4-Methoxy-2,3,6-trimethylbenzenesulfonyl chloride

Details 4-Methoxy-2,3,6-trimethylbenzenesulfonyl chloride 4-Methoxy-2,3,6-trimethylbenzenesulfonyl chloride

1982-09-21

1984-12-11

Trousof, Natalie

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

C07C14370

Patent

active

044877269

ABSTRACT:
A guanidino group in an amino acid or a peptide can be protected with a specific group, i.e. pentamethylbenzenesulfonyl, 2,4,6-trimethoxybenzenesulfonyl, 4-methoxy-2,3,5,6-tetramethylbenzenesulfonyl, 4-methoxy-2,6-dimethylbenzenesulfonyl or 4-methoxy-2,3,6-trimethylbenzenesulfonyl, and said group may easily be removed without affecting the amino acid or the peptide to be derived from the protected amino acid or peptide. Thus, the present invention is useful in the synthesis of peptides containing the guanidino group.

REFERENCES:
patent: 3453099 (1969-07-01), Popoff et al.
Baliah, V. et al., J. Indian Chem. Soc., vol. 40, (1963), pp. 381-383.
Fujino, Masahiko et al., J.C.S. Chem. Comm., Aug. 19, 1980, pp. 668-669.

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