348 BULETINUL SOCIETĂŢII DE SCIINŢE 



^. A chaine lincaire, arborescen/s non saturee. 



a) S i m p le s. 



CH=CH 3 1 /CH 2 -GH=CH, 1 



C.H,.— OH 3 C 6 H 3 ^-OH • 3 



\OH 4 \OH 4 



Phene— ethenyl, diol 3. 4 Phene— propene l 2 -yl, diol 3. 4 



(et comme ether methylique en 4=hesperetol) (et comme ether methylique en 3 =eugenol^. 



/CH==CH— CH 3 ' * CH==CH— CH 3 



C.H,(-OH C fi H<. 



\OH (OH) 4 



Phene — propenyl (l,)-diol 3. 5 Pliene — propenyl (l])-tetrol 2. 3. 4. 5. 



(Existe comriie ether monoinethylique 3=Isoeugenol). 



b) C o mp o s e s. 



CH 3 



I 

 /CH=CH a 



C a H 8 f-OH 

 \©H 



Phene— metho ethenyl-diol 2. 4. 



5. A chaine s mixtes. 

 C 6 H 5 -C 6 H 4 — OH C 6 H 5 — CH 2 — C 6 H 5 — OH 



Biphenyl— ol 3. Methane— diphenyl-ol 2' 



et 4. . et 4' 



C 6 H 5 — CH — CH 2 — C fi H 4 — OH CH (G 6 H 4 — OH) 3 



Ethane— diphenyl 1. 2-ol 4'. Methane — triphenyl-triol 4. 4'. 4"=Leucaiirine. 



C C H 4 — OH 

 l 

 CH, 



I 

 HO— C 6 H 4 — C e H 4 -OH QH 4 — OH 



Biphenyl — diol 2. 2'. Methane — diphenyl-diol 4. 4'. 



et 3. ?.'. 

 4. 4'. 



QH 6 — CH=CH- C (! H 4 — OH HO— C 6 H 4 — CH=CH— C 6 H 4 - OH 



122' 



Ethene— diphenyl 1. 2-diol 4'. 4". 



Ethene — diphenyl 1. 2-ol 2'. et 3'. 3". 



et 3'. » 2'. 2". 



HO— C 6 H 4 — CeeeC— QH 4 -OH 



fithine — diphenyl-diol 4'. 4". 



