2-Alkyne-l,4-diols

WHITING Diene synthesis Diene synthesis from 2-alkyne-l, 4-diols with LAH. 

Alkyl N-tresylarylsulfonimides, 578 N-Alkyl-N-triflylarylsulfonimides, 578 d-Alkyl-a,(3-unsaturated ketones, 344 2-Alkyne-l,4-diols, 609... 

Startg. 2-alkyne-l,4-diol and triethyl orthoacetate heated 72 hrs. under Ng at 140-150° in the presence of a catalytic amount of pivalic acid with removal of the volatiles through a variable-takeoff distillation head product. Y 78%. F. e. s. G. Bennett, Chem. Lett. 1975, 939. 

---