SOME OBSERVATIONS ON THE CONSTITUTION OF USNIC ACID

[1] ASAHINA, 1943, J PHARM SOC JAPAN, V63, P618

[2] Testings on the lichenic substances, LXXXIX. Announcement: The usnic acid (V. Announcement). [J]. BERICHTE DER DEUTSCHEN CHEMISCHEN GESELLSCHAFT, 1938, 71 : 2260 - 2269

[3] BERNER, 1949, ACTA CHEM SCAND, V3, P1117

[4] BRADLEY, 1952, J CHEM SOC, P2027

[5] CURD, 1937, J CHEM SOC, P894

[6] DEAN, 1952, SCI PROGR, V40, P635

[7] ULTRAVIOLET ABSORPTION SPECTRA OF DERIVATIVES OF USNIC ACID [J]. JOURNAL OF THE AMERICAN CHEMICAL SOCIETY, 1952, 74 (16) : 4067 - 4069

[8] MAYER, 1943, NATURAL COLOURING MA, P157

[9] SCHOPF C, 1941, LIEBIGS ANN CHEM, V546, P1

[10] TAKAHASHI, 1951, J PHARM SOC JAPAN, V71, P1083

[1] ASAHINA, 1943, J PHARM SOC JAPAN, V63, P618

[2] Testings on the lichenic substances, LXXXIX. Announcement: The usnic acid (V. Announcement). [J]. BERICHTE DER DEUTSCHEN CHEMISCHEN GESELLSCHAFT, 1938, 71 : 2260 - 2269

[3] BERNER, 1949, ACTA CHEM SCAND, V3, P1117

[4] BRADLEY, 1952, J CHEM SOC, P2027

[5] CURD, 1937, J CHEM SOC, P894

[6] DEAN, 1952, SCI PROGR, V40, P635

[7] ULTRAVIOLET ABSORPTION SPECTRA OF DERIVATIVES OF USNIC ACID [J]. JOURNAL OF THE AMERICAN CHEMICAL SOCIETY, 1952, 74 (16) : 4067 - 4069

[8] MAYER, 1943, NATURAL COLOURING MA, P157

[9] SCHOPF C, 1941, LIEBIGS ANN CHEM, V546, P1

[10] TAKAHASHI, 1951, J PHARM SOC JAPAN, V71, P1083