N-alkylpyrrolidone solvents for preparation of aromatic thiols

Details N-alkylpyrrolidone solvents for preparation of aromatic thiols N-alkylpyrrolidone solvents for preparation of aromatic thiols

1990-01-31

1990-12-18

Ceperley, Mary E.

Organic compounds -- part of the class 532-570 series

Organic compounds

Sulfur containing

C07C31902

Patent

active

049787969

ABSTRACT:
A process using N-alkylpyrrolidone solvents, such as N-methylpyrrolidone (NMP), for the preparation of aromatic thiols, from the reaction of aryl halides and alkali metal alkanethiolate. This process produces aromatic thiols in higher yields and purity.

REFERENCES:
patent: 3374274 (1968-03-01), Spainhour
patent: 3415889 (1968-12-01), Louthan
patent: 4209469 (1980-06-01), Thies et al.
Testaferri, L., "Simple Syntheses of Aryl Alkyl Thioethers and of Aromatic Thiols From Unactivated Aryl Halides and Efficient Methods for Selective Dealkylation of Aryl Alkyl Ethers and Thioethers", 1983, p. 752.
Maiolo, F., "Fragmentation of Aryl Alkyl Sulfides, A Simple, One--Pot Synthesis of Polymercaptobenzenes from Polychlorobenzenes", 1980, p. 3070.
Testaferri, L., "A Convenient Synthesis of Aromatic Thiols From Unactivated Aryl Halides", 1980, vol. 21, p. 3099.

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