- 3-(P-BROMOBENZOYL)-1,3-THIAZOLIDINE-2-THIONE
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C10H8BrNOS2, orthorombic, Pbca, a = 7.166 (4), b = 14.716 (9), c = 21.507 (12) Angstroem (λ = 1.5418 Angstroem), U = 2268 Angstroem3, Z = 8, Dx = 1.77 Mg m-3 = Dm (flotation in C2H5I/toluene), F(000) = 1200, μ(C
- Bryan, R. F.,Hartley, P.,Peckler, S.,Fujita, E.,Nagao, Y.,Seno, K.
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- TFFH as an excellent reagent for acylation of alcohols, thiols and dithiocarbamates
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A convenient and easy procedure to synthesize esters and thioesters from the corresponding carboxylic acid using TFFH as the coupling reagent is described. The preparation of N-acyl-dithiocarbamates from carboxylic acids and 1,3-thiazolidine-2-thione with TFFH as the coupling reagent is also described.
- Pittelkow, Michael,Kamounah, Fadhil S.,Boas, Ulrik,Pedersen, Brian,Christensen, Jorn B.
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p. 2485 - 2492
(2007/10/03)
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- Utilisation of Sulphur-containing Leaving Groups. Part 2. Monitored Reduction of Carboxylic Acids into Alcohols or Aldehydes via 3-Acylthiazolidine-2-thiones by Sodium Borohydride or Di-isobutylaluminium Hydride
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3-Acylthiazolidine-2-thiones (2) have been prepared by three methods, and treated with di-isobutylaluminium hydride or sodium borohydride to give aldehyde or alcohol in high yield, respectively.The original yellow colour disappears when reduction is finished, enabling the reaction to be monitored.The high reactivity of the carbonyl group in amide (2) was briefly discussed.
- Nagao, Yoshimitsu,Kawabata, Kohji,Seno, Kaoru,Fujita, Eiichi
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p. 2470 - 2473
(2007/10/02)
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