TY - JOUR AU - A. I. Konovalov TI - Steric hindrances in the dienesynthesis of cyclopentadiene with dienophiles of the isopropenyl type JO - Doklady Akademii Nauk PY - 1963 SP - 1334 EP - 1336 VL - 149 IS - 6 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DAN_1963_149_6_a24/ LA - ru ID - DAN_1963_149_6_a24 ER -