Patent ID: 9382262
Filing Date: 2016-07-05
CPC Classification: C07D,C07F,Y02P

Claim Text:
1. A compound having the formula: wherein X is halogen or oxo; Q is —C(O)H, —CH═CHC(O)OY 1 , —C(R)H(CH 2 ) n OY 1 , or —C(R)HCH 2 C(O)OY 1 ; R is H or —OY 2 ; n is 1 or 2; Y 1 , Y 2 , Y 3 , and Y 4 are each independently H or a hydroxyl protecting group; T is oxo or —OY 5 ; and Y 5 is H or a hydroxyl protecting group, or Y 5 , together with the oxygen atom to which it is bound, is a leaving group, wherein each of Y 3 and Y 4 is, independently and together with the oxygen atom to which it is bound, an ester, carbonate, carbamate, sulfonate, or ether hydroxyl protecting group; Y 3 and Y 4 together with the oxygen atoms to which they are bound are a cyclic carbonate, cyclic boronate, or cyclic silylene hydroxyl protecting group, or Y 3 and Y 4 together are acetal, ketal, or 1,1,3,3-tetraisopropylsiloxanediyl.