. , 32B : 605
- Majumdar , K.C. and Kundu , A.K. 1995 . Pyridine hydrobromide perbromide mediated regioselective heterocyclization of ortho-cyclohexenyl phenols . Can. J. Chem. , 73 : 1727
- Hurd , C.D. and Hoffman , W.A. 1940 . Directed ring closure in the synthesis of chromans and coumarans from o-allylphenols . J. Org. Chem. , 5 : 212 – 222 .
- Frater , Gy. and Schmid , H. 1967 . Uber die photochemische cyclisierung von 2-allylphenolen . Helv. Chim. Acta , 50 : 255 – 262 .