116
3. Benzenoids
TABLE 3.1—continued
Text
mp
no.
Name
(in degrees)
Reference
17
2,3,6,7-Tetrahydroxynaphthazarin
> 350
Smith and Thomson
(spinochrome E)
(1960)
18
2,3,7-Trihydroxyjuglone
> 260
Kuroda and Iwakura
(spinochrome Ν, B)
(dec)
(1942)
20
3-Acetyl-2,7-dihydroxynaphthazarin
192-193
Chang et al. (1964b)
(spinochrome A)
24
2,3,6-Trihydroxynaphthazarin
285-290
Kuroda and Ohshima
(spinochrome D)
(subl.)
(1940)
40
2-Hydroxynaphthazarin
200-210
Moore et al. (1966a)
(naphthopurpurin)
(subl.)
41
2,7-Dihydroxynaphthazarin
265-275
Moore et al. (1966a)
(mompain)
(subl.)
42
2-Hydroxy-3-acetylnaphthazarin
163-164
Moore et al. (1966a)
(dec)
43
2-Hydroxy-6-acetylnaphthazarin
179-180
Moore et al. (1966a)
(dec)
44
2-Hydroxy-6-ethylnaphthazarin
204-204.5
Moore et al. (1966a)
45
2-Hydroxy-3-ethylnaphthazarin
185-186
Singh et al. (1967)
46
2,7-Dihydroxy-3-ethylnaphthazarin
190-192
Moore et al. (1966a)
47
2-Methyl-8-hydroxy-2//-pyrano165-172
Moore et al. (1968)
[3,2-#]naphthazarin
48
Ethylidene-3,3'-bis(2,6,7-tri155-157
Mathieson and Thomson
hydroxynaphthazarin)
(1971)
49
Anhydroethylidene-3,3'-bis(2,6,7253-256
Mathieson and Thomson
trihydroxynaphthazarin)
(1971)
50
2-Methoxy-3,6,7-trihydroxy218
Mukai (1958)
naphthazarin (namakochrome)
51
2,6-Dihydroxy-3,7-dimethoxy252-254
Singh et al. (1967)
naphthazarin
(dec)
52
2,7-Dihydroxy-3,6-dimethoxy218-219
Singh et al. (1967)
naphthazarin
53
2-Hydroxy-3-acetyl-7-methoxy246-248
Singh et al. (1967)
naphthazarin
54
2-Methoxy-3,7-dihydroxy-6202-204
Mathieson and Thomson
ethylnaphthazarin
(1971)
55
3-Methoxy-2,7-dihydroxy-6179-184
Mathieson and Thomson
ethylnaphthazarin
(1971)
56
2-Hydroxy-6-ethyljuglone
219-220
Moore et al. (1966a)
57
2,3,7-Trihydroxy-6-ethyljuglone
265-269
Moore et al. (1966a)
(dec, subl.)
58
2,6,7-Trihydroxy-3-ethyljuglone
220-226
Singh et a/. (1967)
59
2,6,7-Trihydroxy-3-acetyljuglone
275-280
Gough and Sutherland
(dec)
(1967)
{continued)