Organic compounds -- part of the class 532-570 series – Organic compounds – Azo
Patent
1984-02-08
1985-10-08
Warren, Charles F.
Organic compounds -- part of the class 532-570 series
Organic compounds
Azo
534886, 548356, 548358, C07C10702
Patent
active
045461740
ABSTRACT:
There is described a process for the production of a compound of formula I, ##STR1## in which at least one each of R.sub.1, R.sub.2 and R.sub.3, and of R.sub.4, R.sub.5 and R.sub.6, represents an electron withdrawing group, or one of R.sub.1, R.sub.2 and R.sub.3 together with one of R.sub.4, R.sub.5 and R.sub.6 form a --CO-- group, and the remainder of R.sub.1, R.sub.2, R.sub.3, R.sub.4, R.sub.5 and R.sub.6, which may be the same or different, each represent an electron withdrawing group, alkyl, cycloalkyl, phenyl or phenylalkyl,
REFERENCES:
patent: 2711405 (1955-06-01), Anderson
patent: 2713526 (1955-06-01), DeBenneirlle
patent: 3346554 (1967-10-01), Fuchs
patent: 4028345 (1977-06-01), Moore, Jr.
patent: 4051124 (1977-09-01), Moore, Jr.
patent: 4272435 (1981-06-01), Matsuda et al.
Miller et al., Sidgwick's "The Organic Chemistry of Nitrogen", Clarendon Press: Oxford (1966), pp. 127-128.
Pollard Michael D.
Smythe Stephen R.
Whitmore Martyn W.
FBC Limited
Warren Charles F.
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