A) 3, 4, 5
B) 3, 5
57. (v20/21-141-13) Gustavson reaksiyasi boyicha 1,1-dimetil siklobutan olish uchun qaysi moddalardan foydalanish mumkin?
1) 2,5-dixlor 2-metil pentan; 2) 2,5-dixlor geksan; 3) 1,4-dixlor 4-metil pentan;
4) 1,4-dixlor 3,3-dimetil butan; 5) 1,4-dixlor
2,2-dimetil butan.
A) 3, 4, 5 B) 3, 5 C) 1, 2 D)1,3, 5