*ZUR KENNTNIS DER TRITERPENE .144. ZUR KONSTITUTION DES ASCIGENINS

[11] Polyterpene and polyterpenoid CVIII The synthesis of trimethyl-naphtol originating from the dehydration of pentacyclic triterpene [J]. HELVETICA CHIMICA ACTA, 1936, 19 : 1391 - 1402

[12] *ZUR KENNTNIS DER TRITERPENE .145. UBER DIE SPALTUNG DES OXYD-RINGES IM ASCIGENIN [J]. HELVETICA CHIMICA ACTA, 1949, 32 (06) : 2069 - 2082

[13] Polyterpenes and polyterpenoids CXXI. Gross formula and dehydration of lupeols [J]. HELVETICA CHIMICA ACTA, 1937, 20 : 1564 - 1570

[14] RUZICKA L, 1929, Z PHYSL CH, V184, P75

[15] RUZICKA L, 1932, HELV CHIM A, V15, P455

[16] SWIETOSLAWSKI W, 1927, B SOC CHIM FR, V41, P717

[17] WINTERSTEIN A, 1931, Z PHYSL CH, V199, P34

[18] WINTERSTEIN A, 1931, Z PHYSL CH, V199, P27

[11] Polyterpene and polyterpenoid CVIII The synthesis of trimethyl-naphtol originating from the dehydration of pentacyclic triterpene [J]. HELVETICA CHIMICA ACTA, 1936, 19 : 1391 - 1402

[12] *ZUR KENNTNIS DER TRITERPENE .145. UBER DIE SPALTUNG DES OXYD-RINGES IM ASCIGENIN [J]. HELVETICA CHIMICA ACTA, 1949, 32 (06) : 2069 - 2082

[13] Polyterpenes and polyterpenoids CXXI. Gross formula and dehydration of lupeols [J]. HELVETICA CHIMICA ACTA, 1937, 20 : 1564 - 1570

[14] RUZICKA L, 1929, Z PHYSL CH, V184, P75

[15] RUZICKA L, 1932, HELV CHIM A, V15, P455

[16] SWIETOSLAWSKI W, 1927, B SOC CHIM FR, V41, P717

[17] WINTERSTEIN A, 1931, Z PHYSL CH, V199, P34

[18] WINTERSTEIN A, 1931, Z PHYSL CH, V199, P27